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Metal-to-Metal Coefficient of Friction
Metal-to-Metal Coefficient of Friction, Total:213 items.
In the international standard classification, Metal-to-Metal Coefficient of Friction involves: Welding, brazing and soldering, Products of the textile industry, Testing of metals, Mechanical structures for electronic equipment, Materials for aerospace construction, Cutting tools, Reinforced plastics, Powder metallurgy, Bearings, Road vehicle systems, Structures of buildings, Structure and structure elements, Mining equipment, Surface treatment and coating, Iron and steel products, Protection against fire, Paint coating processes, Air quality, Environmental testing, Corrosion of metals, Non-ferrous metals, Ferrous metals, Vocabularies, Linear and angular measurements, Chipless working equipment, Electrical wires and cables, Occupational safety. Industrial hygiene.
TR-TSE, Metal-to-Metal Coefficient of Friction
- TS 925-1971 FRICTION L?NINGS FOR CLUTCHES (METALLIC, SEMIMETALLIC AND METAL -CERAMIC)
Association of German Mechanical Engineers, Metal-to-Metal Coefficient of Friction
Professional Standard - Coal, Metal-to-Metal Coefficient of Friction
AWS - American Welding Society, Metal-to-Metal Coefficient of Friction
Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, Metal-to-Metal Coefficient of Friction
- GJB 5870-2006 Determination of coefficients of friction between vulcanized rubber and metal
Military Standard of the People's Republic of China-General Armament Department, Metal-to-Metal Coefficient of Friction
- GJB 8613-2015 Determination of friction coefficient between vulcanized rubber and metal
- GJB 948-1990 Test method for strain sensitivity coefficient of precious metals and their alloys
Professional Standard - Building Materials, Metal-to-Metal Coefficient of Friction
工业和信息化部, Metal-to-Metal Coefficient of Friction
Japanese Industrial Standards Committee (JISC), Metal-to-Metal Coefficient of Friction
- JIS Z 3607:2016 Friction welding of metallic materials
- JIS Z 3175:2016 Methods of test and classification of quality evaluations for friction welded joints on dissimilar metallic materials
- JIS Z 2253:2011 Metallic materials -- Sheet and strip -- Determination of tensile strain hardening exponent
- JIS C 8471-3-1:2017 Cable trunking and ducting systems for electrical installations -- Part 3-1: Metal raceway, Fitting for metal raceway and Box for metal raceway
Professional Standard - Ferrous Metallurgy, Metal-to-Metal Coefficient of Friction
- YB/T 4286-2012 Metallic material.Sheet and strip.Testing method for coefficient of friction
HU-MSZT, Metal-to-Metal Coefficient of Friction
Professional Standard - Electron, Metal-to-Metal Coefficient of Friction
- SJ 2608-1985 Metal friction-trunk shock and vibration isolators
Professional Standard - Aviation, Metal-to-Metal Coefficient of Friction
- HB 6131-1987 Metal Friction Damping Vibration Isolator
- HB 6132-1987 Technical conditions of metal friction damping vibration isolator
Association Francaise de Normalisation, Metal-to-Metal Coefficient of Friction
- NF EN ISO 15620:2019 Soudage - Soudage par friction des matériaux métalliques
- NF A89-601*NF EN ISO 15620:2019 Welding - Friction welding of metallic materials
- NF A89-601:2001 Welding - Friction welding of metallic materials.
- NF P22-461:1979 Metal construction. Jointing by means of bolts with controlled tightening. Determinaiton of the conventional coefficient of friction.
- NF T37-001-11*NF EN 13523-11:2019 Coil coated metals - Test methods - Part 11 : resistance to solvents (rubbing test)
- NF A03-155-4:2007 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 4 : test method for metallic and non-metallic coatings.
- NF A03-155-4*NF EN ISO 14577-4:2017 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 4 : test method for metallic and non-metallic coatings
- NF A81-306:1994 Covered electrodes. Determination of the efficiency, metal recovery and deposition coefficient.
- NF EN ISO 2401:2018 Électrodes enrobées - Détermination de l'efficacité, du rendement du métal et du coefficient de dépôt
Defense Logistics Agency, Metal-to-Metal Coefficient of Friction
British Standards Institution (BSI), Metal-to-Metal Coefficient of Friction
- BS EN ISO 15620:2000 Welding - Friction welding of metallic materials
- BS EN ISO 15620:2019 Tracked Changes. Welding. Friction welding of metallic materials
- BS ISO 22462:2020 Metallic and other inorganic coatings. Test method for the friction coefficient measurement of chemical conversion coatings
- 19/30362396 DC BS ISO 22462. Metallic and other inorganic coatings. Test methods of friction coefficient measurement of chemical conversion coatings
- BS EN 13523-11:2019 Coil coated metals - Test methods - Resistance to solvents (rubbing test)
- BS EN 13523-11:2004 Coil coated metals - Test methods - Resistance to solvents (rubbing test)
- BS EN 13523-11:2011 Coil coated metals. Test methods. Resistance to solvents (rubbing test)
- BS ISO 7148-1:2000 Plain bearings - Testing of tribological behaviour of bearing materials - Testing of bearing metals
- BS ISO 7148-1:2012 Plain bearings. Testing of the tribological behaviour of bearing materials. Testing of bearing metals
- BS EN ISO 14577-4:2007 Metallic materials. Instrumented indentation test for hardness and materials parameters. Test method for metallic and non-metallic coatings
- PD ISO PAS 22596:2022 Road vehicles. Brake lining friction materials. Dynamometer metal pick-up generation procedure for disc brakes
- BS EN 4341:2001 Aerospace series - Aluminium alloy AL-W46431 - Filler metal for welding - Wire and rod
- BS EN 4329:2001 Aerospace series - Heat resisting alloy NI-WH0001 (NiCr20) - Filler metal for welding - Wire and rod
- BS EN 4325:2001 Aerospace series - Heat resisting alloy NI-WH1302 (NiCr20Co13Mo4Ti3AI) - Filler metal for welding - Wire and rod
- BS EN 4342:2001 Aerospace series - Titanium TI-W99001 - Filler metal for welding - Wire and rod
- BS EN ISO 14577-4:2016 Tracked Changes. Metallic materials. Instrumented indentation test for hardness and materials parameters. Test method for metallic and non-metallic coatings
- BS EN 4327:2001 Aerospace series - Heat resisting alloy CO-WH1401 (CoCr26Ni11W8) - Filler metal for welding - Wire and rod
- BS EN 4337:2001 Aerospace series - Heat resisting alloy NI-WH8901 (NiCr16Ti3Mn2) - Filler metal for welding - Wire and rod
- BS EN 4338:2001 Aerospace series - Heat resisting alloy - NI-WH3902 (NiCr25Mo10C) - Filler metal for welding - Wire and rod
- BS EN 4339:2001 Aerospace series - Heat resisting alloy CO-WH4001 (CoCr29W9) - Filler metal for welding - Wire and rod
- BS EN 4326:2001 Aerospace series - Heat resisting alloy CO-WH4102 (CoCr28W20Ni5V1) - Filler metal for welding - Wire and rod
- 22/30406865 DC BS ISO 7148-1. Plain bearings. Testing of the tribological behaviour of bearing materials. Part 1. Testing of bearing metals
- BS EN 4344:2001 Aerospace series - Steel FE-WM1002 (X13Cr13) - Filler metal for welding - Wire and rod
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Metal-to-Metal Coefficient of Friction
- GB/T 13826-2008 Wet type(non-metallic)friction materials
- GB/T 13826-1992 Wet type(non-matallic) friction materials
- GB/T 10421-2002 Sintered metal friction materials--Determination of density
- GB/T 10424-2002 Sintered metal friction materials--Determination of compressive strength
- GB/T 10425-2002 Sintered metal friction materials--Determination of apparent hardness
- GB/T 10430-2008 Inspection method for bonding ability of sintered friction elements
- GB/T 10423-2002 Sintered metal friction materials--Determination of tensile strength
- GB/T 10430-1989 Standard test method for binding strength of sintered metal friction elements
- GB/T 10422-2002 Sintered metal friction materials--Determination of transverse ruptue strength
- GB/T 13813-2001 Testing method and judging rule of safety to friction spark of metallic material for coal mine
- GB/T 13813-2023 Safety test method and judgment rules for friction sparks of metal materials used in coal mines
- GB/T 13813-2008 Testing method and judging rule of safety to friction spark of metallic material for coal mine
- GB/T 3651-2008 Measuring method for thermal conductivity of metal at high temperature
- GB/T 351-1995 Metallic materials--Resistivity measurement method
- GB/T 3651-1983 Measuring method for thermal conductivity of metal at high temperature
- GB/T 1424-1996 Method of measurement of resistivity of precious metals and their alloys
- GB/T 21838.4-2008 Metallic materials.Instrumented indentation test for hardness and materials Parameters.Part 4:Test method for metallic and non-metallic coatings
American Welding Society (AWS), Metal-to-Metal Coefficient of Friction
Danish Standards Foundation, Metal-to-Metal Coefficient of Friction
- DS/EN ISO 15620:2000 Welding - Friction welding of metallic materials
- DS/EN 13523-11:2011 Coil coated metals - Test methods - Part 11: Resistance to solvents (rubbing test)
- DS/EN ISO 14577-4:2007 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 4: Test method for metallic and non-metallic coatings
American National Standards Institute (ANSI), Metal-to-Metal Coefficient of Friction
Professional Standard - Machinery, Metal-to-Metal Coefficient of Friction
- JB/T 9137-2015 Sintered metal friction materials.Metallographic method
- JB/T 7268-2007 Sintered metal frication materials run in lubricants.Determination of fricational characteristics
- JB/T 7269-2007 Sintered metal frication materials run without lubricants.Determination of fricational characteristics
- JB/T 7268-1994 Test method for friction performance of wet sintered metal friction materials
- JB/T 7269-1994 Test method for friction performance of dry sintered metal friction materials
- JB/T 3063-2011 Specifications for sintered metal friction materials
- JB/T 3063-1996 Technical conditions for sintered metal friction materials
- JB/T 7909-2011 Bench test method for frictional characteristics of sintered metal friction material run in lubricants
- JB/T 6650-1993 Sintered metal friction disc and dual disc for braking of plane
- JB/T 58800-1999 Quality grading of sintered metal friction pads and counter discs for aircraft brakes
Taiwan Provincial Standard of the People's Republic of China, Metal-to-Metal Coefficient of Friction
- CNS 8556-1982 Plain Bearings the Tribological Behaviour of Metallic Antifriction Materials Siginificant Terms
RO-ASRO, Metal-to-Metal Coefficient of Friction
- STAS 12877-1990 Mechanical drives. Determination method of friction coefficient and wear speed of metallic materials
- STAS SR EN 22401-1996 Covered electrodes. Determination of the efficiency, metal recovery and deposition coefficient
(U.S.) Ford Automotive Standards, Metal-to-Metal Coefficient of Friction
German Institute for Standardization, Metal-to-Metal Coefficient of Friction
- DIN EN ISO 15620:2019 Welding - Friction welding of metallic materials (ISO 15620:2000); German version EN ISO 15620:2000
- DIN EN ISO 15620:2000 Welding - Friction welding of metallic materials (ISO 15620:2000); German version EN ISO 15620:2000
- DIN EN ISO 15620:2019-09 Welding - Friction welding of metallic materials (ISO 15620:2019); German version EN ISO 15620:2019
- DIN 50282:2019-06 Plain bearings - Tribological behaviour of metallic antifriction materials - Significant terms
- DIN 50282:1979 Plain Bearings; The Tribological Behaviour of Metallic Antifriction Materials; Significant Definitions
- DIN EN 13523-11:2018 Coil coated metals - Test methods - Part 11: Resistance to solvents (rubbing test); German and English version prEN 13523-11:2018
- DIN EN 13523-11:2019 Coil coated metals - Test methods - Part 11: Resistance to solvents (rubbing test)
- DIN EN 13523-11:2019-12 Coil coated metals - Test methods - Part 11: Resistance to solvents (rubbing test); German version EN 13523-11:2019
- DIN ISO 7148-1:2001 Plain bearings - Testing of the tribological behaviour of bearing materials - Part 1: Testing of bearing metals (ISO 7148-1:1999)
- DIN ISO 7148-1:2014 Plain bearings - Testing of the tribological behaviour of bearing materials - Part 1: Testing of bearing metals (ISO 7148-1:2012)
- DIN ISO 7148-1:2014-07 Plain bearings - Testing of the tribological behaviour of bearing materials - Part 1: Testing of bearing metals (ISO 7148-1:2012)
- DIN EN 13523-11:2011 Coil coated metals - Test methods - Part 11: Resistance to solvents (rubbing test); German version EN 13523-11:2011
- DIN EN ISO 14577-4:2017-04 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 4: Test method for metallic and non-metallic coatings (ISO 14577-4:2016); German version EN ISO 14577-4:2016
- DIN EN ISO 14577-4:2007 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 4: Test method for metallic and non-metallic coatings (ISO 14577-4:2007); English version of DIN EN ISO 14577-4:2007-08
- DIN 24540-2:1986-03 Rod and tube-presses for non-ferrous metals and their tools; application "light metals"; sizes, tools, correlation
International Organization for Standardization (ISO), Metal-to-Metal Coefficient of Friction
- ISO 15620:2000 Welding - Friction welding of metallic materials
- ISO 15620:2019 Welding — Friction welding of metallic materials
- ISO 22462:2020 Metallic and other inorganic coatings — Test method for the friction coefficient measurement of chemical conversion coatings
- ISO/DIS 7148-1 Plain bearings — Testing of the tribological behaviour of bearing materials — Part 1: Testing of bearing metals
- ISO/PAS 22596:2022 Road vehicles — Brake lining friction materials — Dynamometer metal pick-up generation procedure for disc brakes
- ISO 14577-4:2007 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 4: Test method for metallic and non-metallic coatings
- ISO 14577-4:2016 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 4: Test method for metallic and non-metallic coatings
- ISO/DIS 7054:2023 Corrosion of metals and alloys - The wiping method for measurements of gases and particles on real structures and equipment
- ISO 2401:1972 Covered electrodes; Determination of the efficiency, metal recovery and deposition coefficient
- ISO 2401:2018 Welding consumables - Covered electrodes - Determination of the efficiency, metal recovery and deposition coefficient
国家市场监督管理总局、中国国家标准化管理委员会, Metal-to-Metal Coefficient of Friction
- GB/T 37208-2018 Nonmetallic paper based wet type frictional materials
- GB/T 37209-2018 Nonmetallic rubber base wet type frictional materials
- GB/T 35083.1-2018 Plain bearings—Testing of the tribological behaviour of bearing materials—Part 1: Testing of bearing metals
- GB/T 21838.4-2020 Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 4: Test method for metallic and non-metallic coatings
ES-UNE, Metal-to-Metal Coefficient of Friction
Korean Agency for Technology and Standards (KATS), Metal-to-Metal Coefficient of Friction
- KS K 0405-2010 Test method for kinetic friction of yarn:Yarn against steel
- KS B ISO 7148-1-2005(2010) Plain bearings-Testing of the tribological behaviour of bearing materials-Part 1:Testing of bearing metals
- KS D ISO 14577-4:2011 Metallic materials-Instrumented indentation test for hardness and materials parameters-Part 4:Test method for metallic and non-metallic coatings
- KS D ISO 14577-4-2011(2021) Metallic materials-Instrumented indentation test for hardness and materials parameters-Part 4:Test method for metallic and non-metallic coatings
- KS D ISO 14577-4-2011(2016) Metallic materials-Instrumented indentation test for hardness and materials parameters-Part 4:Test method for metallic and non-metallic coatings
- KS W 2017-2008 Surface treatments and inorganic coatings for metal surfaces of aircrafts systems
- KS W 2017-1983 Surface treatments and inorganic coatings for metal surfaces of aircrafts systems
Lithuanian Standards Office , Metal-to-Metal Coefficient of Friction
- LST EN ISO 15620:2002 Welding - Friction welding of metallic materials (ISO 15620:2000)
- LST EN 13523-11-2011 Coil coated metals - Test methods - Part 11: Resistance to solvents (rubbing test)
- LST EN ISO 14577-4:2007 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 4: Test method for metallic and non-metallic coatings (ISO 14577-4:2007)
Society of Automotive Engineers (SAE), Metal-to-Metal Coefficient of Friction
AENOR, Metal-to-Metal Coefficient of Friction
- UNE-EN ISO 15620:2001 Welding - Friction welding of metallic materials. (ISO 15620:2000)
- UNE-EN 13523-11:2012 Coil coated metals - Test methods - Part 11: Resistance to solvents (rubbing test)
- UNE-EN ISO 14577-4:2017 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 4: Test method for metallic and non-metallic coatings (ISO 14577-4:2016)
Professional Standard-Safe Production, Metal-to-Metal Coefficient of Friction
- AQ 2021-2008 Safety inspecting-testing specification of in-service friction mine hoist for metal and nonmetal mines
Group Standards of the People's Republic of China, Metal-to-Metal Coefficient of Friction
- T/CSTM 00646.1-2021 Metal materials-Friction and wear testing with a pin-on-disk apparatus - Part 1: Friction and wear testing at ambient temperature
- T/CSTM 00646.2-2021 Metal materials_—Friction and wear testing with a pin-on-disk apparatus — Part 2: Friction and wear testing at high-temperature
European Committee for Standardization (CEN), Metal-to-Metal Coefficient of Friction
- EN 13523-11:2011 Coil coated metals - Test methods - Part 11: Resistance to solvents (rubbing test)
- EN 4340:2002 Aerospace series - Magnesium alloy MG-W68001 - Filler metal for welding; Wire and rod
- EN 4325:2001 Aerospace series - Heat resisting alloy NI-WH1302 (NiCr20Co13Mo4Ti3Al) - Filler metal for welding; Wire and rod
- EN 4326:2001 Aerospace series - Heat resisting alloy CO-WH4102 (CoCr28W20Ni5V1) - Filler metal for welding; Wire and rod
- EN 4335:2002 Aerospace series - Steel FE-WA2602 (X4NiCrTiMoV26-15) - Filler metal for welding; Wire and rod
- EN 4330:2002 Aerospace series - Steel FE-WA4802 (X8CrNiMn27-22-2) - Filler metal for welding; Wire and rod
- EN 4331:2002 Aerospace series - Steel FE-WL1804 (25CrMnMo4-2-2) - Filler metal for welding; Wire and rod
- EN 4336:2002 Aerospace series - Steel FE-WA3801 (X4CrNiMn20-10-2) - Filler metal for welding; Wire and rod
- EN 4341:2001 Aerospace series - Aluminium alloy AL-W46431 - Filler metal for welding; Wire and rod
- EN ISO 14577-4:2016 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 4: Test method for metallic and non-metallic coatings
- EN 4327:2001 Aerospace series - Heat resisting alloy CO-WH1401 (CoCr26Ni11W8) - Filler metal for welding; Wire and rod
- EN 4338:2001 Aerospace series - Heat resisting alloy NI-WH3902 (NiCr25Mo10C) - Filler metal for welding; Wire and rod
- EN 4344:2001 Aerospace series - Steel FE-WM1002 (X13Cr13) - Filler metal for welding; Wire and rod
- EN 2243-2:2005 Aerospace series - Non-metallic materials - Structural adhesives - Test method - Part 2: Peel metal-metal
CEN - European Committee for Standardization, Metal-to-Metal Coefficient of Friction
- EN 13523-11:2004 Coil coated metals - Test methods - Part 11: Resistance to solvents (rubbing test)
- PREN 13523-11-2018 Coil coated metals - Test methods - Part 11: Resistance to solvents (rubbing test)
- EN ISO 14577-4:2007 Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 4: Test method for metallic and non-metallic coatings
- EN ISO 2401:2018 Welding consumables - Covered electrodes - Determination of the efficiency@ metal recovery and deposition coefficient
BR-ABNT, Metal-to-Metal Coefficient of Friction
RU-GOST R, Metal-to-Metal Coefficient of Friction
- PNST 33-2015 Tribological nanocomposite metallfereous coatings. Technical requirements and control methods
- GOST 28617-1990 Metallic and non-metallic inorganic coatings of bicycles, motor cycles, scooters, motorbicycles. General requirements and methods of control
- GOST 9.909-1986 Unified system of corrosion and ageing protection. Metals, alloys, metal and non-metal inorganic coatings. Test methods at climatic test stations
- GOST R 56467-2015 Space systems. Powder metal and metal composite materials. Classification. Nomenclature of indices
- GOST 9.306-1985 Unified system of corrosion and ageing protection. Metallic and non-metallic inorganic coatings. Symbols
- GOST R 59750-2021 Metal products from ferrous metals and alloys. Classification of characteristics and unified system of notation conventions
- GOST 9.302-1988 Unified system of corrosion and ageing protection. Metal and non-metal inorganic coatings. Control methods
- GOST 23401-1990 Metal powders. Catalysts and carriers. Determination of specific area
- GOST 9.301-1986 Unified system of corrosion and ageing protection. Metal and non-metal inorganic coatings. General requirements
- GOST 9.008-1982 Unified system of corrosion and ageing protection. Metal and non-metal inorganic coatings. Terms and definitions
- GOST 12.3.008-1975 Occupational safety standards system. Metal and non-metal inorganic coating. General safety requirements
GM North America, Metal-to-Metal Coefficient of Friction
- GM GM9509P-1995 Solvent Rub Method for Determining Cure of Painted Metal or Plastic Substrates
ZA-SANS, Metal-to-Metal Coefficient of Friction
- SANS 10275:2003 Metallic materials - Sheet and strip - Determination of tensile strain hardening exponent
American Society for Testing and Materials (ASTM), Metal-to-Metal Coefficient of Friction
- ASTM D7822-18 Standard Practice for Dermal Wipe Sampling for the Subsequent Determination of Metals and Metalloids
- ASTM D7822-13 Standard Practice for Dermal Wipe Sampling for the Subsequent Determination of Metals and Metalloids
- ASTM E1338-09(2015) Standard Guide for Identification of Metals and Alloys in Computerized Material Property Databases
- ASTM D8344-20 Standard Practice for Ammonium Bifluoride and Nitric Acid Digestion of Airborne Dust and Dust-Wipe Samples for the Determination of Metals and Metalloids
CZ-CSN, Metal-to-Metal Coefficient of Friction
Professional Standard - Aerospace, Metal-to-Metal Coefficient of Friction
- QJ 2197-1991 Test method for gas permeability coefficient of metals and their alloys
United States Navy, Metal-to-Metal Coefficient of Friction
- NAVY MIL-G-16265 F NOTICE 1-1998 GASKETS, METALLIC-FLEXIBLE GRAPHITE AND METALLIC ASBESTOS, SPIRAL WOUND (FOR NAVY FLANGED JOINTS IN PIPING SYSTEMS)
- NAVY MIL-G-16265 F-1993 GASKETS, METALLIC-FLEXIBLE GRAPHITE AND METALLIC ASBESTOS, SPIRAL WOUND (FOR NAVY FLANGED JOINTS IN PIPING SYSTEMS)
Aerospace Industries Association, Metal-to-Metal Coefficient of Friction
- AIA NAS 956-1963 Tube Bender - Numerical Control, Precision Aircraft Type for Thin Wall, Ferrous and Non- Ferrous Alloys
SAE - SAE International, Metal-to-Metal Coefficient of Friction
U.S. Military Regulations and Norms, Metal-to-Metal Coefficient of Friction
未注明发布机构, Metal-to-Metal Coefficient of Friction
- DIN EN 1856-2:2004 Exhaust systems – Requirements for metal exhaust systems – Part 2: Metal inner pipes and connectors
IN-BIS, Metal-to-Metal Coefficient of Friction
CU-NC, Metal-to-Metal Coefficient of Friction
- NC 12-04-25-1986 corrosion Protection Standards Systum. Metallic and Non-Metaliic Inorganic Coatings. Brightness Determination
Henan Provincial Standard of the People's Republic of China, Metal-to-Metal Coefficient of Friction
- DB41/ 770-2012 Specifications for daily inspection and periodic inspection of hoisting systems in metal and nonmetal mines