GB/T 35840.4-2020
Steels for plastic mould—Part 4: Pre-hardenging steel plate
- Standard No.
- GB/T 35840.4-2020
- Language
- Chinese
- Release Date
- 2020
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Lastest
- GB/T 35840.4-2020
- Scope
- This part of GB/T35840 specifies the terms and definitions, ordering content, dimensions, shape, weight, technical requirements, test methods, inspection rules, packaging, signs and quality certificates of pre-hardened plastic mold steel plates. This part applies to pre-hardened steel plates (hereinafter referred to as steel plates) with a thickness of 10 mm to 300 mm for the manufacture of plastic molds.
GB/T 35840.4-2020 Referenced Document
- GB/T 10561-2005 Steel.Determination of content of nonmetallic inclusions.Micrographic method using standards diagrams
- GB/T 17505 Steel and steel products.General technical delivery requirements
- GB/T 20066 Steel and iron.Sampling and preparation of samples for the determination of chemical composition
- GB/T 224 Determination of the depth of decarburization of steels
- GB/T 230 Metallic materials--Rockwell hardness test
- GB/T 247 General rule of package,mark and certification for steel plates(sheets)and strips
- GB/T 2970-2016 Method for ultrasonic testing of thicker steel plates
- GB/T 4336 Determination of multi-element content in carbon steel and medium and low alloy steel Spark discharge atomic emission spectrometry (conventional method) Amendment No. 1
- GB/T 6394 Determination of estimating the average grain size of metal
- GB/T 709-2019 Dimension,shape,weight and tolerance for hot-rolled steel strip,plate and sheet
- GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 35840.4-2020 history
- 2020 GB/T 35840.4-2020 Steels for plastic mould—Part 4: Pre-hardenging steel plate