77.140.25 弹簧钢 标准查询与下载

BS 4638:1970 Z形和方形弹簧用碳素钢丝规范

Requirements for patented cold drawn plain carbon steel round wire in three grades of tensile strength. Chemical composition, standard sizes and tolerances, methods of testing, mechanical properties and details of packing and identification.

Specification for carbon steel wire for zigzag and square-form springs

AS 2266:2002 床垫和座垫用碳素钢弹簧丝

Specifies requirements for carbon steel spring wire of round cross-section supplied in the hard-drawn condition, for the manufacture of coil springs (including helical lacing springs), square-formed springs and sinuous springs for bedding and seating used in the automotive, transport and furniture manufacturing industries.

Carbon steel spring wire for bedding and seating

AS 1447:2007 热轧弹簧钢

Specifies the requirements for hot-rolled carbon, carbon-chromium, nickel-chromium-molybdenum and silicon-manganese spring steels which are in either the as-rolled, annealed or normalized condition.

Hot-rolled spring steels