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...mattress,wire rope, brush, cable 3. Standard: GB4357,DIN17223,JIS G 3521 , EN10270-1 Ungalvanized steel wire Spring steel wire Reinforced Steel Wire Phosphatized Steel Wire The Raw Material ( 60# 65# 62A 72A...
...mattress,wire rope, brush, cable 3. Standard: GB4357,DIN17223,JIS G 3521 , EN10270-1 Ungalvanized steel wire Spring steel wire Reinforced Steel Wire Phosphatized Steel Wire The Raw Material ( 60# 65# 62A 72A...
...Spring Steel Slowly heated to 740-770 ℃ and allow enough times, let the steel to be thoroughly heated, Then cool slowly in the furnace. The 5160 tool steel will get MAX 250 HB (Brinell hardness). ② Hardening...
... at 90 °/135 °, anti slip rubber particles+spring structure Product Description Hardware Type Manufacturer Modern 180 Degree Stainless Steel Bathroom Shower Room Glass Door Hinge Model Number TK-A073 Materia...
ZHONGNENG UNION GRADES COMPARISON FOR SPRING STEEL CHINA GB/T USA ASTM JAPAN JIS GERMANY DIN FRANCE NF BIRTAIN BS ISO KOREA KS ......