SPRING STEEL FOR HIGH-SPEED RAILWAY APPLICATION
steel cable pull rubber belt conveyer
40CrMnSiMoV spring steel
55CrSi oil-tempered spring steel wire
60Si2CrVAT spring steel
Alloy Spring Steel 60Si2CrVA
Alloy spring steel wires
ASTM A313 – 1987 Chromium – Nickel Stainless and Heat-resisting Steel Spring Wire – ASTM A313 – 1987
auxiliary release device for spring-brake actuator