Chromium - vanadium steel wire rod, wire and springs - high duty ground wire - hardened and tempered - specification.
铬钒钢盘条金属丝和弹簧。高负荷地线。淬火和回火。规范。
2
The effect of hardening and tempering process on the organization and performance of high-strength and high-toughness non-hardened-andtemperedsteel of low carbon martensite is researched.