1·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-and tempered steel of low carbon martensite is researched.
研究了淬火、回火工艺对低碳马氏体型高强度高韧性非调质钢的组织和性能的影响。