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。
high-quality chrome vanadium steel 50bv30 forged, is mainly used for removal of broken screws.
优质铬钒钢50bv30锻造,主要用于取出断裂的螺丝。
by analysing principle, hydraulic pressure, seal, the feasibility of oil pressure method about main gear in striking refinement vanadium steel converter are discussed.
通过对油压法的原理、液压力、密封等进行分析,阐明油压法在提钒转炉大齿轮拆除中的可行性。
the ferrite grain size and yield strength of the middle and low nitrogen vanadium steel are investigated after rapid cooling as rolled.