hardened and tempered steel

基本解释

Therefore, choosing correct hardened and tempered technology are an effective way to improve strength-toughness of low alloy high strength chain cable steel.
因此，选择合适的调质工艺是提高低合金高强度锚链钢强韧性的一条有效途径。
Design principle, scheme and application of controlled cooling system of non-hardened-tempered steel crankshaft produced by5000t hot die forging press have been introduced.
介绍了非调质钢曲轴锻件正火冷却系统的设计原理及其应用。
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。

调质钢
30CrMnSiA steel is a representative medium carbon hardened and tempered steel and becoming widely used in aviation and national defense industries. Porosity is apt to occur when welding 30CrMnSiA steel,brings on bad influence to the mechanical property of the welding joint,even affects the reliability of the product.
30CrMnSiA钢是一种典型的Cr-Mn-Si系中碳调质钢,是航空工业和国防工业中的重要材料,在激光焊接过程中容易形成气孔,对30CrMnSiA钢产品焊接接头的力学性能带来不利影响,进而影响产品的可靠性。