20simnVB alloy structural steel
20simnVB Structure Steel
20simnVB structure steel is a kind of high-end martensitic steel, which contains 0.20% carbon, 0.80% silicon, 1.50% manganese and 0.035% nitrogen. The steel has good performance in toughness, strength and fatigue resistance, and its HRC can reach 38-44. This type of steel......