What is SA572 Gr50 low alloy steel plate

Posted:2021-10-25 10:00:52

1. SA572 Gr50 low alloy steel plate is a high-strength niobium-vanadium structural steel sheet. 8-300mm thick A572Gr50 steel plate is widely used in engineering structures, such as construction steel structures, construction machinery, mining machinery, trucks, bridges, pressure vessels, etc., especially for those requiring good weldability and tough construction and construction machinery parts.

2. Chemical composition of SA572 Gr50 low alloy steel plate:

Grade	C	Si	Mn	P	S	Nb
A572 Gr50	≤0.20	≤0.40	≤1.50	≤0.04	≤0.05	0.005-0.05

3. Mechanical properties of SA572 Gr50 low alloy steel plate:

Grade	Yield strength	Tensile strength	Elongation	Temperature ℃	Impact energy, Akv longitudinal
A572Gr50	345-470	490-600	22-35	0	45-150

4. SA572 Gr50 low alloy steel plate executive standard: ASME SA572/SA572M.

5. The use of SA572 Gr50 low alloy steel plate:
SA572 Gr50 is an American standard low-alloy plate, which is equivalent to the domestic grade Q345. It is generally used in construction and various engineering machinery, such as drilling rigs, electric shovel, electric wheel dump trucks, mining trucks, excavators, loaders, bulldozers, various cranes, coal mine hydraulic supports and other machinery used in mining and various engineering constructions equipment and other structural parts.

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