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What is chromium molybdenum alloy steel plate ASTM A387 gr 11

Posted:2020-12-11 11:25:50

What is chromium molybdenum alloy steel plate ASTM A387 gr 11? ASTM A387 gr 11 is chromium molybdenum alloy steel, and it is intended primarily for welded boiler and pressure vessels designed of elevated temperature service. The Cr content of plate ASTM A387 gr 11 is 0.94-1.56% and the Mo content of plate ASTM A387 gr 11 is 0.40-0.70%. Plate ASTM A387 gr 11 covers two class levels: A387 gr 11 cl 1 and A387 gr 11 cl 2.

Chromium molybdenum alloy steel plate ASTM A387 gr 11 chemical composition:

Grade	C	Mn	P	S	Si	Cr	Mo	Others
A387 gr 11	0.04-0.17	0.35-0.73	0.025	0.025	0.44-0.86	0.94-1.56	0.40-0.70	-

Chromium molybdenum alloy steel plate ASTM A387 gr 11 mechanical property:

Grade	Tensile Strength	Yield Strength	Elongation in 2 inches
	(Mpa) min.	(MPa) min.	(%) max.
ASTM A387 gr 11 cl 1	415-585	240	22
ASTM A387 gr 11 cl 2	485-620	310	22

Plate ASTM A387 gr 11 is used in a variety of industries. The most typical applied industries are the oil, gas and petrochemical industry, where liquids and gases are often stored at higher temperatures.