ASTM A 387 grade 11 steel

A 387 grade 11 steel used in a variety of industries and is highly effective, particularly in the oil, gas and chemical industry, where liquids and gases are often stored at high temperature (see pressure vessels). The higher levels of chromium also provide excellent corrosion and oxidation resistance.

A 387 grade 11 steel specification for pressure vessel plates,alloy steel,chromium-molybdenum.

A 387 grade 11 material chemical composition:

Grade	C	Mn	P	S	Si	Cr	Mo
grade 11	0.04-0.17	0.35-0.73	0.035	0.035	0.44-0.86	0.94-1.56	0.40-0.70

A 387 grade 11 steel mechanical properties

Grade	11
Tensile strength,ksi,mpa	60-85 [415-585]
Yield strength,ksi,mpa ≥	35 [240]
Elongation ,8in or 200mm,% ≥	19
Elongation ,2in or 50mm,% ≥	22

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