ASME SA387 Grade 12 Class 1 Steel for Boilers

ASME SA387 Grade 12 Class 1 material is a chromium-molybdenum alloy steel plates for welded broilers and pressure vessels designed for elevated temperature service. Katalor Industry is a ASME SA387 Grade 12 Class 1 steel plate manufacturers, delivering to the whole of the world.We are having largest inventory & ready stock of around 200 tons of SA387 GR.12 CL.1 boiler steel, SA387 GR.12CL.1 alloy steel and SA387 Grade 11 Class 1 pressure vessel coils, sheets, and plates in different size, grades & cuts.
Alloy Steel ASME SA387 Grade 12 Class 1 steel plates also provide excellent corrosion and oxidation resistance, which is a must in sour gas applications. ASME SA387 Grade 12 Class 1 steel sheets and plates have excellent resistance towards heat, stress-corrosion cracking and corrosive medium. ASME SA387 GR.12 CL.1 coils are easy to machine, stamp and fabricate and can be manufactured to precise tolerances.
ASME SA387 Grade 12 Class 1 Steel Products Specification
Thickness: 3-150mm
Width: 1220-4200mm
Length: 5000-18000mm
Notes: coil thickness ≤ 25mm

SA387 Grade 12 Class 1 Steel Equivalent

EU	USA	Germany	Japan	England	Austria	Russia	China
EN	ASTM, ASME	DIN,WNr	JIS	BS	ONORM	GOST	GB
13CrMo4-5 (1.7335)	A387Gr.12	13CrMo4-4	SFVAF12	620	13CrMo44KW	12KHM	12CrMo
	Gr.12			620-440		15KHM
				620Gr.27

ASME SA387 Grade 12 Class 1 Steel Chemical Composition(%):

Grade	C	Mn	Si	P max	S	Cr	Mo
SA387 Grade 12 Class1	0.04-0.17	0.35-0.73	0.13-0.45	0.035	0.035	0.74-1.21	0.40-0.65

ASME SA387 Grade 12 Class 1 Steel Mechanical Properties:

Grade	Tensile Strength (MPa)	Yield Strength (MPa) min	% Elongation in 2 in.(50mm) min	% Elongation in 8in.(200mm) min	Impacting Test Temperature (°C)
SA387 Grade 12 Class1	380-550	230	22	18	-20,40,-60

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