ASTM A387 Gr12 Cl1 Pressure vessel and Boiler steel plate

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10-May-2024

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The application of ASTM A387 Gr12 Cl1 plate

ASTM A387 Gr12 Cl1 Pressure vessel and Boiler steel plate intended primarily for welded boiler and pressure vessels designed of elevated temperature service

ASTM A387 Gr12 Cl1 steel plate Chemical Composition

A387 Gr.12 CL.1Chemical Composition
Grade	The Element Max (%)
Grade	C	Si	Mn	P	S	Cr	Mo
A387 Gr.12 Cl.1	0.04-0.17	0.13-0.45	0.35-0.73	0.035	0.035	0.74-1.21	0.40-0.65

Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

ASTM A387 Gr12 Cl1 Plate Mechanical Property

Grade	A387 Gr.12 CL.1Mechanical Property
Grade	Thickness	Yield	Tensile	Elongation
A387 Gr.12 Cl.1	mm	Min Mpa	Mpa	Min %
	t≦50	230	380-550	22
	50<t≦200	-	-	1

The rolling size of ASTM A387 Gr12 Cl1 Pressure vessel and Boiler steel plate

Thickness	3-150mm
Width	1220-4200mm
Length	5000-18000mm

Notes: coil thickness ≤ 25mm

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