Weldability Analysis of ASTM A202 Grade B Stee

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ASTM A202 Grade A is a critical chromium-manganese-silicon low-alloy steel plate specifically designed for welded pressure vessels and boilers operating at medium temperatures.

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ASTM A202 Pressure Vessel Steel Plate

ASTM A202 Pressure Vessel Steel Material and Grades:
Alloy System: **Chromium-Manganese-Silicon (Cr-Mn-Si)** Low-Alloy Heat-Resistant Steel

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P355GH steel, P355GH steel plate

P355GH steel plate under En10028-2 standard, EN10028 P355GH steel plates is a kind of material for boiler and pressure vessel steel.,characterized by a minimum yield strength of 280-355 MPa and by good weldability,.

P355GH steel plate specification:

P355GH material number: 1.0473
Thickness: 6mm to 300mm,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm

P355GH Chemical Composition
Grade	The Element Max (%)
Grade	C	Si	Mn	P	S	Al(min)	N
P355GH	0.10-0.22	0.60	1.10-1.70	0.025	0.015	0.020	0.012
	Cr	Cu	Mo	Nb	Ni	Ti	V
	0.30	0.30	0.08	0.040	0.30	0.03	0.02

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

Grade		P355GH Mechanical Property
Grade	Thickness	Yield	Tensile	Elongation	Impact Energy(KV J) min
P355GH	mm	Min Mpa	Mpa	Min %	-20°	0°	+20°
	t≤ 16	355	510-650	20	27	34	40
	16< t≤40	345	510-650	20	27	34	40
	40<t ≤60	335	510-650	20	27	34	40
	60<t≤100	315	490-630	20	27	34	40
	100< t ≤150	295	480-630	20	27	34	40
	150< t ≤250	280	470-630	20	27	34	40

P355GH Equivalent material:

P355GH steel plate/ sheet under in EN10028-2 standard, Its grade Number is 1.0473. The equal material of P355GH steel is: DIN 17155 19 Mn 6, NFA 36-205 A52 CP, UNI 5869 Fe510 1KW, UNE 36087 A52 RCI, ASTM A 414 Gr. G, JIS G3115 SPV 36.