ASTM A204-A welded steel tubes, A204 Grade A boiler steel - Shanghai Katalor Enterprises Co., Ltd

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ASTM A204-A welded steel tubes, A204 Grade A boiler steel

Posted:2014-11-30 11:54:10

ASTM A204-A steel is a kind of material for boiler and pressure vessel steel. So, ASTM A204-A steel is used above all for manufacturing boilers, pressure vessels and pipes transporting hot liquids.

ASTM A204-A welded steel tubes for pressure purposes. Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties.

About ASTM A204-A steel, we can offer A204-A steel plate specifications according to your requirements:

Thickness: 6MM to 150MM,

Width: 1500mm to 4050mm,

Length: 3000mm to 15000mm

Chemical composition for A204 Grade A boiler steel (Heat Analysis Max%)

Main chemical elements composition of A204 Grade A
Thickness(mm)	C	Si	Mn	P	S	Mo
T≤25	0.18	0.15-0.40	0.90	0.035	0.035	0.45-0.60
25 T≤50	0.21
50 T≤100	0.23
T>100	0.25

Mechnical property for A204GrA boiler steel:

Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
255	450-585	200mm	50mm
		19	23

Steel standard ASTM A204/A204M and similar steel standard ASME SA204/SA204M which specification for pressure vessel steel plates,molybdenum alloy steel plate A204 Grade A,A204 Grade B,A204 Grade C and SA204 Grade A,SA204 Grade B,SA204 Grade C.For thickness equal and under 40mm,boiler steel plate A204 Grade A shall be supplied normally in the as-rolled delivery condition.The plates also may be ordered in Normalised or stress relieved or both.For thickness above 40mm,pressure vessel steel plate SA204 Grade A shall be in Normalised heat treatment.

Shanghai Katalor Industry Co., Ltd Is specialized in the production of steel plate, steel pipe, steel bar, it is located in Shanghai, with advanced technology and services, if you need ASTM A204 Grade A steel, please give us a message.

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