ASTM A204 Grade A Steel ,ASTM A204 Grade A Stock

Posted:2014-11-30 21:19:08

ASTM A-204/A-204M A204 has three grades or levels-- Grade B/B/C. A204 steel gradespecification covers molybdenum alloy, intended particularly of welded boilers and others pressure vessels steel plate in A204 Gr. A,A204 Gr .B and A204 Gr .C. ASTM A204 Grade A Steel grades are normally used for pressure vessel steel plates,A204 Grade A and SA204 Grade A pressure vessel steel plate,the minimum yield strength is 255 Mpa,tensile strength within 450-585 Mpa.

ASME SA-204/SA-204M Steel Grade : A-204 Gr.A, A-204 Gr.B, A-204 Gr.C

Dimension range :1.5mm -260mm x 1000mm-4000mm x 1000mm-18000mm

we also could supply super thick steel plate from 100mm to 300mm, certified by TUV, SGS, CE and nine classification societies: ABS, DNV, LR, GL, BV, KR, RINA, CCS, NK.

Mechanical properties for SA204 Grade A pressure vessel steel plate:

Yield strength (Mpa)	Tensile strength (Mpa)	Elongation≥,%
255	450-585	19

Chemical composition of Heat analysis for SA204 Grade A Nickel-alloy steel plate (Max %):

Thickness	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

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