ASTM A302 Gr.C Plates China Price

A302 Gr.C material is manganese-molybdenum-nickel alloy steel plates intended particularly for welded boilers and other pressure vessels. Boiler steel plate A302 Gr.C plates shall be with minimum yield strength at 345Mpa, and tensile strength within 550-690 Mpa. Shanghai Katalor is a ASTM A302 Gr.C plates supplier, exporter and distributor in China, we can offer ASTM A302 Gr.C pressure vessel plates, ASTM A302 Gr.B boiler steel plates, ASTM A302 Gr.C plates China price. Welcome to come and visit our factory.

Chemical Requirements (heat analysis) of ASTM A302 Gr.C Plates

Element	Weight %
Fe	96.5299 — 98.0199
Mn	1.15 — 1.62
Ni	0.4 — 0.73
Mo	0.45 — 0.64
Si	0.15 — 0.45
C	0.0 — 0.25
S	0.0 — 0.035
P	0.0 — 0.035

ASTM A302 Gr.C Plates Heat Treatment:

ASTM A302 Gr.C pressure vessel plates 2 inch [50mm] and under in thickness are normally supplied in the as-rolled condition. The plates may be ordered normalized, normalized and tempered, or stress relieved. ASTM A302 Gr.C plates over 2 inch [50mm] in thickness shall be normalized or normalized and tempered.
When normalizing A302 Gr.C plates 4 inch [100mm] or over in thickness, the cooling rate may be accelerated by air blasting or liquid quenching followed by tempering in the temperature range from 1100 to 1300℉ [595 to 705℃] to obtain mechanical properties comparable to those developed by normalizing plates in the lesser thickness.
 

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