ASTM A302 Gr.C alloy steel

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10-May-2024

ASTM A302 Gr.C (A302 Grade C) material is a kind of manganese-molybdenum-nickel alloy steel.

The chemical composition of ASTM A302 Gr. C steel plate

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

The mechanical property of ASTM A302 Gr. C steel

Grade	Tensile strength		Yield strength min		Elongation % min
Grade	ksi	Mpa	ksi	Mpa	In 8 in.	In 2 in.
A302 GRADE C	80-100	550-690	50	345	17	20

A302 Gr. C alloy steel shall be normally supplied in the as-rolled condition. Plates with normalizing may be ordered or stress relieved, or both. A302 Gr. C above 50mm in thickness shall be normalized. The heat treatment includes quenching, normalizing and tempering.
Processing items: milling, drilling, planning, grinding, cutting, electroplating, power processing and so on. With deep processing machines, we can process this material into diffierent steel works, steel structures or machining parts you desire for, such as the high-end boiler, high pressure vessels or tanks. If you need special processing, please let us know.
ASTM A302 GRADE C steel works/steel structures/ steel machining parts are applied for welded boiler and pressure vessels which are designed for elevated temperature service. They are widely used in mechanical processing, petrochemical industries.
With the good quality and favorable delivery time, we have been praised repeatedly for the successful delivery of pressure vessel panels for the world's largest oil, natural gas and related petrochemical companies.
If you need ASTM A302GrC steel works, steel structures or steel machining parts, please contact us.