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ASTM A543 Grade C alloy steel plates for pressure vessels

ASTM A543 Grade C alloy steel plates for pressure vessels

A543 Grade C in the standard ASTM A543/A543M is a kind of Ni-Cr-Mo alloy steel plates material used to fabric high temperature pressure vessels. ASTM A543 Grade C have two grades or levels. They are : grade B and grade C. A543 Grade C need to be done the (Quenching + Tempering ) heat-treatment to meet the property requirement in the standard ASTM A543/A543M.

Key words:A543 Grade C,ASTM A543 Grade C,A543 Grade C alloy steel plates,A543 Grade C Ni-Cr-Mo alloy steel,ASTM A543 Grade C alloy steel plates for pressure vessels for fabric high temperature pressure vessels.

ASTM A543 Grade C steel chemical composition : %

Composition

Grade C

C≤

Heat analyse

0.18

Product analyse

Mn ≤

Heat analyse

0.40

Product analyse

S ≤ P ≤

Heat analyse

0.020

Product analyse

Si

Heat analyse

0.15~0.40

Product analyse

0.13~0.45

Ni ≤

Heat analyse

2.00~3.50

Product analyse

1.93~3.57

Cr

Heat analyse

1.00~1.90

Product analyse

0.94~1.96

Mo

Heat analyse

0.20~0.65

Product analyse

0.16~0.69

V

Heat analyse

0.03

ASTM A543 Grade C Principal Design Features :
One of the most widely used precipitation hardening grades in the business. While soft and ductile in the solution annealed condition, it is capable of high properties with a single precipitation or aging treatment. Characterized by good corrosion resistance, high harness, toughness and strength.

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Related link : ASTM A543 Grade B,ASTM A543

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