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JIS G SB ; UNS K; DIN 19Mn6; SA, Carbon-silicon, killed steel plate for boilers and other pressure vessels Intermediate to high service. ASTM A STANDARD SPECIFICATION FOR PRESSURE VESSEL PLATES, CARBON STEEL, FOR INTERMEDIATE- AND HIGHER-TEMPERATURE. ASTM A/AM: Standard Specification for Pressure Vessel Plates, Carbon Steel, for Intermediate- and Higher-Temperature Service.

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Distributors will offer small quantity buys while mills will generally only sell large quantities, with delivery times anywhere from 10 to 50 weeks depending on size and form required This material is stocked primarily in Flat Rolled Products by 8 distributors.

A515 Grade 70 Carbon Steels Material Property Data Sheet – Product availability and request a quote

A covers carbon steel plate for use in pressure vessels at ambient and higher temperature service. The alloy involved for the specification is basically similar to AISI steel.


Used for high strength plate that is fabricated into pressure vessels for intermediate and higher temperature service such as boilers. Machinability is good, similar to that of the plain carbon steels.

The alloy is readily formed by conventional methods. This is essentially a plain carbon steel and is not corrosion resistant.

It will rust unless protected. This specification cover plate steel that is intended to be fabricated by welding.

Thus it is readily weldable by standard methods. Plate material to this specification is supplied in the “as rolled” or normalized or stress relieved condition.

Further heat treatment is not covered by this specification. Material is supplied as plate and not subjected to later forging. If need be this plate material could be hot worked. Consult the alloy supplier for temperature and asym information. Plate material may be readily bent or cold formed as is typical of plain carbon steels.

Annealing is not covered by this specification. However the steel involved can be annealed at f and slow cooled.


ASTM A Grade 70 Carbon Steel Plates, ASTM A Grade 70 Sheets Supplier

This specification does not cover hardening by heat treatment and quenching, although the steel is capable of such. The physical and mechanical properties of this steel are similar to those of AISI steel. Mean Coeff Thermal Expansion.

Modulus of Elasticity Tension. Modulus of Elasticity Torsion.