ASTM A210 Grade A1 Steel Tube

Standards: ASTM A210

O.D: 12.7-177.8mm

WT.: 2.2-25.4mm

Length: 6-12m

Heat Treatment: Hot-finished/Cold finished

Application: Oil refinery, petrochemical, power generation (nuclear/thermal), steel, sugar, boiler, pressure vessel and general engineering applications

The ASTM A210 covers several grades of the seamless medium-carbon alloy steel pipe for boiler and superheater systems. Grade A1 is the most commonly used grade used for high temperature and high-pressure systems such as boiler pipe, boiler flue pipe, superheater pipe, economizer tube.

WIHO metals is a leading carbon steel tube supplier and manufacturer, we supply ASTM A210 Grade A1 carbon steel pipe and equivalent material for boiler systems in various sizes and specifications. If you are looking for this material, please contact us or get a quotation. Not only do we have all kinds of sizes, but we also have all kinds of sizes that are hard to find.

ASTM A210 Gr A1 Equivalent grade

JIS G3455 STS42

BS 3602 Part I

DIN 1629-5 St 45-5

GB 20#


ASTM A210 A1 Pipe Chemical Composition

Grade C Si Mn P S
ASTM A210 A1 0.27 Max.0.93 0.10 0.035 0.035

ASTM A210 A1 Pipe Mechanical Properties

Yield Strength, MPa or N/mm2, min Tensile Strength, MPa or N/mm2, min Elongation %,A Hardness, HB
≥ 255 ≥ 415 ≥ 30 179 HB


WIHO steel supplies and stocks a large inventory of ASTM A210 Gr A1 (STS42/ St 45-5) seamless tubes used for pressure and heat resistant applications like boiler systems, conduit tubes, superheater tubes, or steam turbine pipelines, usually in a normalized state. For more information on our extensive steel alloys inventory, please contact us or fill in the form below.

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