ASTM A210/A210M Seamless Medium-Carbon Steel Boiler Tubes

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ASTM A210

Standard Overview:

ASTM A210 defines the requirements for seamless medium carbon steel boiler and superheater tubes. The standard includes two grades: A1 and C, each with different chemical and mechanical property requirements.

Main Materials:

Medium-carbon steel

Scope of Application:

ASTM A210 seamless steel pipe is often used in high temperature environments, especially in the construction of boilers, superheaters and other pressure vessels.

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Specification

Standard: ASTM A210
Procedure: SMLS
Dimensions: 21.3mm – 141.3mm, 1/2″ – 5″, DN15 – DN400
Thickness: 0.9mm – 12.7mm, SCH 10 -SCH 160
Unit Length: 1.5 – 25 mtrs
Steel Grade: ASTM A210 A1, ASTM A210 C
Surface Coating: Varnishing, Black, Oiling, Hot Dip Galvanizing
End Type: Square cut, Bevelled, Threaded, Grooved
Joint Method: Fitting, Flange, Coupling, Clamp, Pipe Shoulder, Welding
Pipe Machining: Welding, Bending, Hole Drilling, Punching, Swaging, Tapering, Flaring, Expanding

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Dimension

Outside Diameter：	1⁄2 to 5 in. [12.7 to 127 mm]
Wall Thickness：	0.035 to 0.500 in. [0.9 to 12.7 mm]
Tubing having other dimensions may be furnished, provided such tubes comply with all other requirements of this specification.

Chemical Requirement

Chemical Requirements
Element	Composition, %
Element	Grade A- 1	Grade C
CarbonA, max	0.27	0.35
Manganese	0.93 max	0.29– 1.06
Phosphorus, max	0.035	0.035
Sulfur, max	0.035	0.035
Silicon, min	0.1	0.1
A For each reduction of 0.01 % below the speciﬁed carbon maximum, an increase of 0.06 % manganese above the speciﬁed maximum will be permitted up to a maximum of 1.35 %.

Mechanical Requirement

Tensile Requirements
Mechanical Properties	Grade A- 1	Grade C
Tensile strength, min, ksi [MPa]	60 [415]	70 [485]
Yield strength, min, ksi [MPa]	37 [255]	40 [275]
Elongation in 2 in. or 50 mm, min, %	30	30
For longitudinal strip tests, a deduction shall be made for each 1⁄32-in. [0.8-mm] decrease in wall thickness under 5⁄16in. [8 mm] from the basic minimum elongation of the following percentage points	1.50A	1.50A
When standard round 2-in. or 50-mm gage length or smaller proportionally sized specimen with the gage length equal to 4D (four times the diameter) is used	22	20
A See Table 4 for the computed minimum values.

Why Choose UNIASEN?

We offer ASTM A210/A210M pipes in various steel grades, customized to customer needs.

Our ASTM A210/A210M pipes are rigorously inspected. These tests include tensile, flattening, flaring, hardness, and hydrostatic or non-destructive electrical testing.

We provide detailed dimension sheets for each order to help you make an informed decision.

We offer a variety of coatings, end types, and fittings. They ensure a perfect fit with your existing system.