ASTM A210 Steel Tube

ASTM A210 seamless carbon steel tubes are specifically designed for high-temperature and high-pressure applications in boilers，superheaters，and heat exchangers.These tubes exhibit excellent strength,durability, and resistance to high temperatures, making them suitable for critical industrial processes. ASTM A210 tubes are widely used in power generation, chemical processing, oil and gas refineries, and other industries that require reliable and efficient heat transfer.

Applications:

Power Generation: ASTM A210 tubes are widely utilized in power generation plants for boiler and superheater applications. These tubes facilitate the efficient transfer of heat from the combustion chamber to the water/steam, contributing to the generation of electricity.

Petrochemical industry: The petrochemical industry extensively employs ASTM A210 tubes in applications such as refineries, chemical plants, and oil and gas processing.These tubes provide reliable heat transfer, ensuring efficient operation and longevity in corrosive environments.

Heat Exchangers: ASTM A192 tubes are employed in heat exchangers where high-temperature fluids need to be cooled or heated.These tubes facilitate efficient heat transfer, making them suitable for various industrial processes that involve heat exchange.

Boilers: ASTM A210 tubes serve as critical components in boilers used in industrial facilities, heating systems, and power plants. These tubes ensure the efficient transfer of heat, contributing to reliable steam generation and overall boiler performance.

Construction and Infrastructure: ASTM A210 tubes find applications in the construction and infrastructure sectors，particularly in heating and cooling systems. These tubes help regulate temperature and provide efficient heat transfer in buildings, bridges,and other structures.

Advantages:

High-Temperature Resistance: ASTM A210 tubes can withstand high temperatures encountered in boiler and superheater applications, ensuring long-term performance and reliability.

Pressure Resistance: The tubes exhibit excellent strength and can withstand high-pressure environments without deformation or failure.

Corrosion Resistance: Corrosion Resistance:ASTM A210tubes are designed to resist corrosion, making them suitable for applications in corrosive environments.

Mechanical Properties:

Grade	C(Max)	Mn	Si(Min)	P(Max)	S(Max)
A1	0.27	Max.0.93	0.1	0.035	0.035
C	0.35	0.29~1.06	0.1	0.035	0.035

Chemical Composition:

Grade	Tensile Strength(Mpa)	Yield Strength(Mpa)	Elongation (%)
A1	≥ 415	≥ 255	≥ 30
C	≥ 485	≥ 275	≥ 30

Outside Diameter & Tolerance:

Pcorcess	Outside Diameter , mm	Tolerance, %
Hot Rolled	OD≤101.6	-0.5
	101.6＜OD≤127	-0.333333333
Cold Drawn	OD＜25.4	±0.10
	25.4≤OD≤38.1	±0.15
	38.1＜OD＜50.8	±0.20
	50.8≤OD＜63.5	±0.25
	63.5≤OD＜76.2	±0.30
	76.2≤OD≤101.6	±0.38
	101.6＜OD≤127	-0.59375

Wall Thickness & Tolerance:

Process	Outside Diameter , mm	Tolerance, %
Hot Rolled	OD≤101.6, WT≤2.4	+40/-0
	OD≤101.6, 2.4＜WT≤3.8	+35/-0
	OD≤101.6, 3.8＜WT≤4.6	+33/-0
	OD≤101.6, WT>4.6	+28/-0
	OD>101.6, 2.4＜WT≤3.8	+35/-0
	OD>101.6, 3.8＜WT≤4.6	+33/-0
	OD>101.6, WT>4.6	+28/-0
Cold Drawn	OD≤38.1	+20/-0
	OD>38.1	+22/-0

ASTM A210 / A210M Tube Wall Thickness Tolerance:

Seamless, Cold-Finished Tubes
Outside Diameter	Wall thickness Tolerance %
In. (mm)	Over (+)	Under (-)
1 ½ (38.1) and under	20	0
Over 1½ (38.1)	22	0

ASTM A210 / A210M Tube Outside Diameter Tolerance:

Cold-Finished Seamless Tubes
Outside Diameter	Permissible Variations In. (mm)
In. (mm)	Over (+)	Under (-)
Under 1 (25.4)	0.004 (0.10)	0.004 (0.10)
1 to 1 ½ (25.4 to 38.1), Incl	0.006 (0.15)	0.006 (0.15)
Over 11⁄2 to 2 (38.1 to 50.8), Excl	0.008 (0.20)	0.008 (0.20)
2 to 21⁄2 (50.8 to 63.5), Excl	0.010 (0.25)	0.010 (0.25)
21⁄2 to 3 (63.5 to 76.2), Excl	0.012 (0.30)	0.012 (0.30)

ASTM A210 / A210M Tube Cut Length Tolerance:

These permissible variations in length apply to tubes before bending. They apply to cut lengths up to and including 24 ft [7.3 m]. For lengths greater than 24 ft [7.3 m], the above over-tolerances shall be increased by 1⁄8 in. [3 mm] for each 10 ft [3 m] or fraction thereof over 24 ft or 1⁄2 in. [13 mm], whichever is the lesser.

Cold-Finished Seamless Tubes
Outside Diameter,	Cut Length, in.(mm)
In.(mm)	Over (+)	Under (-)
All Sizes	3⁄16 [5]	0 [0]
Under 2 (50.8)	1⁄8 [3]	0 [0]
2 (50.8) and over	3⁄16 [5]	0 [0]
Under 2 (50.8)	1⁄8 [3]	0 [0]
2 (50.8) and over	3⁄16 [5]	0 [0]

ASTM A210 / A210M Tube Hydrostatic Test Pressures:

Each tube shall be subjected to the hydrostatic pressure test, or instead of this test, a nondestructive test may be used when specified by the purchaser.

Hydrostatic Test Pressures
Outside Diameter of Tube, in. [mm]	Hydrostatic Test Pressure, psi [MPa]
Under 1 [25.4]	1000 [7]
1 to 11⁄2 [25.4 to 38.1], excl	1500 [10]
11⁄2 to 2 [38.1 to 50.8], excl	2000 [14]
2 to 3 [50.8 to 76.2], excl	2500 [17]

Manufacture: The tubes shall be made by the seamless process and shall be either hot-finished or cold-finished, as specified.
Heat Treatment: Hot-finished tubes need not be heat treated. Cold finished tubes shall be given a subcritical anneal, a full anneal, or a normalizing heat treatment after the final cold finishing process.
Surface Condition: If pickling or shot blasting or both are required, this shall be specifically stated in the order.
Inspection & Test: Chemistry composition analysis, tensile test, flattening test, flaring test, hardness test, NDT, surface inspection and dimension check.