Project Description

SA210-A1 Seamless Boiler Tubes

SA210 A1 is a Seamless medium carbon steel Boiler Tube used in super heater, heat exchangers, condensers, marine application, refineries, paper pulping, petrochemical applications, pressure vessels, and general engineering applications. It is also used in coal, thermal and oil power generation plants. SA210A1 steel can be purchased HF (hot finished) or CD (cold drawn) and shall be killed.

Standard: ASTM A210 / A210M, ASME SA210

Size: 1⁄2 in. to 16 in. [12.7 to 406.4mm]

W.T.: 1.5mm-50mm

Shape: Round

Production type: Hot finished and cold finished.

Length: Single random length/ Double random length or as customer’s actual request max length is 25m

Grade: A1

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.

SA210 A1 Chemical Compositions

Chemical Components (%)
GradeCSiMnPSMoCrV
A-1≤0.27≥0.10≤0.93≤0.035≤0.035///

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SA210 A1 Mechanical Tests Required

Mechanical Properties
      GradeTensile
Strength (Mpa)
Yield
Strength (Mpa)
Elongation
(%)
Hardness
(HRB)
A-1≥415≥255≥30≤79

 
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SA210 A1 Boiler Tubes Wall Thickness Tolerance

Seamless, Cold-Finished Tubes
Outside Diameter
In. (mm)
Wall thickness Tolerance %
Over (+)Under (-)
1 ½ (38.1) and under200
Over 1½ (38.1)220

SA210A1 Tube Outside Diameter Tolerance

Cold-Finished Seamless Tubes
Outside Diameter
In. (mm)
Permissible Variations In. (mm)
Over (+)Under (-)
Under 1 (25.4)0.004 (0.1)0.004 (0.1)
1 to 1 ½ (25.4 to 38.1), Incl0.006 (0.15)0.006 (0.15)
Over 11⁄2 to 2 (38.1 to 50.8), Excl0.008 (0.2)0.008 (0.2)
2 to 21⁄2 (50.8 to 63.5), Excl0.010 (0.25)0.010 (0.25)
21⁄2 to 3 (63.5 to 76.2), Excl0.012 (0.3)0.012 (0.3)

 

SA210 A1 Tube Cut Length Tolerance

Cold-Finished Seamless Tubes
Outside Diameter,
In.(mm)
Cut Length,in.(mm)
Over (+)Under (-)
All Sizes3⁄16 [5]0 [0]
Under 2 (50.8)1⁄8 [3]0 [0]
2 (50.8) and over3⁄16 [5]0 [0]
Under 2 (50.8)1⁄8 [3]0 [0]
2 (50.8) and over3⁄16 [5]0 [0]
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.

 

Application:

Apply to the boiler tubes, seamless steel tube, steel tube, superheater tubes.

Photos:

SA210 A1 Seamless Boiler Tubes Surface

SA210 A1 Seamless Boiler Tubes Surface

SA210 A1 Seamless Boiler Tubes Bulk Bundle

SA210 A1 Seamless Boiler Tubes Bulk Bundle

SA210 A1 Seamless Boiler Tubes Export Package

SA210 A1 Seamless Boiler Tubes Export Package

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Tel.: +86 185 5109 0083 | E-mail: cts@ctstubes.com

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