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ASTM A210 / ASME SA210 Grade C Carbon Steel Boiler Tube Seamless Superheater Tube

ASTM A210 / ASME SA210 Grade C Carbon Steel Boiler Tube Seamless Superheater Tube

Brand Name: YUHONG
Model Number: ASME SA210 Gr.C Carbon Steel Seamless Tube
MOQ: 1000kgs
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Payment Terms: L/C,T/T
Detail Information
Place of Origin:
CHINA
Certification:
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Product Name:
Carbon Steel Boiler Tube
Standard Grade:
ASTM A210, ASME SA210
Material:
Grade C
OD:
1/2" To 5"
Thickness:
BWG10-25
Length:
Single Random, Double Random & Cut Length
End:
Plain End, Beveled End
Highlight:
ASME SA210 Gr. C Carbon Steel Tube, Steel Seamless Boiler Tube
Product Description

 ASTM A210 / ASME SA210 Gr.C Carbon Steel Seamless Tube Steel Boiler Tube Superheater Tube

 

 

ASTM A210 Grade C is a seamless medium-carbon steel tube intended for high-pressure service. It is the "higher strength" sibling to the more common Grade A1 within the same specification. While A210 Grade A1 is suitable for general boiler water walls and economizers, Grade C is specified when the operating pressure or temperature requires greater mechanical properties, allowing for thinner wall sections or higher safety margins.

 

 

Comparison: A210 vs. Similar Grades

  • vs. ASTM A179 (Heat Exchanger Tubes): A179 is low carbon (0.06-0.18% C), softer, and used for lower pressures and temperatures (like condensers). A210 is stronger and used for boilers.

  • vs. ASTM A106 (Pipe): A106 is a pipe specification (pressure piping), while A210 is a tube specification (boiler/superheater). Tubes are generally smaller and held to tighter dimensional tolerances. Chemically, A106 Grade B is similar to A210 A-1, but the manufacturing focus (pressure pipe vs. boiler tube) differs.

  • vs. ASTM A192 (Boiler Tube): A192 is a carbon steel boiler tube spec with a narrower carbon range (0.06-0.18%) and lower strength. A210 A-1 has a higher carbon ceiling (0.27%), giving it higher strength than A192. A210 is often chosen when higher mechanical properties are needed than A192 can provide.

 

 

Chemical Composition of ASTM A210 / ASME SA210 Grade C Carbon Steel Boiler Tube

Standard

Grade

ASTM A210 Chemical Compostion %

C

Si

Mn

P

S

ASTM A210 / ASME SA210 C ≤0.35 ≥0.10 0.291.06 ≤0.035 ≤0.035
 

 

Mechanical Properties of ASTM A210 / ASME SA210 Grade C Carbon Steel Boiler Tube

ASTM A210/ASME SA210

Steel Grade

Yield Strength (Mpa)

Tensile Strength (Mpa)

Elongation (%)

C ≥275 ≥485 ≥30
 
 

Testing and Inspection

To qualify as A210 Gr.C, each lot of tubes must pass:

  1. Tensile Test: To verify the 485 MPa minimum.

  2. Hardness Test: To ensure it does not exceed 89 HRB.

  3. Flattening Test: To prove ductility for coiling and bending.

  4. Flange Test: To ensure the tube end can be expanded (rolled) into a boiler drum without cracking.

  5. Hydrostatic Test: To verify pressure integrity.

 

 

Applications

Due to its higher strength, Grade C is the preferred choice for the most thermally stressed parts of a boiler system:

 

  • Superheater Tubes: The primary application. Superheaters raise the temperature of steam above its saturation point. This subjects the tube to the highest internal pressures and external gas temperatures. Grade C's strength resists creep (deformation under heat and stress).
  • High-Pressure Boiler Tubes: Used in the hottest sections of the boiler water walls (riser tubes) where steam generation is most intense.
  • Petrochemical Furnaces: Used in the radiant sections of heaters where metal temperatures are higher. 

 

 

 

ASTM A210 / ASME SA210 Grade C Carbon Steel Boiler Tube Seamless Superheater Tube 0
Ratings & Review

Overall Rating

4.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
33%
4 stars
33%
3 stars
33%
2 stars
0%
1 stars
0%

All Reviews

P
Pieter
South Africa Dec 17.2025
With high firebox temps and some sour gas in the mix, regular carbon tubes don't last. These have been solid.
I
Ivan Volkov
Russian Federation Nov 11.2025
As an engineer in Siberia, I tested these fin tubes in extreme cold (-30°C). The ASTM A213 T11 steel performed well with no thermal cracks, and cooling efficiency met expectations (88%). That said, the Russian-language documentation had translation errors in technical terms, causing minor confusion during installation.
K
Kumar
India Nov 8.2025
No corrosion issues so far, though we're running below dew point carefully. Installation was straightforward—tube sheets lined up, ends clean, rolling into the header went smooth.