ASTM A210 Seamless Carbon Tube

ASTM A 210 Seamless Carbon Boiler Tube

ASTM A 210 covers seamless steel boiler and superheater tubes, belongs to medium-carbon tube product, product types includes safe ends, arch and stay tubes of minimum-wall-thickness, tubing sizes. Material manufacturing is killed. Manufacturing method is following seamless process, final produt is either hot-finished or cold-finished. Surface condition can be customized in your requirement. Test requirement: tension test, flattening test, flaring test, hardness test, hydrostatic or nondestructive electric test,etc.

  • Delivery Condition: Annealed, Normalized, Normalized and Tempered
  • Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
  • Application: For high, middle and low pressure boiler and other pressure purpose
Chemistry Composition:
Grade C(Max) Mn(Max) Si(Min) P(Max) S(Max)
A1 0.27 0.93 0.10 0.035 0.035
C 0.35 0.29~1.06 0.10 0.035 0.035

Mechanical Propertie:

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

Outside Diameter & Tolerance:

Hot rolled Outside Diameter, mm Tolerance, mm
OD≤101.6 +0.4/-0.8
101.6 +0.4/-1.2
   
Cold Drawn Outside Diameter, mm Tolerance, mm
OD<25.4 ±0.10
25.4≤OD≤38.1 ±0.15>
38.1 ±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 +0.38/-0.64
   

Wall thickness & Tolerance:
Hot rolled Outside Diameter , mm Tolerance, %
OD≤101.6, WT≤2.4 +40/-0>
OD≤101.6, 2.4 +35/-0>
OD≤101.6, 3.8 +33/-0>
OD≤101.6, WT>4.6 +28/-0>
OD>101.6, 2.4 +35/-0>
OD>101.6, 3.8 +33/-0>
OD>101.6, WT>4.6 +28/-0>
Cold Drawn Outside Diameter , mm Tolerance, %
OD≤38.1 +20/-0
OD>38.1 +22/-0

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