ASTM A210 Tube
Description:
Type: Hot-finished steel pipe, cold-finished steel pipe
Specification: OD:12.7-127 mm. WT: 0.9-12.7 mm. L.: Single Random, Double Random & Cut Length
Standard: ASTM A210, ASME SA210
Grades: A1, C
End: Plain End, Beveled End, Threaded
Packing: Wooden box or bundles protected with plastic paper, and suitably protected for sea-worthily delivery or as requested..
What is the ASTM A210 Steel Tube?
ASTM A210 is the standard covers seamless medium-carbon steel boiler and superheater tubes. ASTM A210 also covers minimum wall thickness, tubing sizes, and boiler flues including safe ends, arch and stay tubes. ASTM A210 provides tensile and hardness properties but is only applicable to certain size limitations. Tubes shall be made by seamless process, marked as either hot-finished or cold-finished. The surface condition shall be specifically stated in the order.
Chemical Requirements for ASTM A210 Seamless Tubes
|
Grade |
C(Max) |
Mn |
Si(Min) |
P(Max) |
S(Max) |
|
A1 |
0.27 |
Max.0.93 |
0.10 |
0.035 |
0.035 |
|
C |
0.35 |
0.29~1.06 |
0.10 |
0.035 |
0.035 |
|
Grade |
Tensile Strength(Mpa) |
Yield Strength(Mpa) |
Elongation (%) |
|
A1 |
≥ 415 |
≥ 255 |
≥ 30 |
|
C |
≥ 485 |
≥ 275 |
≥ 30 |
|
Pcorcess |
Outside Diameter , mm |
Tolerance, % |
|
Hot rolled |
OD≤101.6 |
+0.4/-0.8 |
|
101.6＜OD≤127 |
+0.4/-1.2 |
|
|
|
|
|
|
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 |
+0.38/-0.64 |
|
|
|
|
|
Pcorcess |
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 |
|
Seamless, Cold-Finished Tubes |
||
|
Outside Diameter |
Wall thickness Tolerance % |
|
|
Over (+) |
Under (-) |
|
|
1 ½ (38.1) and under |
20 |
0 |
|
Over 1½ (38.1) |
22 |
0 |
ASTM A210 / A210M Steel Tube Outside Diameter Tolerance
|
Cold-Finished Seamless Tubes |
||
|
Outside Diameter |
Permissible Variations 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 Steel 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] |
ASTM A210 / A210M Steel Tube Flattening Test
One flattening test shall be made on specimens from each end of one finished tube from each lot, but not the one used for the flaring test. Tears or breaks occur at the 12 or 6 o’clock positions on Grade C tubing with sizes of 2.375 in. [60.3 mm] in outside diameter and smaller shall not be considered a basis for rejection. One flaring test shall be made on species-men from each end of the one finished tube from each lot, but not the one used for the flattening test.
