ASTM A210 and ASME SA210 are two standards for seamless carbon steel pipes used in high-temperature applications, particularly in the manufacturing of boilers and heat exchangers. In this passage, Union Steel Industry will talk about ASTM A210 ASME SA210 seamless carbon steel pipe.
Specifications of ASTM A210 Seamless Carbon Steel Pipe:
Standard: ASTM A210 / ASME SA210
Size Range:
- OD: 10-335mm
- WT: 2-25mm
- L: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; and so on. Max length: 25000mm, also U bending can be offered.
Surface: varnish paint, anti rust oil, ect. Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.
Delivery Condition: Annealed, Normalized, Normalized and Tempered
Applications: ASTM A210 seamless carbon steel tube is medium-carbon seamless steel tube and used for boiler application as well as super heater industry.
Chemical Composition of ASTM A210 Seamless Carbon Steel Pipe:
|
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
|
Mechanical Properties of ASTM A210 Seamless Carbon Steel Pipe:
|
Grade
|
Tensile Strength(Mpa)
|
Yield Strength(Mpa)
|
Elongation (%)
|
|
A1
|
≥ 415
|
≥ 255
|
≥ 30
|
|
C
|
≥ 485
|
≥ 275
|
≥ 30
|
OD & Tolerance of ASTM A210 Seamless Carbon Steel Pipe:
|
Hot rolled
|
Outside Diameter, mm
|
Tolerance, mm
|
|
OD≤101.6
|
+0.4/-0.8
|
|
101.6＜OD≤127
|
+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＜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
|
WT & Tolerance of ASTM A210 Seamless Carbon Steel Pipe:
|
Hot rolled
|
Outside Diameter , mm
|
Tolerance, %
|
|
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
|
Outside Diameter , mm
|
Tolerance, %
|
|
OD≤38.1
|
+20/-0
|
|
OD>38.1
|
+22/-0
|
Testing of ASTM A210 Seamless Carbon Steel Pipe:
The standards outline various non-destructive and destructive testing methods to ensure the quality and integrity of the pipes. These tests include hydrostatic testing, flaring tests, flattening tests, and more.
Heat Treatment of ASTM A210 Seamless Carbon Steel Pipe:
Pipes produced under these standards may require heat treatment to achieve the desired properties. Annealing or normalizing is typically used to refine the microstructure and improve the pipe's properties.
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