Centerway steel specializes in the production of the stainless steel pipe and fittings, and large inventory of resources, Factory direct sales
ASTM A789 & A790: American Society for Testing and Materials
Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes.
Application: Refineries; Nuclear Plant; Aerospace Industry; Chemical Fertilizer; Petrochemicals' Oli & Gas and etc
A789 Chemical Composition |
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UNS Designation |
C max |
Mn max |
P max |
S max |
Si max |
Ni |
Cr |
Mo |
N |
Cu |
S31803 |
0.03 |
2 |
0.03 |
0.02 |
1 |
4.5-6.5 |
21.0-23.0 |
2.5-3.5 |
0.08-0.20 |
- |
S31500 |
0.03 |
1.20-2.00 |
0.03 |
0.03 |
1.40-2.00 |
4.25-5.25 |
18.0-19.0 |
2.5-3.00 |
0.05-0.1 |
- |
S32750 |
0.03 |
1.2 |
0.035 |
0.02 |
0.8 |
6.0-8.0 |
24.0-26.0 |
3.0-5.0 |
0.24-0.32 |
0.5max |
A790 Chemical Composition |
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UNS Designation |
C max |
Mn max |
P max |
S max |
Si max |
Ni |
Cr |
Mo |
N |
Cu |
S31803 |
0.03 |
2 |
0.03 |
0.02 |
1 |
4.5-6.5 |
21.0-23.0 |
2.5-3.5 |
0.08-0.20 |
- |
S32205 |
0.03 |
2 |
0.03 |
0.02 |
1 |
4.5-6.5 |
22.0-23.0 |
3.0-3.5 |
0.14-0.20 |
- |
S32750 |
0.03 |
1.2 |
0.035 |
0.02 |
0.8 |
6.0-8.0 |
24.0-26.0 |
3.0-5.0 |
0.24-0.32 |
0.5max |
A789 Mechanical Properties |
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UNS Designation |
Tensile Strength, min ksi [Mpa] |
Yield Strength, min ksi [Mpa] |
Elongation in 2 in. or 50 mm, min, % |
S31803 |
90 [620] |
65 [450] |
25 |
S31500 |
92 [630] |
64 [440] |
30 |
S32750 |
116 [800] |
80 [550] |
15 |
A790 Mechanical Properties |
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UNS Designation |
Tensile Strength, min ksi [Mpa] |
Yield Strength, min ksi [Mpa] |
Elongation in 2 in. or 50 mm, min, % |
S31803 |
90 [620] |
65 [450] |
25 |
S32205 |
90 [620] |
65 [450] |
25 |
S32750 |
116 [800] |
80 [550] |
15 |
Available Dimension Range |
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OD(mm/inch) |
Wall thickness (SCH) |
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10 |
20 |
30 |
STD |
40 |
60 |
XS |
80 |
100 |
120 |
140 |
160 |
XXS |
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60.3 (2'') |
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73 (2 1/2'') |
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88.9 (3'') |
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101.6 (3 1/2'') |
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114.3 (4'') |
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141.3 (5'') |
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168.3 (6'') |
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219.1 (8'') |
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660 (26'') |
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711 (28'') |
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762 (30'') |
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813 (32'') |
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864 (34'') |
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914 (36'') |
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1016 (40'') |
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