ASTM A403/A403M-00a |
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Wrought Austenitic Stainless Steel Piping Fittings |
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Grade |
Composition, % |
C |
Mn |
P |
S |
Si |
Ni |
Cr |
Mo |
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WP 304 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
8.0-11.0 |
18.0-20.0 |
- |
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WP 304L |
0.035 |
2.00 |
0.045 |
0.030 |
1.00 |
8.0-13.0 |
18.0-20.0 |
- |
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WP 316 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
10.0-14.0 |
16.0-18.0 |
2.00-3.00 |
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WP 316L |
0.035 |
2.00 |
0.045 |
0.030 |
1.00 |
10.0-16.0 |
16.0-18.0 |
2.00-3.00 |
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GENERAL NOTE: |
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All values are maximum unless otherwise indicated. |
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Tensile and Elongation Requirements |
WP304, WP316 |
WP304L,
WP316L |
Yield
Strength, min, ksi [MPa] |
30[205] |
25[170] |
Tensile Strength, min, ksi [MPa] |
75[515] |
70[485] |
Elongation (1) |
Longitudinal |
28 |
28 |
Transverse |
20 |
20 |
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NOTE: (1) Standard round specimen, or small
proportional specimen, or strip-type specimen, min % in 4D. |
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