ASTM, JIS and EN 304&304L Stainless Steel Equivalents
Grade 304 has Japanese standard JIS 304, ASTM A240 304/ UNS 30400, and EN 304/1.4301.
Grade 304L has Japanese standard JIS 304L, ASTM A240 304L/ UNS 30403, and EN 304/1.4306.
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Country |
USA |
Japan |
Europe |
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Specification |
ASTM A240 |
JIS G4305 |
EN10088-2:1995 |
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Grade Name |
304 |
304L |
304 |
304L |
304 |
304L |
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Material |
S30400 |
S30403 |
1.4301 |
1.4306 |
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Chemistry % |
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Carbon |
< 0.08 |
< 0.03 |
< 0.08 |
< 0.03 |
< 0.07 |
< 0.03 |
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Nitrogen |
< 0.10 |
< 0.10 |
– |
– |
< 0.11 |
< 0.11 |
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Chromium |
18.0-20.0 |
18.0-20.0 |
18.0-20.0 |
18.0-20.0 |
17.0-19.5 |
18.0-20.0 |
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Nickel |
8.0-10.5 |
8.0-12.0 |
8.0-10.5 |
9.0-13.0 |
8.0-10.5 |
10.0-12.0 |
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Mechanical Properties (min) |
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0.2% Proof Stress (MPa) |
205 |
170 |
205 |
175 |
230 |
220 |
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Tensile Strength (MPa) |
515 |
485 |
520 |
480 |
540-750 |
520-670 |
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Elongation (%) |
40.0 |
40.0 |
40 |
40 |
45 |
45 |
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