ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
Zhangjiagang Hua Dong Energy Technology Co., Ltd.
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Description
ASTM A213 A312 A269 A511 A240 UNS S30403 304L, EN 10216-5 1.4307 stainless steel pipe is a variation of the 18% chromium – 8% nickel austenitic alloy, the most familiar and most frequently used alloy in the stainless steel family. This alloy may be considered for a wide variety of applications and exhibits good corrosion resistance, ease of fabrication, excellent formability, and high strength with low weight. Type 304L is a lower carbon variant of Grade 304 – the steel can be welded without the resulting issue of carbon precipitation precipitation of chromium carbide as heat is applied during the welding process which depletes the chromium element of the steel thus reducing its anti corrosive / oxidation effectiveness, and because of low carbon percentage, can minimizing Intergranular corrosion attack.
Specification:
Table 1. Composition ranges for ASME SA 213 304 304L 304H and EN 10216-5 1.4301 1.4307 1.4948
| Grade | – | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| 304/S30400 | min.max. | -0.08 | -2.0 | -1.00 | -0.045 | -0.030 | 18.0-20.0 | – | 8.0-11.0 | – |
| EN 10216-5 1.4301 | min.max. | -0.07 | -2.0 | -1.00 | -0.040 | -0.015 | 17.00-19.5 | – | 8.0-10.5 | -0.11 |
| 304L/S30403 | min.max. | -0.035 | -2.0 | -1.00 | -0.045 | -0.030 | 18.0-20.0 | – | 8.0-12.0 | – |
| EN 10216-5 1.4307 | min.max. | -0.030 | -2.0 | -1.00 | -0.040 | -0.015 | 17.5-19.5 | – | 8.0-10.0 | -0.11 |
| 304H /S30409 | min.max. | 0.04-0.10 | -2.0 | -1.00 | -0.045 | -0.030 | 18.0-20.0 | – | 8.0-11.0 | – |
| EN 10216-5 1.4948 | min.max. | 0.04-0.08 | -2.0 | -1.00 | -0.035 | -0.015 | 17.0-19.0 | – | 8.0-11.0 | -0.11 |
| GRADE | UNS | EN | JIS | AFNOR | BS | WERKSTOFF NR. | GOST | SS |
| USA | EUROPE | JAPAN | RUSSIAN | BRITISH | GERMAN | RUSSIAN | SWEDISH | |
| SS 304L | S30403 | X2CrNi18-9 / X2CrNi19-11 | SUS 304L | Z3CN18‐10 | 304S11 | 1.4306/1.4307 | 03Х18Н11 | 2332 |
Application Industries