BS 3605 Chemical Composition of Stainless Steel
BS 3605 was published in two parts. Part 1 covered seamless pipes and tubes and part 2 covered welded pipes and tubes. All of these products were intended for pressure purpose applications.
The steel compositions were common to both parts of the standard, so are only shown once in the table in this article.
Both parts of BS 3605 are now withdrawn (as at March 2005). Part 1 has been replaced by EN 10216-5 and part 2 by BSEN 10217-7. The BS 3605 grade designations have not been used in the new European Standards but are shown in this article for historical interest.
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BS 3605 chemical composition table
| Grade |
| Chemical composition (% by mass - max unless stated) |
| - |
C |
Si |
Mn |
S |
P |
Cr |
Ni |
Mo |
Others |
| 215S15 |
0.06/
0.15 |
0.20/
1.00 |
5.50/
7.00 |
0.030 |
0.040 |
14.0/16.0 |
9.00/11.00 |
0.08/1.20 |
V 0.15/0.40:Nb 0.75/1.25:B 0.003/0.009 |
| 304S11 |
0.030 |
1.00 |
2.00 |
0.030 |
0.040 |
17.0/19.0 |
9.0/12.0 |
- |
- |
| 304S31 |
0.070 |
1.00 |
2.00 |
0.030 |
0.040 |
17.0/19.0 |
8.0/11.0 |
- |
- |
| 304S51 |
0.04/
0.10 |
1.00 |
2.00 |
0.030 |
0.040 |
17.0/19.0 |
8.0/11.0 |
- |
- |
| 316S11 |
0.030 |
1.00 |
2.00 |
0.030 |
0.040 |
16.5/18.5 |
11.0/14.0 |
2.00/2.50 |
- |
| 316S13 |
0.030 |
1.00 |
2.00 |
0.030 |
0.040 |
16.5/18.5 |
11.5/14.5 |
2.50/3.00 |
- |
| 316S31 |
0.070 |
1.00 |
2.00 |
0.030 |
0.040 |
16.5/18.5 |
10.5/13.5 |
2.00/2.50 |
- |
| 316S33 |
0.070 |
1.00 |
2.00 |
0.030 |
0.040 |
16.5/18.5 |
11.0/14.0 |
2.50/3.00 |
- |
| 316S51 |
0.04/
0.10 |
1.00 |
2.00 |
0.030 |
0.040 |
16.5/18.5 |
10.5/13.5 |
2.00/2.50 |
- |
| 316S52 |
0.04/
0.10 |
1.00 |
2.00 |
0.030 |
0.040 |
16.5/18.5 |
10.5/13.5 |
2.00/2.50 |
B 0.0015/0.006 |
| 321S31 |
0.080 |
1.00 |
2.00 |
0.030 |
0.040 |
17.0/19.0 |
9.0/12.0 |
- |
Ti 5C/0.80 |
| 321S51 |
0.04/
0.10 |
1.00 |
2.00 |
0.030 |
0.040 |
17.0/19.0 |
9.0/12.0 |
- |
Ti 5C/0.80 |
| 347S31 |
0.080 |
1.00 |
2.00 |
0.030 |
0.040 |
17.0/19.0 |
9.0/13.0 |
- |
Nb 10C/1.00 |
| 347S51 |
0.04/
0.10 |
1.00 |
2.00 |
0.030 |
0.040 |
17.0/19.0 |
9.0/13.0 |
- |
Nb 10C/1.00 |
Related References:
1. British Standard BS for Stainless Steel for General Application
2. British Standard for Welding and Fabrication of Stainless Steel
3. BS ASTM Tolerances Surface Finish and Test of Stainless Steel
4. British EN Standard Strength of Steel
5. BS Pipe Tube and Fitting Standard and Specification
6. BS ASTM Tolerances Surface Finish and Test of Stainless Steel
7. EN ASTM Stainless Steel for Pressure Vessel Application
9. BS Aerospace S100 Chemical Composition Mechanical Properties
10. BS Aerospace S500 Chemical Composition Mechanical Properties
11. BS 3100 Chemical Composition of Stainless Steel
12. BS 3100 1991 Cast Steel Chemical Composition
13. BS 970 Stainless Steel Chemical Composition
14. BS 6744 Chemical Composition and Mechanical Properties of stainless steel
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