| AISI Type No. |
JIS | Chemical compositions (%) | Applications | |||||||||
| C. (Max) |
Si. (Max) |
Mn. (Max) |
p. (Max) |
s. (Max) |
Cr | Ni | Mo | Other elements |
||||
| STS-201 | 201 | 0.15 | 1.00 | 5.50- 7.50 |
0.060 | 0.030 | 16.00-18.00 | 3.50- 5.50 |
N Max. 0.25 | Building and car construction | ||
| STS-202 | 202 | 0.15 | 1.00 | 7.50-10.00 | 0.060 | 0.030 | 17.00-19.00 | 4.00- 6.00 |
N Max. 0.25 | |||
| STS-302 | 302 | SUS301 | 0.15 | 1.00 | 2.00 | 0.040 | 0.030 | 16.00-18.00 | 6.00- 8.00 |
Building, food industry, refregerator, chemical industry and others |
||
| STS-302 | 302 | SUS302 | 0.15 | 1.00 | 2.00 | 0.040 | 0.030 | 17.00-19.00 | 8.00- 10.00 |
|||
| STS-302B | 302B |
0.25 |
1.00-1.50 | 2.00 | 0.040 | 0.030 | 18.00-20.00 | 8.00- 10.00 |
Fittings for boiler up to 1,100℃ temperatures. |
|||
| STS-303 | 303 |
0.15 |
1.00 | 2.00 | 0.200 | ≥0.15 | 17.00-19.00 | 8.00- 10.00 |
Max. 0.60 | Bolts and nuts. | ||
| STS-304 | 304 | SUS304 |
0.08 |
1.00 | 2.00 | 0.040 | 0.030 | 18.00-20.00 | 8.00- 10.00 |
Building, food industry, refregerator chemical industry and others. |
||
| STS-304L | 304L | SUS304l |
0.030 |
1.00 | 2.00 | 0.040 | 0.030 | 18.00-20.00 | 9.00- 13.00 |
|||
| STS-305 | 305 |
0.12 |
1.00 | 2.00 | 0.040 | 0.030 | 17.00-19.00 | 10.50-13.00 | ||||
| STS-309 | 309 | SUH309 |
0.20 |
1.00 | 2.00 | 0.040 | 0.030 | 22.00-24.00 | 12.00-15.00 | Fittings for boiler up to 1,000℃ temperatures. |
||
| STS-309S | 309S | SUH309S |
0.115 |
1.00 | 2.00 | 0.040 | 0.030 | 22.00-24.00 | 12.00-15.00 | Oil refinery equipment | ||
| STS-310 | 310 | SUH310 |
0.25 |
1.50 | 2.00 | 0.040 | 0.030 | 24.00-26.00 | 19.00-22.00 | Heating furnace. | ||
| STS-310S | 310S | SUS310 |
0.15 |
1.50 | 2.00 | 0.040 | 0.030 | 24.00-26.00 | 19.00-22.00 | Oil refinery equipment. | ||
| STS-314 | 314 |
0.25 |
1.50-3.00 | 2.00 | 0.040 | 0.030 | 23.00-26.00 | 19.00-22.00 | Heating furnace. | |||
| STS-316 | 316 | SUS316 |
0.08 |
1.00 | 2.00 | 0.040 | 0.030 | 16.00-18.00 | 10.00-14.00 | 2.00-3.00 | Pulp, textile, fertilizer and other chemical industries where sulphurous, sulphuric or phosphoric acid are use. |
|
| STS-316L | 316L | SUS316L |
0.030 |
1.00 | 2.00 | 0.040 | 0.030 | 16.00-18.00 | 12.00-16.00 | 2.00-3.00 | ||
| STS-317 | 317 |
0.08 |
1.00 | 2.00 | 0.040 | 0.030 | 18.00-20.00 | 11.00-15.00 | 3.00-4.00 | |||
| STS-321 | 321 | SUS321 |
0.08 |
1.00 | 2.00 | 0.040 | 0.030 | 17.00-20.00 | 9.00-13.00 | Ti Min, 5xC | Welded structures, heat resistance, chemical industry |
|
| STS-347 | 347 | SUS347 |
0.08 |
1.00 | 2.00 | 0.040 | 0.030 | 17.00-20.00 | 9.00-13.00 | Nb+Ta 10xC-1.25 |
||
| STS-403 | 403 | SUS403 |
0.10-0.15 |
0.50 | 0.25- 0.80 |
0.040 | 0.030 | 11.50-13.00 | Max. 0.50 | Ulensils or vessels for deep-drawing, pipes and tubes. |
||
| STS-405 | 405 | SUS405 |
0.08 |
1.00 | 1.00 | 0.040 | 0.030 | 11.50-14.50 | Max. 0.60 | AI 0.10-0.30 | Oil refinery equipment subject to welding. |
|
| STS-410 | 410 | SUS410 |
0.15 |
1.00 | 1.00 | 0.040 | 0.030 | 11.50-13.50 | Max. 0.60 | Ulensils or vessels for deep-drawing, pipes and tubes. |
||
| STS-420 | 420 | SUS420 |
0.16-0.20 |
0.60 | 1.00 | 0.040 | 0.030 | 12.00-14.00 | Max. 0.60 | Water turbine parts. Strength and anti-abrasion members of structures. |
||
| STS-430 | 430 | SUS430 |
0.12 |
0.75 | 1.00 | 0.040 | 0.030 | 16.00-18.00 | Max. 0.60 | Parts for elevators, cars, sinks and utensils. |
||
| STS-431 | 431 | SUS431 |
0.20 |
1.00 | 1.00 | 0.040 | 0.030 | 15.00-17.00 | 1.25-2.50 | Jordan, Beater edged tool. High tensile sheet. |
||
| STS-440A | 440A |
0.60-0.75 |
1.00 | 1.00 | 0.040 | 0.030 | 16.00-18.00 | Max. 0.75 | Cutlery, materials for high strength construction. |
|||
| STS-440B | 440B |
0.75-0.95 |
1.00 | 1.00 | 0.040 | 0.030 | 16.00-18.00 | Max. 0.75 | ||||
| STS-440C | 440C |
0.95-1.20 |
1.00 | 1.00 | 0.040 | 0.030 | 16.00-18.00 | Max. 0.75 | ||||
| STS-446 | 446 | SUH446 |
0.20 |
1.00 | 1.00 | 0.040 | 0.030 | 23.00-27.00 | Max. 0.60 | Scale resisting uses up to 1,100℃ |
||
| STS-501 | 501 |
0.15 |
1.00 | 1.00 | 0.040 | 0.030 | 4.00-6.00 | 0.40-0.65 | Heat resisting parts | |||
| STS-502 | 502 |
0.10 |
1.00 | 1.00 | 0.040 | 0.030 | 4.00-6.00 | 0.40-0.65 | ||||
