Buttweld Fittings - STAINLESS STEEL BUTTWELD FITTINGS
Specification of Stainless Steel Buttweld Fittings
| Grades | Stainless Steel 303/304/ 304L/ 304H/316/ 316L/ 317/ 317L/ 321/ 310/ 347/ 904L |
|---|---|
| Specifications | ASTM A403 / ASME SA403 |
| Size | ½" NB - 48" NB |
| Schedule | SCH 5 TO SCH XXS. |
| Form | Seamless / ERW / Welded / Fabricated |
Chemical Composition of Stainless Steel Buttweld Fittings
| Classification | Specification | Chemical Composition | other | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| JIS | AISI | C | Si | Mn | P | S | Ni | Cr | Mo | Cu | N | |||
| Martensitic Grades | SUS403 | 403 | Max.0.15 | Max.0.50 | Max.1.00 | Max.0.040 | Max.0.030 | -1 | 11.50~13.00 | - | - | - | - | |
| SUS410 | 410 | Max.0.15 | Max.1.00 | Max.1.00 | Max.0.040 | Max.0.030 | -1 | 11.50~13.50 | - | - | - | - | ||
| SUS410J1 | - | 0.08~0.18 | Max.0.60 | Max.1.00 | Max.0.040 | Max.0.030 | -1 | 11.50~14.00 | 0.30~0.60 | - | - | - | ||
| SUS410F2 | - | Max.0.15 | Max.1.00 | Max.1.00 | Max.0.040 | Max.0.030 | -1 | 11.50~13.50 | - | - | - | Pb 0.05˜0.30 | ||
| SUS416 | 416 | Max.0.15 | Max.1.00 | Max.1.25 | Max.0.060 | Min.0.15 | -1 | 12.00~14.00 | -2 | - | - | - | ||
| SUS420J1 | 420 | 0.16~0.25 | Max.1.00 | Max.1.00 | Max.0.040 | Max.0.030 | -1 | 12.00~14.00 | - | - | - | - | ||
| SUS420J2 | 420 | 0.26~0.40 | Max.1.00 | Max.1.00 | Max.0.040 | Max.0.030 | -1 | 12.00~14.00 | - | - | - | - | ||
| SUS420F | 420F | 0.26~0.40 | Max.1.00 | Max.1.25 | Max.0.060 | Min.0.15 | -1 | 12.00~14.00 | -2 | - | - | - | ||
| SUS420F2 | - | 0.26~0.40 | Max.1.00 | Max.1.00 | Max.0.040 | Max.0.030 | -1 | 12.00~14.00 | - | - | - | Pb 0.05~0.30 | ||
| SUS431 | 431 | Max.0.20 | Max.1.00 | Max.1.00 | Max.0.040 | Max.0.030 | 1.25~2.50 | 15.00~17.00 | - | - | - | - | ||
| SUS440A | 440A | 0.60~0.75 | Max.1.00 | Max.1.00 | Max.0.040 | Max.0.030 | -1 | 16.00~18.00 | -3 | - | - | - | ||
| SUS440B | 440B | 0.75~0.95 | Max.1.00 | Max.1.00 | Max.0.040 | Max.0.030 | -1 | 16.00~18.00 | -3 | - | - | - | ||
| SUS440C | 440C | 0.95~1.20 | Max.1.00 | Max.1.00 | Max.0.040 | Max.0.030 | -1 | 16.00~18.00 | -3 | - | - | - | ||
| SUS440F | S44020 | 0.95~1.20 | Max.1.00 | Max.1.25 | Max.0.060 | Min.0.15 | -1 | 16.00~18.00 | -3 | - | - | - | ||
| Ferritic Grades | SUS405 | 405 | Max.0.08 | Max.1.00 | Max.1.00 | Max.0.040 | Max.0.030 | - | 11.50~14.50 | - | - | - | Al 0.10~0.30 | |
| SUS410L | - | Max.0.03 | Max.1.00 | Max.1.00 | Max.0.040 | Max.0.030 | - | 11.00~13.50 | - | - | - | - | ||
| SUS430 | 430 | Max.0.12 | Max.0.75 | Max.1.00 | Max.0.040 | Max.0.030 | - | 16.00~18.00 | - | - | - | - | ||
| SUS430F | 430F | Max.0.12 | Max.1.00 | Max.1.25 | Max.0.060 | Min.0.15 | - | 16.00~18.00 | -2 | - | - | - | ||
| SUS434 | 434 | Max.0.12 | Max.1.00 | Max.1.00 | Max.0.040 | Max.0.030 | - | 16.00~18.00 | 0.75~1.25 | - | - | - | ||
| SUS447J1 | - | Max.0.01 | Max.0.40 | Max.0.40 | Max.0.030 | Max.0.020 | - | 28.50~32.00 | 1.50~2.50 | - | Max.0.015 | - | ||
| SUSXM27 | - | Max.0.01 | Max.0.40 | Max.0.40 | Max.0.030 | Max.0.020 | - | 25.00~27.50 | 0.75~1.50 | - | Max.0.015 | - | ||
| Austenitic Ferritic Grades | SUS329J1 | 329 | Max.0.08 | Max.1.00 | Max.1.50 | Max.0.040 | Max.0.030 | 3.00~6.00 | 23.00~28.00 | 1.00~3.00 | - | - | - | |
| SUS329J3L | S31803 | Max.0.03 | Max.1.00 | Max.2.00 | Max.0.040 | Max.0.030 | 4.50~6.50 | 21.00~24.00 | 2.50~3.50 | - | 0.08~0.20 | - | ||
| SUS329J4L | S31260 | Max.0.03 | Max.1.00 | Max.1.50 | Max.0.040 | Max.0.030 | 5.50~7.50 | 24.00~26.00 | 2.50~3.50 | - | 0.08~0.30 | - | ||
| Austenitic Grades | SUS201 | 201 | Max.0.15 | Max.1.00 | 5.50~7.50 | Max.0.060 | Max.0.030 | 3.50~5.50 | 16.00~18.00 | - | - | 0.25?? | - | |
| SUS202 | 202 | Max.0.15 | Max.1.00 | 7.50~10.00 | Max.0.060 | Max.0.030 | 4.00~6.00 | 17.00~19.00 | - | - | Max.0.25 | - | ||
| SUS301 | 301 | Max.0.15 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 6.00~8.00 | 16.00~18.00 | - | - | - | - | ||
| SUS302 | 302 | Max.0.15 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 8.00~10.00 | 17.00~19.00 | - | - | - | - | ||
| SUS303 | 303 | Max.0.15 | Max.1.00 | Max.2.00 | Max.0.200 | Min.0.15 | 8.00~10.00 | 17.00~19.00 | -2 | - | - | - | ||
| SUS303Se | 303Se | Max.0.15 | Max.1.00 | Max.2.00 | Max.0.200 | Max.0.060 | 8.00~10.00 | 17.00~19.00 | - | - | - | Se Min.0.15 | ||
| SUS303Cu | - | Max.0.15 | Max.1.00 | Max.3.00 | Max.0.200 | Min.0.15 | 8.00~10.00 | 17.00~19.00 | -2 | 1.50~3.50 | - | - | ||
| SUS304 | 304 | Max.0.08 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 8.00~10.50 | 18.00~20.00 | - | - | - | - | ||
| SUS304L | 304L | Max.0.03 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 9.00~13.00 | 18.00~20.00 | - | - | - | - | ||
| SUS304N1 | 304N | Max.0.08 | Max.1.00 | Max.2.50 | Max.0.045 | Max.0.030 | 7.00~10.50 | 18.00~20.00 | - | - | 0.10~0.25 | - | ||
| SUS304N2 | - | Max.0.08 | Max.1.00 | Max.2.50 | Max.0.045 | Max.0.030 | 7.50~10.50 | 18.00~20.00 | - | - | 0.15~0.30 | Nb Max.0.15 | ||
| SUS304LN | 304LN | Max.0.03 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 8.50~11.50 | 17.00~19.00 | - | - | 0.12~0.22 | - | ||
| SUS304J3 | - | Max.0.08 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 8.00~10.50 | 17.00~19.00 | - | 1.00~3.00 | - | - | ||
| SUS305 | 305 | Max.0.12 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 10.50~13.00 | 17.00~19.00 | - | - | - | - | ||
| SUS309S | 309S | Max.0.08 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 12.00~15.00 | 22.00~24.00 | - | - | - | - | ||
| SUS310S | 310S | Max.0.08 | Max.1.50 | Max.2.00 | Max.0.045 | Max.0.030 | 19.00~22.00 | 24.00~26.00 | - | - | - | - | ||
| SUS316 | 316 | Max.0.08 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | - | - | - | ||
| SUS316L | 316L | Max.0.03 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 12.00~15.00 | 16.00~18.00 | 2.00~3.00 | - | - | - | ||
| SUS316N | 316N | Max.0.08 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | - | 0.10~0.22 | - | ||
| SUS316LN | 316LN | Max.0.03 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 10.50~14.50 | 16.50~18.50 | 2.00~3.00 | - | 0.12~0.22 | - | ||
| SUS316Ti | - | Max.0.08 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | - | - | Ti Min.5xC% | ||
| SUS316J1 | - | Max.0.08 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 10.00~14.00 | 17.00~19.00 | 1.20~2.75 | 1.00~2.50 | - | - | ||
| SUS316J1L | - | Max.0.03 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 12.00~16.00 | 17.00~19.00 | 1.20~2.75 | 1.00~2.50 | - | - | ||
| SUS316F | - | Max.0.08 | Max.1.00 | Max.2.00 | Max.0.045 | Min.0.10 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | - | - | - | ||
| SUS317 | 317 | Max.0.08 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 11.00~15.00 | 18.00~20.00 | 3.00~4.00 | - | - | - | ||
| SUS317L | 317L | Max.0.03 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 11.00~15.00 | 18.00~20.00 | 3.00~4.00 | - | - | - | ||
| SUS317LN | - | Max.0.03 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 11.00~15.00 | 18.00~20.00 | 3.00~4.00 | - | 0.10~0.22 | - | ||
| SUS317J1 | - | Max.0.04 | Max.1.00 | Max.2.50 | Max.0.045 | Max.0.030 | 15.00~17.00 | 16.00~19.00 | 4.00~6.00 | - | - | - | ||
| SUS836L | - | Max.0.03 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 24.00~26.00 | 19.00~24.00 | 5.00~7.00 | - | Max.0.25 | - | ||
| SUS890L | - | Max.0.02 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 23.00~28.00 | 19.00~23.00 | 4.00~5.00 | 1.00~2.00 | - | - | ||
| SUS321 | 321 | Max.0.08 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 9.00~13.00 | 17.00~19.00 | - | - | - | Ti Min.5xC% | ||
| SUS347 | 347 | Max.0.08 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 9.00~13.00 | 17.00~19.00 | - | - | - | Nb Min.10xC% | ||
| SUSXM7 | 304Cu | Max.0.08 | Max.1.00 | Max.2.00 | Max.0.045 | Max.0.030 | 8.50~10.50 | 17.00~19.00 | - | 3.00~4.00 | - | - | ||
| SUSXM15J1 | - | Max.0.08 | 3.00~5.00 | Max.2.00 | Max.0.045 | Max.0.030 | 11.50~15.00 | 15.00~20.00 | - | - | - | - | ||
| Precipitation Hardening Grades | SUS630 | S17400 | Max.0.07 | Max.1.00 | Max.1.00 | Max.0.040 | Max.0.030 | 3.00~5.00 | 15.00~17.50 | - | 3.00~5.00 | - | Nb 0.15~0.45 | |
| SUS631 | S17700 | Max.0.09 | Max.1.00 | Max.1.00 | Max.0.040 | Max.0.030 | 6.50~7.75 | 16.00~18.00 | - | - | - | Al 0.75~1.50 |
Mechanical Properties of Stainless Steel Buttweld Fittings
| Type | UNS | Tensile | Yield | Elongation | Hardness | Hardness |
|---|---|---|---|---|---|---|
| (ksi) min | (ksi) min | min | (Brinell) max | (Rockwell B) max | ||
| 302 | S30200 | 75 | 30 | 40% in 2" | 183 | 88 |
| 304* | S30400 | 75 | 30 | 40% in 2" | 183 | 88 |
| 304L* | S30403 | 70 | 30 | 40% in 2" | 183 | 88 |
| 309 | S30900 | 75 | 30 | 40% in 2" | 217 | 95 |
| 309S | S30908 | 75 | 30 | 40% in 2" | 217 | 95 |
| 310 | S31000 | 75 | 30 | 40% in 2" | 217 | 95 |
| 310S | S31008 | 75 | 30 | 40% in 2" | 217 | 95 |
| 316* | S31600 | 75 | 30 | 40% in 2" | 217 | 95 |
| 316L* | S31603 | 70 | 25 | 35% in 2" | 217 | 95 |
| 317 | S31700 | 75 | 30 | 35% in 2" | 217 | 95 |
| 317L | S31703 | 75 | 30 | 35% in 2" | 217 | 95 |
| 321 | S32100 | 75 | 30 | 40% in 2" | 183 | 88 |
| 347 | S34700 | 75 | 30 | 40% in 2" | 183 | 88 |
| 410* | S41000 | 65 | 30 | 20% in 2" | 217 | 95 |
| 410S | S41008 | 60 | 30 | 22% in 2" | 183 | 88 |
| 416 | S41600 | 75 | 40 | 30-25% in 2" | - | 82 |
| 420 | S42000 | 95 | 60 | 30-25% in 2" | - | 92 |
| 430 | S43000 | 65 | 30 | 22% in 2" | 183 | 88 |
| 440C | S44004 | - | - | - | - | - |
Types of Stainless Steel Buttweld Fittings
| Stainless Steel Reducers | Stainless Steel Concentric Reducers | Stainless Steel Tees |
|---|---|---|
| Stainless Steel Weldolet | Stainless Steel Short Stub End | Stainless Steel Eccentric Reducers |
| Stainless Steel Elbows | Stainless Steel 3D Elbow | Stainless Steel Lap Joint Stub End |
| Stainless Steel End Caps | Stainless Steel 5D Elbow | Stainless Steel 180° SR Return Bends |
| Stainless Steel Elbows | Stainless Steel Short Radius Elbow | Stainless Steel 45° Elbows |
| Stainless Steel Reducing Elbow | Stainless Steel Long Radius Elbow | Stainless Steel 180° LR Return Bends |
| Stainless Steel 45° Elbows | Stainless Steel Equal Tee | Stainless Steel UnEqual Tee |
| Stainless Steel Reducing Tee | Stainless Steel 1D Elbow | Stainless Steel 1.5D Elbow |
| Stainless Steel Long Stub Ends | Stainless Steel 2D Elbow | Stainless Steel 6D Elbow |