Seamless Alloy Steel Tube
| CD | Cold Drawn Seamless | CFS | Cold Finished Seamless | HFS | Hot Finished Seamless |
|---|---|---|---|---|---|
| CDN | Cold Drawn, Condition N | CDA | Cold Drawn Annealed | HFHT | Hot Finished Heat Treated |
| CDHT | Cold Drawn Heat Treated | DOM | Drawn Over Mandrel | ||
| CDSR | Cold Drawn Stress Relieved | HRA | Hor Rolled Annealed |
Specifications
| Grade | Class | ASTM | MIL | AMS |
|---|---|---|---|---|
| 4130 | CDN | A-519 | T-6736 | 6360 |
| 4130 | CDSR | A-519 | – | – |
| 4130 | CFS.HFS | A-519 | – | 6371 |
| 4135 | CDN | A-519 | T-6735 | 6365 |
| 4135 | CDSR | A-519 | – | – |
| 4135 | CFS.HFS | A-519 | – | 6372 |
| 4140 | CDSR | A-519 | – | – |
| 4140.42 | CDA.HRA | A-519 | – | – |
| 4140 | CFS.HFS | A-519 | – | 6381 |
| 4140.42 | HFHT | A-519 | – | – |
| 4150 | CDHT | A-519 | – | – |
| 4340 | HRA | A-519 | – | – |
| 4340 | CFS.HFS | A-519 | – | 6415 |
| 4340 | HFHT | A-519 | – | – |
| 5130H | CFS | A-519 | – | – |
| 8615 | HFS | A-519 | – | – |
| 8617 | CFS | A-519 | – | – |
| 8620 | CFS | A-519 | – | – |
| 9310 | CFS | A-519 | – | – |
Properties
| Material Grade & Temper | Tensile K.S.I. | Yield K.S.I. | Elong % In “2” | Hard. B.H.N. |
|---|---|---|---|---|
| 4130 Normalized | 90 approx. | 70 approx. | 20 approx. | 187 approx. |
| 4130 Annealed | 80 approx. | 50 approx. | 30 approx. | 165 approx. |
| 4130 CDSR | 110 approx. | 95 approx. | 15 approx. | 228 approx. |
| 4130 Heat Treated | 125-180 | 100-165 | 8-12 | 250-355 |
| 4135 Normalized | 95 approx. | 80 approx. | 15 approx. | 197 approx. |
| 4135 Annealed | 85 max. | 55 approx. | 30 approx. | 174 approx. |
| 4135 CDSR | 125 approx. | 100 approx. | 10 approx. | 235 approx. |
| 4140/42 Annealed | 90 approx. | 65 approx. | 25 approx. | 197 approx. |
| 4140 CDSR | 120 approx. | 100approx. | 10 approx. | 245 approx. |
| 4140 Heat Treated | 140 approx. | 115 approx. | 16 approx. | 311 approx. |
| 4150 Heat Treated | 160 approx. | 130 approx. | 16 approx. | 346 approx. |
| 4340 Annealed | 110 approx. | 75 approx. | 20 approx. | 225 approx. |
| 4340 Heat Treated | 140 approx. | 115 approx. | 16 approx. | 311 approx. |
| 6820 Annealed | 78 approx. | 56 approx. | 29 approx. | 115 approx. |
