Technical Properties of Seamless Steel Pipes
| Seamless Steel Pipes | Chemical Properties | Physical Properties | ||||||||||
| No. | Quality | Standard | C | Si | Mn | P max | S max | Cr | Mo | lenghtening resistance(N/mm) | leaking resistance(N/mm) | Elongation(%1) |
| 1 | St37 | DIN1629 | max 0.17 | 0.04 | 0.04 | 350-480 | 235 | 25 | ||||
| 2 | St44 | DIN1629 | max 0.21 | 0.04 | 0.04 | 420-550 | 275 | 21 | ||||
| 3 | St52 | DIN1629 | max 0.22 | max 0.55 | max 1.6 | 0.04 | 0.035 | 500-650 | 355 | 21 | ||
| 4 | St37.4 | DIN1630 | max 0.17 | max 0.35 | max 0.35 | 0.04 | 0.04 | 350-480 | 235 | 25 | ||
| 5 | St44.4 | DIN1630 | max 0.2 | max 0.35 | max 0.4 | 0.04 | 0.04 | 420-550 | 275 | 21 | ||
| 6 | St52.4 | DIN1630 | max 0.22 | max 0.55 | max 1.6 | 0.04 | 0.035 | 500-650 | 355 | 21 | ||
| 7 | St45.8 | DIN17175 | max 0.21 | 0.10-0.35 | 0.40-1.20 | 0.04 | 0.04 | 410-530 | 255 | 21 | ||
| 8 | 17Mn4 | DIN17175 | 0.14-0.20 | 0.20-0.40 | 0.90-1.20 | 0.04 | 0.04 | 460-580 | 270 | 23 | ||
| 9 | 19Mn5 | DIN17175 | 0.17-0.22 | 0.30-0.60 | 1.00-1.30 | 0.04 | 0.04 | 510-610 | 310 | 19 | ||
| 10 | 15Mo3 | DIN17175 | 0.12-0.20 | 0.10-0.35 | 0.40-0.80 | 0.035 | 0.035 | 0.25-0.35 | 450-600 | 270 | 22 | |
| 11 | 13CrMo4 4 | DIN17175 | 0.10-0.18 | 0.10-0.35 | 0.40-0.70 | 0.035 | 0.035 | 0.70-1.10 | 0.45-0.65 | 440-590 | 290 | 22 |
| 12 | 10CrMo9 10 | DIN17175 | 0.08-0.15 | max 0.5 | 0.40-0.70 | 0.035 | 0.035 | 2.00-2.50 | 0.90-1.20 | 450-600 | 280 | 20 |
| 13 | St35.8 | DIN17175 | max 0.17 | 0.10-0.35 | 0.40-0.80 | 0.04 | 0.04 | 360-480 | 235 | 25 | ||
| 14 | St35 | DIN2391 | max 0.17 | max 0.35 | max 0.4 | 0.05 | 0.05 | 340-470 | 235 | 25 | ||
| 15 | St45 | DIN2391 | max 0.21 | max 0.35 | max 0.4 | 0.05 | 0.05 | 440-570 | 255 | 21 | ||
| 16 | St52 | DIN2391 | max 0.22 | max 0.55 | max 1.6 | 0.05 | 0.05 | 490-630 | 355 | 22 | ||
| 17 | Grade A | ASTMA A 53 | max 0.25 | max 0.95 | 0.05 | 0.06 | 330 | 205 | ||||
| 18 | Grade B | ASTMA A 53 | max 0.3 | max 1.2 | 0.05 | 0.06 | 415 | 240 | ||||
| 19 | Grade A | ASTMA A 106 | max 0.25 | max 0.1 | 0.27-0.93 | 0.025 | 0.025 | 330-470 | 205 | 35 | ||
| 20 | Grade B | ASTMA A 106 | max 0.3 | max 0.1 | 0.29-1.06 | 0.025 | 0.025 | 415-550 | 240 | 30 | ||
| 21 | Grade C | ASTMA A 106 | max 0.35 | max 0.1 | 0.29-1.06 | 0.025 | 0.025 | 485-620 | 275 | 30 | ||
| 22 | T1 | ASTMA A 161 | 0.10-0.20 | 0.10-0.50 | 0.30-0.80 | 0.045 | 0.045 | 0.44-0.65 | 379 | 207 | 30 | |
| 23 | Grade A | ASTMA A 179 | 0.06-0.18 | max 0.25 | 0.27-0.63 | 0.048 | 0.058 | 325 | 180 | 35 | ||
| 24 | Grade A | ASTMA A 192 | 0.06-0.18 | max 0.25 | 0.27-0.63 | 0.048 | 0.058 | 325 | 180 | 35 | ||
| 25 | T1 | ASTMA A 209 | 0.10-0.20 | 0.10-0.50 | 0.30-0.80 | 0.045 | 0.045 | 0.44-0.65 | 379 | 207 | 30 | |
| 26 | Grade A 1 | ASTMA A 210 | max 0.27 | max 0.1 | max 0.93 | 0.048 | 0.058 | 415-580 | 255 | 30 | ||
| 27 | Grade C | ASTMA A 210 | max 0.35 | max 0.1 | 0.29-1.06 | 0.048 | 0.058 | 485-620 | 275 | 30 | ||
| 28 | T11 | ASTMA A 213 | max 0.15 | 0.50-1.00 | 0.30-0.60 | 0.03 | 0.03 | 1.00-1.50 | 0.44-0.65 | 415-550 | 205 | 30 |
| 29 | T12 | ASTMA A 213 | max 0.15 | max 0.5 | 0.30-0.61 | 0.045 | 0.045 | 0.80-1.25 | 0.44-0.65 | 415-550 | 205 | 30 |
| 30 | T22 | ASTMA A 213 | max 0.15 | max 0.5 | 0.30-0.60 | 0.03 | 0.03 | 1.90-2.60 | 0.87-1.13 | 415-550 | 205 | 30 |
| 31 | P11 | ASTMA A 335 | max 0.15 | 0.50-1.00 | 0.30-0.60 | 0.025 | 0.025 | 1.00-1.50 | 0.44-0.65 | 415 | 205 | 30 |
| 32 | P12 | ASTMA A 335 | max 0.15 | max 0.5 | 0.30-0.61 | 0.025 | 0.025 | 0.80-1.25 | 0.44-0.65 | 415 | 205 | 30 |
| 33 | P22 | ASTMA A 335 | max 0.15 | max 0.5 | 0.30-0.60 | 0.025 | 0.025 | 1.90-2.60 | 0.87-1.13 | 415 | 205 | 30 |
| 34 | Fe37 | TS 346 | max 0.17 | 0.04 | 0.04 | 350-480 | 235 | 25 | ||||
| 35 | Fe45.2 | TS 302 | max 0.25 | 0.05 | 0.05 | 440-540 | 225 | 21 | ||||
| 36 | Fe45.8 | TS 381 | max 0.21 | 0.10-0.35 | 0.40-1.20 | 0.04 | 0.04 | 410-530 | 255 | 21 | ||