Structar Pìoba stàilinn ròin airson às-mhalairt
tuairisgeul toraidh
Coitcheann:GB/T8162-2008
Ìre:20, 45, 20Mn, Q345B, Q345C, Q345D, 45Mn2, 27SiMn
Còd Lìbhrigeadh:Rolladh teth
Meud raon:OD 73MM-630MM, Tighead 4MM-35MM
Fulangas:A rèir GB/T8162-2008
Fad:Mar iarrtas
MTC:GB/T19001-2008
paramadair toraidh
Compostadh ceimigeach:
| Ìre | C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu |
| 20 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.030 | / | / | / | ≤0.25 | ≤0.30 | ≤0.25 |
| 45 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.030 | / | / | / | ≤0.25 | ≤0.30 | ≤0.25 |
| 20 Mn | 0.17-0.23 | 0.07-0.37 | 0.70-1.00 | ≤0.035 | ≤0.030 | / | / | / | ≤0.25 | ≤0.30 | ≤0.25 |
| Q345B | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.035 | ≤0.07 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 |
| Q345C | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.030 | ≤0.07 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 |
| Q345D | ≤0.18 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.025 | ≤0.025 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 |
| 45Mn2 | 0.42-0.49 | 0.17-0.37 | 1.40-1.80 | ≤0.035 | ≤0.035 | / | / | / | ≤0.25 | / | ≤0.25 |
| 27 SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | ≤0.035 | ≤0.035 | / | / | / | ≤0.30 | / | ≤0.20 |
Feartan meacanaigeach:
| Ìre | Co-dhèanamh ceimigeach | Neart Yeildmin Mpa | Neart tensile | Leudachadh | Deuchainn Buaidh | ||||||
| T ann am mm | Mpa | ||||||||||
| ≤16 | ＞ 16 ≤30 | mu 30 | ℃ | Buaidh/J | |||||||
| ≥ | |||||||||||
| 20 | / | / | / | / | 245 | 235 | 225 | ≥410 | ≥20 | - | - |
| 45 | / | / | / | / | 335 | 325 | 315 | ≥590 | ≥14 | - | - |
| 20 Mn | / | / | / | / | 275 | 265 | 255 | ≥450 | ≥20 | - | - |
| Q345B | ≤0.012 | ≤0.10 | / | / | 345 | 325 | 295 | 470-630 | ≥20 | 20 | 34 |
| Q345C | ≤0.012 | ≤0.10 | / | ≥0.015 | 345 | 325 | 295 | 470-630 | ≥21 | 0 | 34 |
| Q345D | ≤0.012 | ≤0.10 | / | ≥0.015 | 345 | 325 | 295 | 470-630 | ≥21 | -20 | 34 |
| 45Mn2 | / | ≤0.25 | / | / | 885 | ≥735 | ≥10 | - | - | ||
| 27 SiMn | / | ≤0.30 | / | / | 980 | ≥835 | ≥12 | - | - | ||
Taisbeanadh riochdachaidh:
Buannachd:
Tha stuth amh bho saothrachadh Top a tha a’ gealltainn càileachd àrd.
Bidh teicneòlas cruinn a’ dearbhadh an fhìor fhulangas meud.
Bheir sgioba reic èifeachdach moladh ceart dhut.
Tairgse sgioba às deidh reic agus taic airson gealltanas toraidh.
Smachd càileachd:
An t-seirbheis againn:
