Trosolwg o Bibellau Strwythur Pibellau Petrolewm
MAINT: 19—914MM * 2—150MM
| Categori cynnyrch | Gradd dur | Safonol | Cais |
| Tiwbiau dur di-dor ar gyfer peirianneg fecanyddol a strwythur arferol | 10.20.35.45.Q345.Q460.Q490.Q620. | GB/T8162 | Tiwbiau dur di-dor ar gyfer piblinellau gweithgynhyrchu, offer ffitiadau pibellau a strwythurau mecanyddol |
| 42CrMo.35CrMo.42CrMo.40CrNiMoA.12cr1MoV | |||
| 1018.1026.8620.4130.4140 | ASTM A519 | ||
| S235JRH. S273J0H. S275J2H. S355J0H. S355NLH.S355J2H | EN10210 | ||
| A53A.A53B.SA53A.SA53B | ASTM A53/ASME SA53 |
Nodyn: Gellir darparu maint arall hefyd ar ôl ymgynghori â chwsmeriaid
Cydran Gemegol:
| gradd | C | Si | Mn | Mo | Cr | V |
| 12Cr1MoV | 0.08~0.15 | 0.17~0.37 | 0.40~0.70 | 0.25~0.35 | 0.90~1.20 | 0.15~0.30 |
Priodweddau mecanyddol:：
| gradd | Tynnol (MPa) | Cynnyrch (MPa) | Ymestyn (%) | Crebachu adran （ψ/%） | Effaith (Aku2/J) | Gwerth caledwch effaith αkv(J/cm2) | Caledwch (HBS100/3000) |
| 12Cr1MoV | ≥490 | ≥245 | ≤22 | ≥50 | ≥71 | ≥88(9) | ≤179 |
