Trosolwg o Pibellau Strwythur Pibellau Petroliwm
MAINT: 19-914MM*2—150MM
Categori cynnyrch | Gradd dur | Safonol | Cais |
Tiwbiau dur di-dor ar gyfer peirianneg fecanyddol a strwythur normal | 10.20.35.45.Q345.Q460.Q490.Q620 . | GB/T8162 | Tiwbiau dur di-dor ar gyfer cyfarpar ffitiadau pibellau piblinellau gweithgynhyrchu 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 cemegol:
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) | Cnwd (MPa) | Ymestyn (%) | Crebachu adran (/%) | Effaith (Aku2/J) | Gwerth caledwch effaith αkv(J/cm2) | Caledwch (HBS100/3000) |
12Cr1MoV | ≥490 | ≥245 | ≤22 | ≥50 | ≥71 | ≥88(9) | ≤179 |