Ffon
Anfon E-bost
Manyleb ffugio
| GOFIO | |||||
| Categori | Gradd | Manyleb | Safon weithredol | ||
| Trwch (mm) | Lled (mm) | Hyd (mm) | |||
| Dur Di-staen | 40Cr13/30Cr13 | ≥200 | 800 ~ 2000 | ≤4000 | GB/T 1220-2007 |
| Dur strwythur carbon o ansawdd | S45C/S50C/S55C | GB/T 699-2015 | |||
| Dur Strwythurol Alloy | 40Cr/42CrMo | GB/T 3077-2015 | |||
| Offeryn a dur llwydni | 5CrNiMo/P20/1.2311/718/1.2738 | GB/T 1299-2014 | |||
| 1.2312 | 800 ~ 1500 | ||||