Contact us on usa@langleyalloys.com to request a quote
Sales hotline: +1 800 878 3675
通过生产Ferralium® 255 – SD50来完善我们领先的超级双相不锈钢系列。 通过将焊丝与镍进行过合金化来维持正确的（奥氏体/铁素体）相平衡，细致的焊丝成分配方可确保实现最佳的焊接强度和耐腐蚀性组合。
| Cr | Ni | Mo | Co | Nb (+Ta) | Ti | V | W | Cu | C | Mn | N | Si | P | S | Fe | Al | |
| Min | 24 | 6.5 | 2.9 | 1.5 | 0.5 | 0.1 | 0.3 | ||||||||||
| Max | 27 | 8.5 | 3.9 | 2.5 | 0.06 | 1.5 | 0.25 | 0.7 | 0.04 | 0.03 |
| Minimum | Typical | |
| Tensile strength, N/mm2 (ksi) | 750 (109) | 940 (136) |
| 0.2% Yield strength, N/mm2 (ksi) | 550 (80) | 760 (110) |
| Elongation 5.65√So, % | 20 | 24 |
| Hardness (Vickers) | 300 | |
| Impact strength @ -46oC (-50F), J (ft-lb) | 45 (33) | 70 (52) |
| Welding process | Weld wire diameter | Product form |
| GTAW | 1.6mm (1/16”) | Bare wire cut in 1m (39.4”) lengths, in tube packs of 5.0kg. |
| 2.4mm (3/32”) | Individually coin stamped at one end with FER 255-SD50. | |
| 3.2mm (1/8”) | Batch number printed on labels. | |
| GMAW | 1.2mm (3/64”) | Wound on spools (DIN 300 standard) of 12.5kg weight |
| Labelled and marked with FERRALIUM 255-SD50. |
Worldwide Delivery Available
We can offer air, sea and road freight shipping options, with choice of packaging, to deliver to customers globally.
Inventory Management
Let us manage your total material requirements with call-off and consignment arrangements.
Up to 40 sizes per alloy available
More sizes equal less machining and a more cost-effective supply chain.
