ST-WELD Type | Flux | Typical chemical composition % | Hardness | Microstructure | Machinability | Main properties and typical application(TA) |
ST-WELD825-S | ST-SF20 | C:0.01~0.05 Si:0.10~0.50 Mn:0.80~1.20 Cr: 18.00~22.00 Mo:7.50~9.00 Nb:2.70~3.00 Fe:2.00~4.00 Ni: rest | ———— | Austenite | ☆☆☆☆ | Deposited metal is Ni-based alloy 。 TA:chemical equipment。 |
ST-WELD865-S ST-WELD865-G | ST-SF20 ———— | C:0.60~1.00 Si:4.20~4.70 Mn:0.05~0.30 Cr: 13.00~15.00 B:1.50~3.50 Fe:4.00~5.00 Ni: rest | 54~58HRC | ———— | ———— | Deposited metal is Ni-based alloy 。 TA:mandril,guide plates,wear-resistant ring. |