¡¡Grade | GB / T model | AWSmodel | ISO model | Application range |
¡¡ST-R417 | E5515-2CMVNb | - | 3580-B-E5515-G | Suitable for welding12Cr3MoVSiTiB type pearlite heat-resistant steelbelow 620 ¡æ |
¡¡ST-R407 | E6215-2C1M | E9015-B3 | 3580-B-E6215-2C1M | Primarily for the welding temperature of 550 deg.] Cor less CrMo pearlitic heat resistant steel |
¡¡ST-R347 | E5515-2CMWVB | - | 3580-B-E5515-G | Suitable welding temperature 620. deg.] Cor less CrMoVWB pearlitic heat resistant steel |
¡¡ST-R337 | E5515-1CMVNb | - | 3580-B-E5515-G | Suitable welding temperature 570 deg.] C or less CrMoVNb pearlitic heat resistant steel |
¡¡ST-R317B20 | E6215-G | - | - | It is mainly used for welding CrMoV pearlite heat-resisting steel whoseworking temperature is below 600 ¡æ |
¡¡ST-R317 | E5515-1CMV | - | 3580-B-E5515-G | Primarily for the welding temperature of 540. deg.] C or less CrMoV pearlitic heat resistant steel |
¡¡ST-R307 | E5515-1CM | - | 3580-B-E5515-1CM | Primarily for the welding temperature of 520. deg.] C or less CrMo pearlitic heat resistant steel |
¡¡ST-R207 | E5515-CM | - | 3580-B-E5515-CM | Primarily for the welding temperature of 510 deg.] Cor less CrMo pearlitic heat resistant steel |
¡¡ST-R202 | E5503-CM | - | - | Primarily for the welding temperature of 510 deg.] Cor less CrMo pearlitic heat resistant steel |
¡¡ST-R107 | E5015-1M3 | E7015-A1 | 3580-B-E4915-1M3 | Mainly used for welding working temperature below 510 ¡æ boiler pipe, such as 15Mo and so on |
¡¡ST-R106Fe | E5018-1M3 | E7018-A1 | 3580-B-E4918-1M3 | Mainly used for welding working temperature below 510 ¡æ boiler pipe, such as 15Mo and so on |
ST-R507 | E5515-5CMV | E8015-B6 | 3580-B-E5515-5CM | Suitable for welding working temperature below 400 ¡æ high temperature hydrogen corrosion resistant pipe |