產(chǎn)品簡介：耐熱鋼在高溫下具有化學穩(wěn)定性和足夠的強度，并有抗氣蝕的能力。耐熱鋼焊條可分為珠光體鋼、馬氏體鋼、鐵素體鋼和奧氏體鋼焊條。珠光體耐熱鋼焊條一般焊前要預熱，焊后進行回火處理。
詳細描述
| 牌號\化學成分 | C | Mn | Si | Cr | Mo | V | W | Nb | Ni | S | P |
| R102 | ≤0.12 | ≤0.6 | ≤0.4 | 0.4-0.60 | ≤0.035 | ≤0.035 | |||||
| R107 | ≤0.12 | 0.5-0.9 | ≤0.5 | 0.4-0.65 | ≤0.035 | ≤0.035 | |||||
| R202 | ≤0.12 | 0.5-0.9 | ≤0.5 | 0.4-0.65 | 0.4-0.65 | ≤0.035 | ≤0.035 | ||||
| R207 | ≤0.12 | 0.5-0.9 | ≤0.5 | 0.4-0.65 | 0.4-0.65 | ≤0.035 | ≤0.035 | ||||
| R302 | ≤0.12 | ≤0.9 | ≤0.5 | 1-1.5 | 0.4-0.6 | ≤0.035 | ≤0.035 | ||||
| R307 | ≤0.12 | ≤0.9 | ≤0.5 | 0.8-1.2 | 0.4-0.65 | ≤0.035 | ≤0.035 | ||||
| R310 | ≤0.12 | ≤0.9 | ≤0.5 | 1-1.5 | 0.4-0.65 | 0.1-0.35 | ≤0.035 | ≤0.035 | |||
| R312 | ≤0.12 | ≤0.9 | ≤0.5 | 1-1.5 | 0.4-0.65 | 0.1-0.35 | ≤0.035 | ≤0.035 | |||
| R317 | ≤0.12 | 0.5-0.9 | ≤0.5 | 1-1.5 | 0.4-0.65 | 0.1-0.35 | ≤0.035 | ≤0.035 | |||
| R327 | ≤0.12 | 0.7-1.1 | ≤0.5 | 1-1.5 | 0.7-1.1 | 0.25-0.35 | 0.25-0.5 | ≤0.035 | ≤0.035 | ||
| R337 | ≤0.12 | 0.5-1.0 | ≤0.5 | 1-1.5 | 0.7-1 | 0.15-0.4 | 0.1-0.25 | ≤0.035 | ≤0.035 | ||
| R402 | ≤0.12 | ≤0.9 | ≤0.5 | 2-2.5 | 0.9-1.2 | ≤0.035 | ≤0.035 | ||||
| R407 | ≤0.12 | 0.5-0.9 | ≤0.5 | 2-2.5 | 0.9-1.2 | ≤0.035 | ≤0.035 | ||||
| R427 | ≤0.12 | 0.5-0.9 | ≤0.5 | 2.4-3 | 0.8-1.1 | 0.2-0.4 | 0.3-0.55 | 0.1-0.25 | ≤0.035 | ≤0.035 | |
| R507 | ≤0.12 | 0.5-0.9 | ≤0.5 | 4.5-6 | 0.4-0.7 | 0.1-0.35 | ≤0.035 | ≤0.035 | |||
| R707 | ≤0.15 | 0.5-1.0 | ≤0.5 | 8.5-10 | 0.7-1.0 | ≤0.035 | ≤0.035 | ||||
| R717 | ≤0.12 | 0.6-1.2 | ≤0.5 | 8-9.5 | 0.8-1.1 | 0.15-0.4 | 0.02-0.08 | 0.4-1.0 | ≤0.030 | ≤0.035 | |
| R807 | ≤0.15 | 0.5-1 | ≤0.5 | 9.5-11.5 | 0.6-0.9 | 0.2-0.4 | 0.6-0.9 | ≤0.030 | ≤0.035 | ||
| R817 | ≤0.19 | 0.5-1 | ≤0.5 | 9.5-12 | 0.8-1.1 | 0.2-0.4 | 0.4-0.7 | 0.4-1.1 | ≤0.030 | ≤0.035 |
