产品简介：低合金钢焊条包括抗拉强度500MPa级以上的低合金高强钢焊条，耐热钢焊条和低温钢焊条。低合金的焊接一般依钢材的强度等级来选用相应的焊条，对于碳钢与低合金钢或者低合金与低合金钢之间的异种钢焊接。一般选用与强度等级较低的钢材相应的焊接材料（焊条或焊丝）。
| 牌号\化学成分 | C | Mn | Si | Ni | Cr | Cu | W | Mo | V | S | P |
| J502NiCu | ≤0.1 | 0.3-0.8 | ≤0.3 | 0.2-0.5 | 0.2-0.3 | 0.15-0.4 | ≤0.035 | ≤0.035 | |||
| J502WCu | ≤0.12 | 0.5-0.9 | ≤0.3 | 0.2-0.5 | 0.2-0.5 | ≤0.030 | ≤0.030 | ||||
| J502CrNiCu | ≤0.1 | 0.45-0.75 | ≤0.3 | 0.35-0.45 | 0.25-1.45 | 0.1-1.3 | ≤0.030 | ≤0.030 | |||
| J506WCu | ≤0.12 | 0.6-1.2 | ≤0.35 | 0.2-0.5 | 0.2-0.5 | ≤0.030 | ≤0.030 | ||||
| J506R | ≤0.1 | ≤1.5 | ≤0.5 | ≤0.7 | ≤0.030 | ≤0.030 | |||||
| J506RH | ≤0.1 | ≤1.6 | ≤0.5 | 0.35-0.8 | ≤0.025 | ≤0.025 | |||||
| J506NiCu | ≤0.12 | 0.5-1.2 | ≤0.7 | 0.2-0.5 | 0.2-0.4 | ≤0.03 | ≤0.035 | ||||
| J506NiCrCu | ≤0.1 | 0.45-1.0 | ≤0.5 | 0.15-0.5 | 0.2-1.45 | 0.1-1.3 | ≤0.03 | ≤0.030 | |||
| J507NiCu | ≤0.12 | 0.5-1.2 | ≤0.7 | 0.2-0.5 | 0.2-0.4 | ≤0.03 | ≤0.035 | ||||
| J507WCu | ≤0.1 | 0.6-1.2 | ≤0.35 | 0.2-0.5 | ≤0.03 | ≤0.030 | |||||
| J507RH | ≤0.12 | ≤1.6 | ≤0.5 | 0.3-0.8 | ≤0.025 | ≤0.025 | |||||
| J507Mo | ≤0.12 | ≤0.9 | ≤0.6 | 0.4-2 | ≤0.2 | ≤0.035 | ≤0.035 | ||||
| J507MoW | ≤0.1 | ≤0.8 | ≤0.5 | Nb≤0.12 | 0.5-0.9 | ≤0.2 | |||||
| J507CrNi | ≤0.1 | 0.5-0.8 | 0.3-0.5 | 0.2-0.5 | 0.5-0.8 | 0.2-0.5 | 0.2-0.5 | ≤0.035 | ≤0.035 | ||
| J507FeNi | ≤0.08 | 0.8-1.3 | ≤0.65 | 1.2-2.0 | ≤0.030 | ≤0.030 | |||||
| J606 | ≤0.12 | 1.2-1.75 | ≤0.6 | 0.25-0.45 | ≤0.035 | ≤0.035 | |||||
| J607RH | ≤0.1 | ≥1.0 | ≤0.8 | 0.6-1.2 | 0.5-0.9 | 0.1-0.4 | ≤0.025 | ≤0.025 | |||
| J607Ni | ≤0.1 | ≥1.0 | ≤0.8 | 1.2-1.5 | ≤0.03 | ≤0.035 | |||||
| J707Ni | ≤0.1 | ≥1.0 | ≤0.6 | 1.8-2.2 | ≤0.2 | 0.4-0.6 | ≤0.03 | ≤0.030 | |||
| J857Cr | ≤0.15 | ≥1.0 | ≤0.6 | 0.2-1.1 | 0.5-1.0 | ≤0.15 | ≤0.035 | ≤0.035 | |||
| J857CrNi | ≤0.1 | 1.3-2.5 | ≤0.6 | 1.75-2.5 | 0.3-1.5 | 0.3-0.55 | ≤0.05 | ≤0.03 | ≤0.04 | ||
| J907 | ≤0.2 | 1.4-2.0 | 0.4-0.8 | 0.8-1.2 | ≤0.035 | ≤0.035 | |||||
| J907Cr | ≤0.15 | ≥1.0 | ≤0.8 | 0.7-1.1 | 0.5-1.0 | 0.05-0.15 | ≤0.035 | ≤0.035 | |||
| J107 | ≤0.2 | ≥1.0 | 0.3-0.8 | 0.3-0.6 | ≤0.035 | ≤0.035 | |||||
| J107Cr | ≤0.15 | ≥1.0 | 0.3-0.8 | 1.5-2.2 | 0.4-0.8 | 0.05-0.15 | ≤0.035 | ≤0.035 |
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