低合金鋼焊條 產(chǎn)品簡介：低合金鋼焊條包括抗拉強(qiáng)度500MPa級(jí)以上的低合金高強(qiáng)鋼焊條，耐熱鋼焊條和低溫鋼焊條。低合金的焊接一般依鋼材的強(qiáng)度等級(jí)來選用相應(yīng)的焊條，對(duì)于碳鋼與低合金鋼或者低合金與低合金鋼之間的異種鋼焊接。一般選用與強(qiáng)度等級(jí)較低的鋼材相應(yīng)的焊接材料（焊條或焊絲）。 詳細(xì)描述 牌號(hào)化學(xué)成分CMnSiNiCrCuWMoVSP J502NiCu≤0.10.3-0.8≤0.30.2-0.50.2-0.30.15-0.4≤0.035≤0.035 J502WCu≤0.120.5-0.9≤0.30.2-0.50.2-0.5≤0.030≤0.030 J502CrNiCu≤0.10.45-0.75≤0.30.35-0.450.25-1.450.1-1.3≤0.030≤0.030 J506WCu≤0.120.6-1.2≤0.350.2-0.50.2-0.5≤0.030≤0.030 J506R≤0.1≤1.5≤0.5≤0.7≤0.030≤0.030 J506RH≤0.1≤1.6≤0.50.35-0.8≤0.025≤0.025 J506NiCu≤0.120.5-1.2≤0.70.2-0.50.2-0.4≤0.03≤0.035 J506NiCrCu≤0.10.45-1.0≤0.50.15-0.50.2-1.450.1-1.3≤0.03≤0.030 J507NiCu≤0.120.5-1.2≤0.70.2-0.50.2-0.4≤0.03≤0.035 J507WCu≤0.10.6-1.2≤0.350.2-0.5≤0.03≤0.030 J507RH≤0.12≤1.6≤0.50.3-0.8≤0.025≤0.025 J507Mo≤0.12≤0.9≤0.60.4-2≤0.2≤0.035≤0.035 J507MoW≤0.1≤0.8≤0.5Nb≤0.120.5-0.9≤0.2 J507CrNi≤0.10.5-0.80.3-0.50.2-0.50.5-0.80.2-0.50.2-0.5≤0.035≤0.035 J507FeNi≤0.080.8-1.3≤0.651.2-2.0≤0.030≤0.030 J606≤0.121.2-1.75≤0.60.25-0.45≤0.035≤0.035 J607RH≤0.1≥1.0≤0.80.6-1.20.5-0.90.1-0.4≤0.025≤0.025 J607Ni≤0.1≥1.0≤0.81.2-1.5≤0.03≤0.035 J707Ni≤0.1≥1.0≤0.61.8-2.2≤0.20.4-0.6≤0.03≤0.030 J857Cr≤0.15≥1.0≤0.60.2-1.10.5-1.0≤0.15≤0.035≤0.035 J857CrNi≤0.11.3-2.5≤0.61.75-2.50.3-1.50.3-0.55≤0.05≤0.03≤0.04 J907≤0.21.4-2.00.4-0.80.8-1.2≤0.035≤0.035 J907Cr≤0.15≥1.0≤0.80.7-1.10.5-1.00.05-0.15≤0.035≤0.035 J107≤0.2≥1.00.3-0.80.3-0.6≤0.035≤0.035 J107Cr≤0.15≥1.00.3-0.81.5-2.20.4-0.80.05-0.15≤0.035≤0.035