结构钢焊条的统一牌号J350 J420G 4300 J421 E4341 J421 E4311 J421X 4313 J421Fe E4314 J421Fe13 E4324 J421Fe16 E4324 J421Fe18 E4324 J521Z E4324 J422 E4303 J422GM E4303 J422Fe E4303 J422Fe13 E4323 J422Fe16 E4323 J422Fe18 E4323 J422FeZ E4323 J422CrCu E4303 J422CrCuNi E4303 J422Y E4303 J423 E4301 J424 E4304 J424Fe14 E4327 J424Fe16 E4327 J424Fe18 E4327 J425 E4311 J426 E4316 J426DF E4316 J427 E4313 J427Ni E4315 J501Fe E5014 J501Fe15 E5024 J501Fe18 E5024 J501Z18 E5024 J502 J502Fe E5003 J502Fe15 E5023 J502Fe16 E5023 J502Fe18 E5023 J502CuP J502NiCu
421Fe、J422、J422Fe、J426、J427、J502、J506、J506Fe、J507、J507Fe、J507H低合金高强度结构钢焊条J506RH、J507RH、J507Ni、J556、J556RH、J557、J606、J606RH、J607、J607RH耐候钢及其它低合金耐候钢焊条J502NiCu、J502WCu、J502WCu、J506NiCu、J506WCu、J506Mo、J507MoNb
结构钢焊条普通焊条J420G.J421.J421Fe.J421X.J421Fe13.J421Fe16.J421Fe18.J421Z.J422.J422Y.
J422GM.J420Fe.J422Fe13.J422Fe16.J422Fe18.J422Z.J423.J424.J424Fe14
J424Fe16.J424Fe18.J425.J425G.J426.J426X.J426H.G426DF.J426Fe13.j427
J427X.J427Ni.J501Fe.J502.J502Fe.J503.J504Fe.J505.J505G.J505MoD.J506.
J506X.J506H.J506D.J506DF.J506GM.J506LMA.506Fe.J506Fe-1.J506R.J506RH
J506RK.J506Ni.J506FeNE.J507.J507H.J507X.J507D.J507DE.J507XG.J507Fe.
J507TiBLMA.J507R.J507NiTiB.J507GR.J507RH.J507FeNi.J555.J556.J556RH
J556XG.J556CuCrMo.J557.J557Mo.J557MoV.J501Fe15.J501Fe18.J501Z.J501Fe16
J502Fe18.J504Fe14.J506Fe16.J506Fe18.J507Fe16J606.J606RH.J607.J607Ni
J607RH.J707.J707Ni.J707RH.J707NiW.J757.J757NiJ807.J8O7RH.J857.J857Cr.
J857CrNi.J907.J907Cr.j107.J107Cr.J502Cup.J502NiCu.J502WCu.J502CuCrNi
J506WCu.J506NiCu.J506NiCrCu.J507NiCu.G507NiCuP.J507WCu.J507CuP.
J507SLA/B.J557SLA/B.J507Mo.J507MoNb.J507Mow.J507MoWNbB.
J420G.型号；E4300 用途;管道用全位置焊接，交直流两用，抗气孔性好。用于工作温度450°C.工作压力3.9-19MPa的高温。高压电站碳钢管道的焊接。
J421 型号；E4313 特征用途；交直流两用，可全位焊接，工业性能好，再引弧容易。用于焊接低碳钢机构，尤适于薄板小件及短焊缝的间断焊和要求表面光滑的盖面焊。
J421X.型号E4313 用途；立向下专用焊条，交直流两用，工艺性能好，成型美观，易脱渣。用于一般船用碳钢及镀锌钢焊接，尤其于薄板及间断焊。
J421Fe 型号E4313 特征和用途；***铁粉焊条，交直流两用，可全位焊接，工艺性能好。飞溅小，成型美观。再引弧容易。用于一般船用碳钢结构，尤其于薄板及间断焊和要求表面光滑的盖面焊。
J421Fe13 E4324 用途
结构钢焊条的统一牌号J350 J420G 4300 J421 E4341 J421 E4311 J421X 4313 J421Fe E4314 J421Fe13 E4324 J421Fe16 E4324 J421Fe18 E4324 J521Z E4324 J422 E4303 J422GM E4303 J422Fe E4303 J422Fe13 E4323 J422Fe16 E4323 J422Fe18 E4323 J422FeZ E4323 J422CrCu E4303 J422CrCuNi E4303 J422Y E4303 J423 E4301 J424 E4304 J424Fe14 E4327 J424Fe16 E4327 J424Fe18 E4327 J425 E4311 J426 E4316 J426DF E4316 J427 E4313 J427Ni E4315 J501Fe E5014 J501Fe15 E5024 J501Fe18 E5024 J501Z18 E5024 J502 J502Fe E5003 J502Fe15 E5023 J502Fe16 E5023 J502Fe18 E5023 J502CuP J502NiCu