低合金钢焊条

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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