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时间:2019-11-27
《埋弧焊材料——焊丝、焊剂与选配》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、埋弧焊材料——焊丝、焊剂及选配表1国产焊丝标准化学成分(GB/T14957——1994)钢种牌号化学成分(质量分数)(%)CMnSiCrNiMoV其他SP用途≤碳素结构钢H08H08AH08EH08MnH08MnAH15AH15Mn≤0.03≤0.03≤0.03≤0.07≤0.07≤0.03≤0.07≤0.20≤0.20≤0.20≤0.20≤0.20≤0.20≤0.20≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30—————————————————————0.0400.0300.0250.0400.0300.0300.0400.0400.0300.0
2、250.0400.0300.0300.040-19-≤0.10≤0.10≤0.10≤0.10≤0.100.11~0.180.11~0.180.30~0.550.30~0.550.30~0.550.80~1.100.80~1.100.35~0.650.80~1.10用于碳素钢的电弧焊、气焊、埋弧焊、电渣焊和气体保护焊等合金结构钢H10Mn2H08Mn2SiH08Mn2SiAH10MnSiH10MnSiMoH10-19-MnSiMoTiAH08MnMoAH08Mn2MoAH10Mn2MoAH08Mn2MoVAH10Mn2MoVAH08CrMoAH13CrMoAH18CrMoAH
3、08CrMoVAH08CrNi2MoAH30CrMoSiAH10MoCrA≤0.12≤0.11≤0.11≤0.14≤0.140.08~0.12≤0.100.06~0.110.08~0.130.06~0.110.08~0.13≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30≤0.301.40~1.80≤0.30≤0.30—————Ti0.05~0.15Ti0.15(*)Ti0.15(*)Ti0.15(*)Ti0.15(*)Ti0.15(*)———————0.0400.0400.0300
4、.0300.0300.0250.0300.0300.0300.0300.0300.0300.0300.0250.0300.0250.0250.0300.0400.0400.0300.0400.0400.0300.0300.0300.0300.0300.0300.0300.0300.0300.0300.0250.0300.030-19-≤0.100.11~0.160.15~0.22≤0.100.05~0.100.25~0.350.10≤0.070.65~0.950.65~0.950.60~0.900.70~1.100.40~0.70≤0.25≤0.25≤0.40≤0.25≤0
5、.400.15~0.350.15~0.350.15~0.350.15~0.350.10~0.300.90~1.200.15~0.35≤0.20≤0.20≤0.20≤0.20≤0.20≤0.20≤0.20≤0.20≤0.20≤0.20≤0.200.80~1.100.80~1.100.80~1.101.00~1.300.70~1.000.80~1.100.45~0.65————0.15~0.250.20~0.400.30~0.500.50~0.700.60~0.800.50~0.700.60~0.800.40~0.600.40~0.600.15~0.250.50~0.700.2
6、0~0.40—0.40~0.60—————————0.06~0.120.60~0.12———0.15~0.35———-19-1.50~1.901.70~2.101.80~2.100.80~1.100.90~1.201.00~1.301.20~1.601.60~1.901.70~2.001.60~1.901.70~2.000.40~0.700.40~0.700.40~0.700.40~0.700.50~0.850.80~1.100.40~0.701.2.焊剂埋弧焊焊剂在焊接过程中起隔离空气、保护焊缝金属不受空气侵害和参与熔池金属冶金反应的作用。 (1)焊剂的分类埋弧焊焊
7、剂除按用途分为钢用焊剂和有色金属用焊剂外,通常按制造方法、化学成分、化学性质、颗粒结构等分类,如表6所示。-19-表6焊剂的分类(2)焊剂的型号和牌号的编制方法1)焊剂的型号-19-焊剂的型号是按照国家标准划分的,我国的现行GB5293—1999《埋弧焊用碳钢焊丝和焊剂》中规定:焊剂型号划分原则是依据埋弧焊焊缝金属的力学性能。 焊剂型号的表示方法如下: 尾部的“H×××”表示焊接试板时与焊剂匹配的焊丝牌号,按GBl300—1977《焊接用钢丝》的规定选用。
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