氣體保護(hù)焊實(shí)芯焊絲

牌號(hào) 型號(hào) GB 焊絲化學(xué)成分（%） 熔敷金屬力學(xué)性能 特點(diǎn)與用途C Mn Si S P 其余 R

/R

MPa R

MPa A % A

JTHQ-50AER49-10.111.80/2.100.65/0.950.0300.030Cu0.5037249020常溫47焊接低碳鋼及部分低合金鋼結(jié)構(gòu)THQ-50C ER50-60.06/0.151.40/1.850.80/1.150.0250.025Cu0.5042050022-30℃27焊接低碳鋼及部分低合金鋼結(jié)構(gòu)THQ50-2ER50-20.070.90/1.400.40/0.700.0250.025Cu0.5042050022-30℃27焊接低碳鋼及500MPa低合金鋼結(jié)構(gòu)THQ50-3ER50-30.06/0.150.90/1.400.45/0.750.0250.025Cu0.5042050022-20℃27用于機(jī)械,船舶車輛等薄板工件高速焊接THQ50-GER50-G0.151.40/1.900.55/1.100.0300.030Ti+Zr0.30Cu0.5042050022-30℃47用于車輛,工程機(jī)械,船舶等結(jié)構(gòu)的平焊及平角焊THQ-G2SiER50-3(ISO14341-A-G384MG2Si)0.06/0.140.90/1.300.50/0.750.0250.025Ni0.15Mo0.1高等l0.02Cr0.15V0.03Cu0.35Ti+Zr0.1542054022-40℃78用于機(jī)械,建筑,船舶,車輛等薄板工件需要高速焊接的場合THQ-50CG3ER50-6(ISO14341-A-G423C/MG3Si1)0.06/0.141.40/1.600.80/1.000.0250.025420500/64022-30℃47用于機(jī)械,建筑,船舶,車輛,壓力容器等鋼結(jié)構(gòu)以及500MPa級(jí)碳鋼及低合金鋼結(jié)構(gòu)的焊接THQ-50CG4 ER50-6 (ISO14341-A-G383CG4Si1/G424MG4Si1) 0.06/ 0.14 1.60/ 1.85 0.80/ 1.15 0.025 0.025 420 500/ 600 22 -30℃ 47 (CO2)用于機(jī)械,建筑,船舶,車輛,壓力容器等鋼結(jié)構(gòu)以及500MPa級(jí)碳鋼及低合金鋼結(jié)構(gòu)的焊接THQ-60ER55-D2-Ti0.121.20/1.900.40/0.800.0250.025Ti0.20Cu0.50Mo0.20/0.50其它元素總量0.7047055017-30℃27適用于55-60公斤級(jí)高度度鋼焊接,如橋梁,壓力容器建筑等THQ-60C (例值)ER60-G0.091.580.750.0150.015Ni0.02Cu0.05Mo0.02Ti0.20V0.04Cr0.7052064024-30℃60用于煤礦機(jī)械,建筑,船舶,車輛等600Mpa級(jí)高度鋼結(jié)構(gòu)及低合金鋼的橋梁,車輛及壓力容器結(jié)構(gòu)的焊接THQ60-1ER60-G0.111.40/1.800.50/0.800.0250.025Ni0.60/1.50Mo0.30/0.60Cu0.50561(例值)669(例值)22(例值)-30℃54(例值)用于600Mpa級(jí)高度鋼結(jié)構(gòu)的焊接及工程機(jī)械,集裝箱,造船,車輛制造行業(yè)THQ-70C (例值)ER70-G0.071.750.600.0100.010Ni0.02Cu0.04Mo0.02Ti0.20V0.04Cr0.6067575821.6-30℃88用于煤礦機(jī)械,建筑船舶車輛等及700Mpa級(jí)高度鋼結(jié)構(gòu)及低合金鋼結(jié)構(gòu)的焊接THQ70-1ER70-G0.111.40/1.800.50/0.800.0250.025Ni1.20/1.55Mo0.30/0.60Cu0.50640(例值)750(例值)21(例值)-50℃74(例值)用于700Mpa級(jí)高度鋼結(jié)構(gòu)的焊接及工程機(jī)械,集裝箱,造船,車輛等制造業(yè)THQ70-3ER69-G0.121.25/1.800.40/0.800.0200.020Ni0.50/1.00Mo0.20/1.55Cu0.35690610/70016-20℃35用于煤礦機(jī)械,建筑船舶車輛等及700Mpa級(jí)高度鋼結(jié)構(gòu)及低合金鋼結(jié)構(gòu)的焊接THQ-80ER76-G0.101.25/1.800.40/0.800.0150.020Ni0.75/1.15Mo0.30/0.60Cu0.35660/74076018-20℃68用于Q690Mpa級(jí)高度鋼的焊接THQ80-1 (例值)ER80-G0.091.550.500.0100.012Ni1.30Mo0.50Cu0.02570082019-40℃72用于800Mpa級(jí)高度鋼結(jié)構(gòu)的焊接及工程機(jī)械,集裝箱,造船,車輛制造等行業(yè)THG-80 (例值)ER60-G0.041.360.470.0080.009Cr0.042Ni0.80Mo0.41Ti0.013Cu0.1063771322.6-10℃149-20℃145用于焊接AP151,X80及其它等同級(jí)別的管線鋼或其它結(jié)構(gòu)的焊接THG-100 (例值)ER70-G0.071.380.360.0110.20Cr0.32Ni1.43Mo0.42Cu0.1276483424-20℃94用于焊接AP151,X80及其它等同級(jí)別的管線鋼或其它結(jié)構(gòu)的焊接THQ-R55B2 (例值)ER55-B20.070.600.470.0100.016Cr1.38Ni0.08Mo0.52Cu0.1752063524.4—采用富氬氣體保護(hù),可廣泛用于工作溫度520℃以下Cr1.25%-Mo0.5%的耐候鋼THQ440-NQ-Ⅱ (例值)ER44-G0.081.190.540.0100.016Ni0.32Cu0.23Cr0.3136049028-40℃82用于450MPa級(jí)耐大氣腐蝕鋼的焊接THQ500-NQ-ⅡER50-G0.100.60/1.200.600.0200.025Ni0.20/0.60Cu0.20/0.50Cr0.30/0.9040050022-40℃60用于Q400NQR1及500MPa級(jí)耐大氣腐蝕鋼的焊接THQ550-NQ-ⅡER55-G0.101.20/1.600.600.0200.025Cu0.20/0.50Cr0.30/0.90Ni0.20/0.6045055022-40℃60用于Q450NQR1及550MPa級(jí)耐大氣腐蝕鋼的焊接THQ600-NQ-ⅡER60-G0.101.40/1.800.600.0200.025Cu0.20/0.50Cr0.30/0.90Ni0.20/0.8050060022-40℃60用于Q500NQR1及600MPa級(jí)耐大氣腐蝕鋼的焊接