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1、焊條牌號標準型號GB/T5117AWS.A5.1主要用途及特點熔敷金屬化學成分(%)及力學性能J422CuCrNiE4303耐候鋼專用焊條,用于09CrP、09CuPRe09CuCrNi等耐候鋼焊接,具有良好的耐大氣腐蝕性能C≤0.12Mn0.40Si0.20S≤0.035P≤0.040Cr≤0.60Cu0.40Ni≤0.5σb≥420MPaσs≥330MPaδ5≥22%AKV≥27J(0℃)??J423E4301可焊接較重要的低碳鋼結(jié)構(gòu)C≤0.12Mn0.40Si0.16S≤0.035P≤0.040σb≥420MPaσs≥330MPaδ5≥22%AKV
2、≥47J(0℃)J425E4311用于低碳鋼薄板結(jié)構(gòu)的立向下焊專用焊條C≤0.20Mn0.40Si0.25S≤0.03P≤0.040σb≥420MPaσs≥330MPaδ5≥22%AKV≥27J(-30℃)J426E4316用于重要的低碳鋼和低合金鋼的結(jié)構(gòu)焊接,如09Mn2等。可交直流兩用C≤0.12Mn1.25Si≤0.90S≤0.035P≤0.040σb≥420MPaσs≥330MPaδ5≥22%AKV≥47J(-30℃)J427E4315用于重要的低碳鋼和低合金鋼的結(jié)構(gòu)焊接,如09Mn2等,僅限用直流施焊C≤0.12Mn≤1.25Si≤0.90S≤
3、0.035P≤0.040σb≥420MPaσs≥330MPaδ5≥22%AKV≥47J(-30℃)J502E5003鈦鈣型藥皮的碳鋼焊條,可交直流兩用,主要用于16Mn等低合金鋼結(jié)構(gòu)的焊接C≤0.12Mn0.70Si0.25S≤0.035P≤0.040σb≥490MPaσs≥410MPaδ5≥20%AKV≥27J(0℃)J50216E5023焊接16Mn等相應強度的低合金鋼結(jié)構(gòu)C≤0.12Mn0.80Si0.25S≤0.035P≤0.040σb≥490MPaσs≥410MPaδ5≥22%AKV≥27J(0℃)J505E5011用于碳鋼和低合金鋼結(jié)構(gòu)的立向
4、下焊接C≤0.12Mn0.50Si0.18S≤0.035P≤0.040σb≥490MPaσs≥410MPaδ5≥22%AKV≥27J(-30℃)J506E5016用于中碳和低合金重要結(jié)構(gòu)的焊接,可交直流兩用C≤0.12Mn1.2Si0.40S≤0.035P≤0.040σb≥490MPaσs≥410MPaδ5≥22%AKV≥47J(-30℃)J506FeE5018熔敷效率≥130%,用于中碳和低合金重要結(jié)構(gòu)的焊接C≤0.12Mn1.3Si0.40S≤0.035P≤0.040σb≥490MPaσs≥410MPaδ5≥22%AKV≥47J(-30℃)焊條牌號標
5、準型號GB/T5117AWS.A5.1主要用途及特點熔敷金屬化學成分(%)及力學性能純鐵焊條--以微碳純鐵為焊芯的純鐵焊條。具有抗高溫氫、氮、氨腐蝕能力??沽研阅芰己茫绷鞣唇?,可作要求抗裂而不要求等強度的焊接或過渡層。C≤0.04Mn+Si≤1.0S≤0.03P≤0.03?J350/J357--以微碳純鐵為焊芯的純鐵焊條。具有抗高溫氫、氮、氨腐蝕能力??沽研阅芰己?,直流反接,專用于微碳純鐵氨合成塔內(nèi)件的焊接,也可作要求抗裂而不要求等強度的焊接或過渡層。C≤0.04Mn0.20/0.50Si0.20/0.50Al≤0.05S≤0.015P≤0.015σb
6、≥340MPaδ5≥22%AKV≥80J(常溫)??J421E4313E6013焊接低碳鋼結(jié)構(gòu),焊接工藝性能優(yōu)良,尤其適宜薄板小件間斷焊和表面光潔的蓋面焊。C≤0.07Mn≤0.40Si≤0.20S≤0.035P≤0.040σb≥420MPaσs≥330MPaδ5≥17%AKV≥75J(常溫)J421XE4313E6013適用于薄板立向下焊及間斷焊。C≤0.08Mn≤0.50Si0.25S≤0.035P≤0.040σb≥420MPaσs≥330MPaδ5≥17%AKV≥70J(0℃)J421Fel6E4324E6024適用于低碳結(jié)構(gòu)和要求表面光潔的平焊平
7、角焊的蓋面焊,熔敷效率達160%C≤0.12Mn0.40Si0.20S≤0.035P≤0.040σb≥420MPaσs≥330MPaδ5≥17%AKV≥60J(常溫)J421ZE4324E6024熔敷效率160%的重力焊條,化學成分、力學性能與J421Fe16一樣C≤0.12Mn0.40Si0.20S≤0.035P≤0.040σb≥420MPaσs≥330MPaδ5≥17%AKV≥60J(常溫)J422E4303焊接較重要的低碳鋼結(jié)構(gòu)和強度等級相當?shù)牡秃辖痄摻Y(jié)構(gòu)C≤0.12Mn0.40Si0.18S≤0.035P≤0.040σb≥420MPaσs≥330
8、MPaδ5≥22%AKV≥47J(-20℃)J422FeE4303適用于較重要的