Changshu Longteng Special Steel Co., Ltd.
LONGTENG WELDING CONSUMABLES WELDING THE GLOBAL
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GMAW LT*ER70S-7 0.8/1.0/1.2/1.6mm Cooper Coating Welding Wire
GMAW ER70S-7 is a general purpose MIG wire suitable for many carbon steel welding applications but with substantially greater manganese content than ER70S-3 welding alloy. The higher manganese provides slightly better wetting and weld appearance with slightly higher tensile and yield strengths as well. These combined properties permit increased speed when compared to S-3 product. Under equivalent welding conditions,
ER70S-7 produces as weld hardness lower than ER70S-6 but higher than ER70S-3
Typical Applications
• High tensile strength steels for automobiles
• Rolling stock
• Electrical appliances
• Machinery
• Air conditioners
• Light gauge steels
• Pipes
• Steel frames
AWS Specification
AWS A5.18/A5.18M:2005
AWS Classification ER70S-7
Welding Current for MIG process
DCEP (Electrode Positive, Reverse Polarity)
Welding Current for TIG process
DCEN