详情
For 490MPa high tensile steel and railcar, automotive, heavy equipment and general structual steel fabrications
- KS: D 7104 : YFL-A504R
- AWS: A5.20 : E71T-9MJ
- AWS: A5.36 : E71T12-M21A4-CS1
- EN: ISO 17632-A : T42 4 P M21 1
- EN: ISO 17632-B : T49 4 T1-1 M21 A-U
- JIS: Z 3313 : T49 4 T1-1 M A-U
Served as both carbon dioxide and mixture gas, and stable arc performance in almost welding current
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