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English Translations » 【管道阀门技术圈】 » Difference between ER50-4 and ER50-6

Difference between ER50-4 and ER50-6

2017-10-09View Original

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When used in CO2 gas shielded welding, both the flanges and pipes are made of grade 20 carbon steel. What is the difference between ER50-4 and ER50-6? Is ER50-6 better?
Reply #22017-10-10
The chemical composition is different. . The strength grades are different. . . The requirements for impact toughness are different. . Overall, 50-6 requires high standards. . .

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Translated at 2026-07-21 04:21:27

Original: https://bbs.hcbbs.com/thread-1849523-1-1.html

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