I would like to ask the experts here

2018-07-13View Original

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Dear experts, may I ask what type of welding rod should be used to weld MN13 with 20# steel? Cracks appear at the joint between the weld and MN13 after welding with J507 electrode; will A302 electrode work instead? Are there any standards I can refer to?

Reply #22018-07-14

MN13 has a high carbon content and poor weldability

Reply #32018-07-16

The original poster can do a search; there should be relevant articles online.

Reply #42018-07-16

There are few such articles available for reference

Reply #52018-07-16

https://baike.1688.com/doc/view-d43936496.html Could the original poster take a look and see if this link is useful?

Reply #62018-07-21

Use D256 (Stack 256) or D266 (Stack 266) electrodes

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