[MW:29355] Re: Weld Repair of ZG35CrMo (34CrMo4)

Dear experts,

Thanks for your reply,

The roller is in service and we do not have WPS/PQR.

During evaluation it is observed that crack dept is around 25-40mm. 

Total roller thickness is 280mm. 

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On Mar 20, 2019, at 17:23, nithindsilva4u@gmail.com wrote:

Dear Experts,

We have observed a crack on a roller of material ZG35CrMo (34CrMo4). We want to do weld repair. Could you please advise the below;

1. Consumable to be used

2. Preheat temperature 

3. Inter pass temperature 

4. Any post heating

5. Final heat treatment temperature 

6. Any special precautions?

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