[MW:27133] RE: 27132] diffusible hydrogen level in filler wire.

Manoj,

 

This issue is an optional requirement for solid wire  and composite wire electrodes. The extract from SFA 5.18 (Sec II, Part C) is shown as below.

 

If insisted by the client, you may have to get the filler/lot certified from the manufacturer.

 

For SFA 5.18 go through clause 15 for details.

 

Thanks.

 

 

P.Goswami.P.Eng, IWE.

Welding & Metallurgical Specialist

Linkedin: https://www.linkedin.com/in/pradip-goswami-2999855/

Email:pgoswami@quickclic.net,pradip.goswami@gmail.com

 

 

c. Optional diffusible hydrogen test is required only when specified by the purchaser or when the manufacturer puts the diffusible hydrogen

designator on the label (also see A2.2 and A8.2 in Annex A).

 

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Manoj John
Sent: December 6, 2017 10:41 AM
To: materials-welding@googlegroups.com
Subject: [MW:27132] diffusible hydrogen level in filler wire.

 

Dear experts,

 

One of our client specification require filler fire welding consumables hydrogen level less than 4ml/100g, but i could not found any welding consumable manufacturing company certified filler wire for hydrogen diffusible level, i checked many batch certificate of different manufacturers.

 

My questions is ;  

Any manufacturer is providing the filler wire with certification of diffusible hydrogen level 

Is it really required to mention as per code.

 

Thanks in advance.

Manoj

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