Welding on GI pipe

[ramen samanta]

Dear Experts,

 

I have some query :- 

1. Is it recommended / Safe to Weld  on ERW galvanized pipe (coated with zinc by hot dip process)?

2. If Yes, can it (pipe-pipe/pipe-fittings joints) be welded by SMAW process and by E-6013 or E-7018? Or, should be welded by GTAW only?

3. If No, what will be effect, if it welded by  E-6013 or E-7018 ?

Regards,

Ramen

[Karthik]

Hi,

The attached files might be useful to you.

 

Thanks & Regards,

(Karthik)

Karthikeyan.S

QA/QC Manager

German-Thai Boiler Engineering Cooperation Limited.

Rayong Factory ;

379 Moo.6 Soi 8, Tambol Pananikom,

Nikompattana, Rayong 21180 THAILAND

Tel : +66 38 897 035-9 Ext. 137

Fax : +66 38 897 034

Hand Phone: 0066 892512282

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From: ramen samanta <rk_sama...@yahoo.co.in>
To: "material...@googlegroups.com" <material...@googlegroups.com>
Sent: Thursday, August 22, 2013 12:10 AM
Subject: [MW:18491] Welding on GI pipe

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