Very Urgent Requirement on Welding Electrode & Filler Rod Selection

[Engr. Asif Chowdhury]

Dear All Concern,

Please help me selection for welding of pipe materials as per following spec:

Pipe Spec: 

1. NB: 750 mm; WT: 25.4 mm; API 5L -X65M, PSL -2, LSAW, ASTM B36.10M

2. NB: 200 mm; SCH: XS; API 5L -X65M, PSL -2, SMLS, ASTM B36.10M

3. NB: 100 mm; SCH: XS; API 5L -X65M, PSL -2, SMLS, ASTM B36.10M

Minimum Yield Strength of Pipe : 450 MPa

Ultimate Tensile Strength of Pipe : 535 MPa

My client wants me to do GTAW for Root & Hot passes and SMAW for Filling & Capping Passes. 

I wish for everyone's sound health and sound mind. 

Thanks In Advance,

Md. Asif Al-Istiaque Chowdhury
Manager (Project Sales & Operation)
WhatsApp No.: +88 01925-884133

The Royal Utilisation Services (Pvt.) Ltd.
(An ISO 9001:2008 Certified Company)
House # 383 (3rd Floor), Road # 28,
New DOHS, Mohakhali, Dhaka-1206, Bangladesh.

[Dinesh Gaur]

Dear Asif

       you may use below electrodes for given materials.

1- GTAW  - ER80S-B2

2- SMAW  - E8018G

Regards

Dinesh Kumar Gaur

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[Ganesh Muthurajan]

Hi dear,

API 5L. X65 having

Max tensile - 65k mpa

Max yield - 58k mpa

We can go for 

ER 70S-6 & E7018

This both having

Max tensile - 70k

Max yield - 58k

Impact requirement - 20C 

Containing

C - 0.06%

Mn - above 1%

Si - 0.80%

Do the is adorable quality and cost.

Ganesh,
QCI Welding.

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