Without impact testing
1.5 to 16mm base metal thickness can be welded.
With impact testing
Any material combination can be welded within range of 10-16mm base metal thickness
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Sukamal Naskar
Sent: Monday, November 24, 2008 11:36 AM
To: materials-welding@googlegroups.com
Subject: [MW:1334] WPS combination of two PQRs
Friends,
Good afternoon. I need one help regarding one WPS, combination of two PQRs.
the 1st PQR is 8mm thick, with base material SA 516Gr.70 ( P No.1 Gr. 2) with SA 516 Gr.65 (P No.1 Gr.1). welded with full GTAW process , and is impact tested at -29 deg. C.
2nd PQR is 10mm thick, with base material SA 516Gr.70 ( P No.1 Gr. 2) with SA 516 Gr.70 (P No.1 Gr.2). welded with full SMAW process , and is impact tested at -29 deg. C.
If we combine these two PQRs to make one WPS for the combination welding process GTAW & SMAW, will the base material thickness range will be 8 mm to 20mm ( with impact) and 1.5 mm to 20mm (without impact) ?
The deposited weld metal thickness for GTAW will be 16 mm max. and SMAW 20mm max. ( for both with / without impact)
And if the impact test is required at - 29 deg. C, can we use this WPS for all possible base material combinations ( P1 Gr.1 to P1Gr.1; P1 Gr2 to P1 Gr2 and P1 Gr.1 to P1 Gr.2) ??
Regards
--
Sukamal Naskar
MMHE ATB
+60177007205
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