wps pqr date 1of 24 7755 - 04 7755-04-04 2515198 api 5l gr.x 52n to : api 5l gr.x 52n aws group ii to : aws group u thickness pipe dta line-t'p clamp cleaning 9.5 and above / stringerbead 219 and above weave bead na back gouge backing strip grinding / brushing yes yes ( 2ra x electrode dia.) no no lb.52u ( kobelco ) s - 7016 ls ( lmndar ) 8 ...

2021年6月7日 · 6GR welding test position is the toughest Welding position for Stick (SMAW) Welder. Compared to the 6G welder test, 6GR brings more restrictions on the movement of the rod and viewing the weld puddle during welding.

2009年2月28日 · 6GR is not indicated to be a full penetration joint therefore you can not weld on pipe without a backing ring or backgouging. If you want your guys to be qualified on pipe in all positions, have them do a 6G pipe test with cjp or which ever your WPS supports.

2015年8月21日 · One can combine WPSs. For example; one WPS is qualified for open root in the 6GR test position. A second WPS, prequalified, is written to permit welding tubulars in all positions with backing.

Welding Procedure Specification (WPS)- 07 AWS D1.1 SMAW 6GR (1) - Free download as PDF File (.pdf) or read online for free. Scribd is the world's largest social reading and publishing site.

The WPS is in accordance with ASME Section IX and ANSI B31.3 codes for welding pipe. This welding procedure specification outlines requirements for welding 6G pipe joints using shielded metal arc welding.

The WPS was qualified using the PQR 7755-04-04 and is intended for welding similar material combinations in the field. This welding procedure specification document outlines the manual shielded metal arc welding process for welding pipe joints in …

Groove weld on plate qualifies pipes equal to or greater than 24 in [600 mm] nominal outer diameter. Qualified Thickness Range: 1/8 in. (3 mm) Min., 2T Max. Qualified Plate Thickness Range: 0.5T Min., 1.1T Max. Note: Any CJP qualification shall …

2021年6月7日 · 6G Welding Position is a test position used for the welder performance qualification test (WQT). This welding position is covered in AWS D1.1 and ASME Section IX -welder performance qualification (WPQ) pipe welding certification.

2013年3月8日 · AWS D1.1 recognizes 6G & 6GR Welders but ASME Sect IX mention about 6G position/welders only. Normally in piping above 2" in dia - Root run by GTAW and the rest by SMAW being practised to save the cost. Normally, 6GR WPQT Test Coupon - 8" x sch 120 And if root run by 6G welder and the rest by 6GR welder, than what dia/thk range he is qualified for.