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Dear Gents, WPS has been qualified ROOT/HOT/FILL/CAP = GTAW/GTAW/FCAW/FCAW. Now production the joint could be welded GTAW/FCAW/GTAW/FCAW or GTAW/GTAW/FCAW/GTAW? Thanks you.

Dear Gent, I am currently encountering an issue that requires a fillet welding between two plates, one being 25mm thickness JIS G4051 S45C and the other 35mm thickness ASTM A572 Gr.50. I have chosen welding consumables with a diameter of Ф3.2mm AWS A5.5 E9016-G, and intend to maintain preheat...

Dear Gent, I am currently encountering an issue that requires a fillet welding between two plates, one being 25mm thickness JIS G4051 S45C and the other 35mm thickness ASTM A572 Gr.50. I have chosen welding consumables with a diameter of Ф3.2mm AWS A5.5 E9016-G, and intend to maintain preheat...

I will be qualifying the Corrosion-Resistant Overlay on base metal A106 Grade B, with dimensions of 8"x8.18mm and a length of 150mm. The cladding will be performed using TIG ERNiCrMo-3 with internal 02 layers (around 5mm). To comply with table QW-453, I need to determine the range of thickness...

Dear all, I have a problem about welder. when i qualify welder so do i need third party for witnessing and suppply certificate? my think, there are constructor and client is enough.

dear all, i see AWS A5.1 there are E7016-1 and E7018-1 and E7018M. i don't understand "-1" and "M" here what doest is it? Please explant for me.

I have read some book i see TIG is usually best demanding properties. Why that?

dear all, i have approved WPS for groove of Carbon Steel comply with ASME IX code ( max. 11mm thickness). so now can i weld with double bevel with 18 mm of thickness? because of with single bevel joint i can weld two side and with each side i have imagined as single bevel of 9mm thickness. (mid...

Dear all, i have a question which is not concerned to this topic, in the weld join including many locations as base metal, HZA, weld metal, please tell me know which location is best hardness?

Dear all, There is a question about to AMSE IX to concern Welder Qualification as below: I had WPS which was build and complied with ASME IX 2010 for welding duplex steel (S31803 of base metal and ER2209 of consumable). there are two problem i need to clarify: 1) Refer to QW-423.1: "Base metal...

Dear all,i qualify the WPS for SA312 TP310S with ASME IX, B31.3 code, there are hardness and charpy test in mechanical testing but i don't know where is acceptance criteria for hardness and charpy testing. please take me correct response. Tks

Dear all, i had a approved WPS (ASME IX) with contents as below: Consumable ER 70S-6/E 7018 Process: GTAW/SMAW Material: P No.1 Gr.1 to P No.1 Gr.1 Diameter: 75 and Over Thickness: 4.8 to 19.0 mm Position: 6G can i weld this WPS for 75 and Over diameter with GTAW only??? Please explain for me.

Dear all, we can see some material as A 106, SA 106. Please send me the explain why we have the defference beween SA and A? what does SA mean? and A also? Thanks you so much

Dear anyone, Please tell me where is required to qualify repair welding procedure specification in AWS D1.1 I have been looking for it but i can not see it in AWS D1.1 Thanks in advance.

dear all, can someone help? when i qualify a WPS Duplex Stainless Steel and i need to control ferrite content. what do i do ? please tell me some way for controlling ferrite content in Duplex Stainless Steel when i star to qualify a WPS.

when i qualify the PQR ( follow to AWS D1.1 ), i have 15 mm of wide of bead, when i compose WPS, How wide of bead for WPS for fabrication application? anyone can help me?

why is it called "hot pass"?

can i see about detail T, K, Y Joints Welding? or explaining for me to understand a full way. Thank in advance.

how can i understand A Number of material? how can i find it? what does it mean? what code/standard can i use finding A number? Someone can help me.

as using AWS D1.1 for choosing material group but i don't know ASTM A709 Gr.70 and API 5L X65 material belong to what group. can someone give me a advice?