I am preparing pre-WPS of GTAW for Mat'l stainless 310 grade(Base Metal). But Mat'l stainless 310 grade is hardly to find in my country, so I will use Mat'l stainless 304 grade instead of 310 grade. Filler metal is ER310 and impact test is not required,
Pls. kindly share exsperience and...
Refer to ASME Section IX, Tests for PQR including
1. 2 pcs Tensile Test
2. 4 pcs Ben Test
I am not familiar with AWS. Tests are as same as Section IX, aren't they?
What about VT,RT or UT and Macro, they are mandatory required tests on PQR speciments per AWS, aren't thay?
QualityAsia
MY Owner has been requesting me to specify 99.997% Argon gas composition in our revised WPS, questions as below,
1. Are there any papers to support minimum 99.997% Argon gas composition required for GTAW?
2. 99.9% Argon gas composition was specified in old PQR. Can I specify 99.997% Argon gas...