Below here is major factors:
1. Mixture of Shielding gases (Or + N).
2. Cold Pass Techniques (second pass should be lesser heat input from root pass approximately 75% ).
3. Control heat input with normal root penetration and excess weld-metal.
4. Filler wire with minimum diameter to reduce heat input.
Muhammad Babur Khan
Sr. Welding Inspector
(CSWIP 3.2.2)
Sent from my iPhone
On 19 Sep 2022, at 9:33 AM, ahmad elsharkawy <ahmad.sharkawy88@gmail.com> wrote:
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