Correct,
Refer API RP 945 for amine service.
PWHT is required and hardness control is required.
On Mon, Feb 1, 2021 at 8:43 AM PSS <mechselastine@gmail.com> wrote:
Experts--Client Requirement : Vessel shall be PWHT. Production Weld deposits hardness shall not exceed 200HBW after PWHT. Carbon steel welds shall comply with NACE STD SP0472 para. 2.2 & 3.3
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