26 صفحه pdf
API Recommended Practice 578:2010
Material Verification Program for New and Existing Alloy Piping Systems
API 578:2010-Material Verification Program for New and Existing Alloy Piping Systems
26 صفحه pdf
API Recommended Practice 578:2010
Material Verification Program for New and Existing Alloy Piping Systems
ASTM A194/194M:2016-Standard Specification for Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both