ASTM A519- specification covers for several grades of carbon and alloy steel mechanical tubing, either hot-finished or cold-finished.
Boiler Steel Pipes & Tubes are widely used in the industries of petrochemical refinery, electric power, economizer, heat-exchanger, super-heater …etc.
ASTM A53 Standard specification for pipe, steel, black and hot-dipped, zinc-coated, welded and seamless.
ASTM A-106 is the standard for seamless carbon steel pipes designed for High-temperature services.
A519-4140 material is stocked in the annealed, normalized or quenched and tempered conditions.
AISI 4140 is a chromium molybdenum alloy steel specification widely used in the oil and gas industry.
The content of 4140 steel includes chromium, molybdenum and iron.
ASTM A519 specification covers for several grades of carbon and alloy steel mechanical tubing, either hot-finished or cold-finished.
ASTM A519 4130 is a low alloy steel containing molybdenum and chromium as strengthening agents.
ASM A199 Specification for Seamless Cold-Drawn Intermediate Alloy-Steel Heat-Exchanger and Condenser Tubes.