ASTM A53/A53M: Technical Specifications for Carbon Steel Pipes Standard for Seamless and Welded Black/Galvanized Steel Pipe in Pressure Applications 1. Scope and Classification 1.1 Definition and Applications ASTM A53/A53M specifies requirements for seamless and welded carbon steel pipes with optional galvanization. It covers three product types: Type F: Furnace-welded (continuous weld)...

DIN 30670 specifies polyethylene coating systems for buried pipelines. Provides corrosion protection for water, gas, and district heating networks.

ASTM A252 standard covers welded/seamless steel pipe piles. Designed for foundation support in civil engineering, bridges, and marine structures.

DIN 30671 standard governs polypropylene coating systems for steel pipes. Offers heat-resistant corrosion protection for industrial pipelines.

ASTM A500 covers cold-formed welded carbon steel structural tubing. For construction, architectural applications, and structural support systems.

JIS G3454 covers carbon steel pipes for pressure service. Japanese standard for pipelines in power generation, chemical plants, and refineries.

SY/T 0413-2002: Technical Standard for Polyethylene Coating of Buried Steel Pipelines 1. Standard Definition and Background SY/T 0413-2002:Released by National Economic and Trade Commission of China on May 28, 20021 implemented on August 1, 2002. I This petroleum industry standard (PS) is developed by Petroleum Engineering Construction Standardization Committee and formulated by CNPC Engineering Technology R&D Institute. It has replaced SY/T 4013-1995 and reached consensus standard for corrosion protection of buried steel pipe epoxy powder coating of polyethylene recommend standard.

JIS G3444 specifies carbon steel tubes for general structural purposes. Widely used in machinery, construction, and automotive applications.