steel pipe for pipeling,vessel and equipment stru

Our products following next : No. Name of goods Grade Specification Standard Application OD(mm) W/T(mm) LENGTH 1 High temperature seamless carbon steel nominal pipe A 21-219 2-20 ≤12m ASTM A106 Used for maching of bending, border-coiling and similar shape-forming B 2 Non plating coating and hot dipping galvanizing welded and seamless nominal steel pipe A 21-219 2-20 ≤12m ASTM A53 Applied as pressed and forced parts and pipeline for steam ,water ,gas and atmosphere B 3 Seamless cold drawing carbon steel tube for heat exchanger and condenser A179 21-219 2-20 ≤12m ASTM A179 Used for tubed exchanger, condenser and other heat conveying equipment 4 High pressure seamless carbon steel boiler tube A192 21-219 2-20 ≤12m ASTM A192 Used for high pressure min wall thickness seamless carbon steel boiler and superheater tube 5 Seamless medium-carbon steel boiler and superheater tube A-1 21-219 2-20 ≤12m ASTM A210 Used for boiler and boiler flue tubes and min wall thickness seamless medium-carbon steel tube for superheater C 6 Boiler tube ST35.8 21-219 2-20 ≤12m DIN17175 Used for the pipelines for boiler industry ST45.8 7 Steel pipe for pipeling,vessel and equipment structure ST37 21-219 2-20 ≤12m DIN1629 Used for manufacturing pipelining,vessel,equipment,pipe fittings and steel structure ST44 8 Carbon steel pipe for pressure pipeline, high pressure application and high temperature application STPG370 21-219 2-20 ≤12m JIS3454 Used for pressure pipeline under 350 STS370 JIS3455 Used for pressure pipeline under 350 STPT370 JIS3456 Used for pipeline over 350 9 Carbon steel tube for general structural STB340 21-219 2-20 ≤12m JIS3444 Used for manufacturing general structure STB410 STB510 10 Carbon steel pipe for boiler and heat exchanger service STB340 21-219 2-20 ≤12m JIS3461 Used for boiler and heat exchanging inside outside tube STB410 STB510