Wuxi Huayou Special Steel Co., Ltd

(1 Standard GB/T9711-1999 API 5L/ISO3183-2007 2 Application Conveying of gas water and oil in petroleum and natural ga

1 Standard ASTM A53/A106/API 5L 2 Application Conveying water, petroleum, gas and other common luids 3 Main steel material and grad

1 Standard GB3087-2008 ASTM A179 ASTM A192 2 Application For heat-exchange tubes steaming tubes P 5.88MPa T 450

1 Standard GB5310-2008 GB9948-2006 GB6479-2000 ASTM/ASME A/SA213 ASTM/ASME A/SA335 EN10216-2 ASTM/ASME A/SA312 2 Application Heati

1 Standard GB/T18984-2003 ASTM/ASME A/SA333 2 Application Low-temperature pressure container piping 3 Main steel material and grade

1 Standard GB/T9711.3 API 5L/ISO3183-2007 2 Application For petrol and gas transportation under sour service environment

1 Standard API Spec 5CT ISO 11960 2 Application Oil and Gas Industry 3 Main steel material and grade H40

1 Standard GB/T5312-2009 2 Application Boiler and Superheater for the ship I, II level pressure tubes 3 Main s

1 Standard ASTM A519 2 Application Mechanical sparements for cylinder and struction 3 Main steel material and grade 1010 1020

1 Standard GB/T3639-2009 DIN2391 N10305-1 2 Application Precision mechanical sparements for car and ylinder 3