High quality ASTM and ASME standard steel and stainless steel materials

Standard: ASTM A135
Material/Steel Grade: A, B
Application: ERW/Electric-Resistance-welded Steel Pipes
Size(mm): OD42.2~114.3 x WT2.11~2.63

Standard: ASTM A53
Material/Steel Grade: A, B
Application: ERW and Hot-dip Galvanized Steel Pipes
Size(mm): OD21.3~273 x WT2.11~12.7
Finish: Black, Hot-dip galvanized

Standard: ASTM A252
Material/Steel Grade: Gr2, Gr3
Application: Pipes for Piling Usage
Size(mm): OD219.1~508 x WT3.6~12.7

Standard: ASTM A500
Material/Steel Grade: Carbon Steel
Application1: Tubes for General Structural Purpose
Size1(mm): OD21.3~273 x WT2.11~12.7
Application2: Square Pipes for General Structural Purpose
Size2(mm): 25 x 25~160 x 160 x WT1.2~8.0