PIPE, Type 304 the most common class; classic 18/8 stainless steel (18% chromium, 8% nickel). Outside the US it is commonly known as "A2 stainless steel", in accordance with ISO 3506 (not to be confused with A2 tool steel).
Welded Stainless Steel Pipe
Specifications: ASTM A 312 TP 304
Model: Welded Stainless Pipe
Wall Thickness: SCH 40
Tensile Requirements: Y.S Min - 205 MPa
QS Min - 515 MPa
Elongation (% in 50 mm): 40
Hardness Rockwell B (HR B) Max: 92
HB Max: 201
Size OD: Small: 0.5 1 2 4 6 Inch
Medium: 10 12 14 Inch
Large: 16 24 Inch
Manufacturer: Indonesian, Japanese, Indian, Korean, European