Specification

Type: Welded Pipe
Material: ASTM A790 UNS31803
Size: 16 inch
Thickness: SCH.40s;
Origin: Italy
Year of manufacture: 2021/2022
Stock: 1000m (1km)

Chemical Composition

Grade C Mn Si P S Cr Mo Ni N
2205 (UNS S31803) Min Max – 0.030 – 2.00 – 1.00 – 0.030 – 0.020 21.0 – 23.0 2.5 – 3.5 4.5 – 6.5 0.08 – 0.20

Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell C (HR C) Brinell (HB)
UNS S31803 / 2205 621 448 25 31 max 293 max