DIN 17175 St45.8 Seamless Steel Tubes For Elevated Temperatures

What is DIN 17175 St45.8

DIN 17175 St45.8 is a German standard (DIN) for seamless, non-alloy steel tubes used for elevated temperatures, featuring minimum yield strength of 255 MPa and tensile strength of 410-530 MPa,making it ideal for boilers, pressure vessels,and pipelines in high-heat industrial applications up to 600°C.

 

What is the chemical composition of ST45 8?

Standard:DIN 17175 grade Chemical composition
C Si Mn P,S Cr Mo
St45.8 ≤0.21 0.10-0.35 0.40-1.20 ≤0.030 / /

 

What is the Mechanical property of DIN 17175 St45.8

Standard grade Tensile Strength(MPa) Yield Strength(MPa) Elongation(%)
DIN 17175 St45.8 410-530 ≥255 ≥21

 

Size:

Hot-rolled: OD:51-508 mm; WT: 7-60 mm; L: Max 16000 mm

Cold-Drawn: OD: 10-50 mm; WT: 2-10 mm; L: Max 16000 mm

Specifications in accordance with customer requirements.

 

Test and inspection

inspection

 

Packaging and shipping

shipping