DIN 2391 Seamless Precision Steel Tubes

Specification DIN 2391 Seamless Precision Steel Tubes
Standard DIN 2391
Equivalents EN 10305-1, NF 699, GOST 9567-75, NBR 8476
Materials St45, 1.0408

Chemistry Composition of DIN 2391 St45, 1.0408

C, % Si, % Mn, % P, % S, %
0.21 max 0.35 max 0.40 min 0.025 max 0.025 max

 

Mechanical Properties of DIN 2391 St45, 1.0408

Tensile Strength , MPa Yield Strength, MPa Elongation, % Delivery Condition
580 min 464 min 5 min BK
520 min 364 min 8 min BKW
520 min 375 min 12 min BKS
390 min 195 min 21 min GBK
440-570 255 min 21 min NBK