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Grade St35.8
Germany W-Nr. 1.0305
Corresponding Standard DIN 17175-1979
Seamless Steel Tubes for Elevated Temperatures; Technical Terms of Delivery
Classification Carbon Steel
St35.8 Chemical Element Composition Content (%)
Component C Si ① Mn P S
Minimum Value - 0.1 0.4 - -
Maximum Value 0.17 0.35 0.8 0.04 0.04
St35.8 Mechanical Properties
wall thickness
t
mm		 Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Impact Energy Absorption
KV2
J
t≤16 360~480 ≥235ⓐ L0=5d0
Longitudinal: ≥25
Transverse: ≥23		 DVM Sample Transverse: ≥34ⓑ
16＜t≤40 360~480 ≥225ⓐ L0=5d0
Longitudinal: ≥25
Transverse: ≥23		 DVM Sample Transverse: ≥34ⓑ
40＜t≤60 360~480 ≥215* L0=5d0
Longitudinal: ≥25
Transverse: ≥23		 DVM Sample Transverse: ≥34ⓑ

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