Grade SUS315J2TB
Corresponding Standard JIS G 3463-2019
Stainless steel boiler and heat exchanger tubes
Classification Austenitic Stainless Steel
SUS315J2TB Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value - 2.5 - - - 17 11 0.5 0.5
Maximum Value 0.08 4 2 0.045 0.03 20.5 14 3.5 1.5
SUS315J2TB Mechanical Properties
No.12 test piece Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
1<t≤2 ≥26
2<t≤3 ≥28
3<t≤4 ≥29
4<t≤5 ≥30
5<t≤6 ≥32
6<t≤7 ≥34
7<t<8 ≥35
d<10mm(No.11 test piece) ≥520 ≥205 ≥27
10≤d<20mm(No.11 test piece) ≥520 ≥205 ≥30
d≥20mm(No.11 and test piece No.12) ≥520 ≥205 ≥35

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