Grade SUS323LTB
Corresponding Standard JIS G 3463-2019
Stainless steel boiler and heat exchanger tubes
Classification Duplex Stainless Steel
SUS323LTB Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N
Minimum Value - - - - - 21.5 3 0.05 0.05 0.05
Maximum Value 0.03 1 2.5 0.04 0.03 24.5 5.5 0.6 0.6 0.2
SUS323LTB Mechanical Properties
No.12 test piece Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
1<t≤2 ≥11
2<t≤3 ≥12
3<t≤4 ≥14
4<t≤5 ≥16
5<t≤6 ≥17
6<t≤7 ≥18
7<t<8 ≥20
d<10mm(No.11 test piece) ≥600 ≥400 ≥12
10≤d<20mm(No.11 test piece) ≥600 ≥400 ≥15
d≥20mm(No.11 and test piece No.12) ≥600 ≥400 ≥20

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