Grade SUS329J4LTB
Corresponding Standard JIS G 3463-2019
Stainless steel boiler and heat exchanger tubes
Classification Duplex Stainless Steel
SUS329J4LTB Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo N
Minimum Value - - - - - 24 5.5 2.5 0.08
Maximum Value 0.03 1 1.5 0.04 0.03 26 7.5 3.5 0.3
SUS329J4LTB Mechanical Properties
No.12 test piece Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
1<t≤2 ≥9
2<t≤3 ≥10
3<t≤4 ≥12
4<t≤5 ≥14
5<t≤6 ≥15
6<t≤7 ≥16
7<t<8 ≥18
d<10mm(No.11 test piece) ≥620 ≥450 ≥10
10≤d<20mm(No.11 test piece) ≥620 ≥450 ≥13
d≥20mm(No.11 and test piece No.12) ≥620 ≥450 ≥18

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