SUS321TB - JIS 3463-2019

Grade	SUS321TB
Corresponding Standard	JIS G 3463-2019 Stainless steel boiler and heat exchanger tubes
Classification	Austenitic Stainless Steel

SUS321TB Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	More
Minimum Value	-	-	-	-	-	17	9	Ti≥5C
Maximum Value	0.08	1	2	0.04	0.03	19	13	Ti≥5C

SUS321TB Mechanical Properties

No.12 test piece	Tensile Strength σ_b Mpa	Yield Point σ_s 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

SUS321TB Corresponding Standards(Same grade name, different standards)

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