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AISI 431 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI 431

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AISI AISI 431

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This page is mainly introduced the AISI 431 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI 431,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
AISI 431

Steel Garde:AISI 431
Type:Stainless Steels
Country:USA
Standard:AISI
Application:AISI 431

Relevant products:

431 flat bar

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 176 S43100	SAE	USA
A 276 S43100	SAE	USA
A 314 S43100	SAE	USA
A 473 S43100	SAE	USA
A 493 S43100	SAE	USA
A 580 S43100	SAE	USA
F738 Class C3-120 S43100	SAE	USA
F738 Class C3-80 S43100	SAE	USA
F836 Class C3-120 S43100	SAE	USA
F836 Class C3-80 S43100	SAE	USA
S43100	AISI	USA
1.4310	AWS	Germany
X2CrNiN18-10	AWS	Germany
1.4311	AWS	Germany
X2CrNiN18-7	AWS	Germany
SUS 431	JIS	Japan
SUS 431	JIS	Japan
SUS 431	JIS	Japan
SUS 431 FB	JIS	Japan
SUS 431FB	JIS	Japan
X3CrNi13-4	DIN	Germany
1.4313	DIN	Germany
X3CrNiMo13-4	B.S.	UK
1.4313	B.S.	UK
X10CrNi18-8	B.S.	UK
1.4310	B.S.	UK
X2CrNiN18-10	B.S.	UK
1.4311	B.S.	UK
431S29	B.S.	UK
X3CrNiMo13-4	AFNOR	France
1.4313	AFNOR	France
X10CrNi18-8	AFNOR	France
1.4310	AFNOR	France
X2CrNiN18-7	AFNOR	France
1.4318	AFNOR	France
X2CrNiN18-10	AFNOR	France
1.4311	AFNOR	France
STS431	KS	Korea
STS431FB	KS	Korea
CNS 431	CNS	China
ASTM 431	ASTM	USA
S43100	UNS	USA
X10CrNi18-8, 1.4310, 301, 301S21, Z12CN17-07	EN	European

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.20
Si		1.00
Mn		1.00
P		0.04
S		0.03
Cr	15.0	17.0
Ni	1.25	2.50

Mechanical Properties

Tensile strength	697～117	σb/MPa
Yield Strength	903	σ 0.2 ≥/MPa
Elongation	40	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	574～727	-
HRC	30	-

Physical Properties

Thermal expansion	49-29	e-6/K
Thermal conductivity	23-18	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7453-7275	째C
Density	0595-6491	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
AISI 431 Stainless Steels	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk