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SA-790 S32304 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-790 S32304

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AMS SA-790 S32304

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This page is mainly introduced the SA-790 S32304 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-790 S32304,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe

Steel Garde:SA-790 S32304
Type:Stainless Steels
Country:USA
Standard:AMS
Standard Number:

ITEM Standard Number Descriptions

1 SA-790/SA-790M Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe
Metallographic Structure:Austenitic-Ferritic(Duplex steel)
Application:Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe

ITEM	Standard Number	Descriptions
1	SA-790/SA-790M	Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 240 S32304	SAE	USA
A 276 S32304	SAE	USA
A 511 S32304	SAE	USA
A 789 S32304	SAE	USA
A 790 S32304	SAE	USA
A 928 S32304	SAE	USA
A 949 S32304	SAE	USA
S32304	AISI	USA
SA-240 S32304	AMS	USA
SA-276 S32304	AMS	USA
SA-789 S32304	AMS	USA
SA-790 S32304	AMS	USA
A 240 S32304	SAE	USA
A 276 S32304	SAE	USA
A 511 S32304	SAE	USA
A 789 S32304	SAE	USA
A 790 S32304	SAE	USA
A 928 S32304	SAE	USA
A 949 S32304	SAE	USA
S32304	AISI	USA
SA-240 S32304	AMS	USA
SA-276 S32304	AMS	USA
SA-789 S32304	AMS	USA
X45Cr13	DIN	Germany
1.3541	DIN	Germany
2304	SS	Sweden
1.4362, X2CrNiN23-4, UNS S32304	EN	European

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Mn		2.50
Si		1.00
P		0.04
S		0.04
Cr	21.50	24.50
Ni	3.00	5.50
Mo	0.05	0.60
N	0.05	0.20
Cu	0.05	0.60

Mechanical Properties

Tensile strength	380～574	σb/MPa
Yield Strength	957	σ 0.2 ≥/MPa
Elongation	73	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	065～805	-
HRC	30	-

Physical Properties

Thermal expansion	76-81	e-6/K
Thermal conductivity	52-03	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5278-0705	째C
Density	5418-7817	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)
SA-790 S32304 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