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A 554 S43400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 554 S43400

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SAE A 554 S43400

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This page is mainly introduced the A 554 S43400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 554 S43400,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Welded Stainless Steel Mechanical Tubing

Steel Garde:A 554 S43400
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 A 554 (2011) Welded Stainless Steel Mechanical Tubing
Metallographic Structure:Ferrite
Application:Welded Stainless Steel Mechanical Tubing

ITEM	Standard Number	Descriptions
1	A 554 (2011)	Welded Stainless Steel Mechanical Tubing

Relevant products:

D6AC Forging Hollow Bar

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 240 S43400	SAE	USA
S43400	AISI	USA
SA-240 S43400	AMS	USA
SUS 434	JIS	Japan
SUS 434	JIS	Japan
SUS 434	JIS	Japan
SUS 434	JIS	Japan
SUS 434-WSB	JIS	Japan
434S17	B.S.	UK
434S20	B.S.	UK
STS434	KS	Korea
STS434WSB	KS	Korea
CNS 434	CNS	China

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.12
Mn		1.00
Si		1.00
P		0.04
S		0.03
Cr	16.00	18.00
Ni
Mo	0.75	1.25

Mechanical Properties

Tensile strength	660～398	σb/MPa
Yield Strength	940	σ 0.2 ≥/MPa
Elongation	38	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	401～742	-
HRC	30	-

Physical Properties

Thermal expansion	38-87	e-6/K
Thermal conductivity	54-70	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1717-4870	째C
Density	0356-8208	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)
A 554 S43400 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