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A 581 S18235 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 581 S18235

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SAE A 581 S18235

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This page is mainly introduced the A 581 S18235 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 581 S18235,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Free-Machining Stainless Steel Wire and Wire Rods

Steel Garde:A 581 S18235
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 A 581/A 581M (2009) Free-Machining Stainless Steel Wire and Wire Rods
Metallographic Structure:Ferrite
Application:Free-Machining Stainless Steel Wire and Wire Rods

ITEM	Standard Number	Descriptions
1	A 581/A 581M (2009)	Free-Machining Stainless Steel Wire and Wire Rods

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 582 S18235	SAE	USA
A 959 S18235	SAE	USA
S18235	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.025
Mn		0.50
Si		1.00
P		0.03
S	0.15	0.35
Cr	17.50	18.50
Ni		1.00
Mo	2.00	2.50
Ti	0.30	1.00
N		0.025

Mechanical Properties

Tensile strength	820～402	σb/MPa
Yield Strength	278	σ 0.2 ≥/MPa
Elongation	88	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	352～103	-
HRC	30	-

Physical Properties

Thermal expansion	62-48	e-6/K
Thermal conductivity	52-12	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9646-6388	째C
Density	3234-4552	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 581 S18235 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