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F738 Class A1-70 S20300 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of F738 Class A1-70 S20300

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SAE F738 Class A1-70 S20300

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F738 Class A1-70 S20300 Profile
F738 Class A1-70 S20300 Chemical composition
F738 Class A1-70 S20300 Mechanical Properties
F738 Class A1-70 S20300 Physical Properties
F738 Class A1-70 S20300 Heat treatment
F738 Class A1-70 S20300 Size Availability
F738 Class A1-70 S20300 Relevant products

Profile

This page is mainly introduced the F738 Class A1-70 S20300 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of F738 Class A1-70 S20300,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs

Steel Garde:F738 Class A1-70 S20300
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 F 738M (2002) Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
Metallographic Structure:Austenite
Application:Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs

ITEM	Standard Number	Descriptions
1	F 738M (2002)	Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 581 S20300	SAE	USA
A 582 S20300	SAE	USA
F 837 Class A1-50 S20300	SAE	USA
F 837 Class A1-55 S20300	SAE	USA
F 837 Class A1-70 S20300	SAE	USA
F738 Class A1-50 S20300	SAE	USA
F738 Class A1-80 S20300	SAE	USA
F836 Class A1-50 S20300	SAE	USA
F836 Class A1-70 S20300	SAE	USA
F836 Class A1-80 S20300	SAE	USA
S20300	AISI	USA
S20300	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Mn	5.00	6.50
Si		1.00
P		0.04
S	0.18	0.35
Cr	16.00	18.00
Ni	5.00	6.00
Mo		0.50
Cu	1.75	2.25

Mechanical Properties

Tensile strength	949～130	σb/MPa
Yield Strength	864	σ 0.2 ≥/MPa
Elongation	11	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	827～411	-
HRC	30	-

Physical Properties

Thermal expansion	59-64	e-6/K
Thermal conductivity	69-84	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6562-3624	째C
Density	8003-2838	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)
F738 Class A1-70 S20300 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