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A 240 Type 2507 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 240 Type 2507

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SAE A 240 Type 2507

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This page is mainly introduced the A 240 Type 2507 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 240 Type 2507,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Steel Garde:A 240 Type 2507
Type:Stainless Steels
Country:USA
Standard:SAE

Standard Number:

ITEM	Standard Number	Descriptions
1	A 240/A 240M (2013)	Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Metallographic Structure:Precipitation-Hardening
Application:Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 270 2507	SAE	USA
A 790 Type 2507	SAE	USA
A 928 Type 2507	SAE	USA
A 959 Type 2507	SAE	USA
SA-240 Type 2507	AMS	USA
SA-790 Type 2507	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Si		0.08
Mn		1.20
P		0.035
S		0.02
Ni	6.00	8.00
Cr	24.00	26.00
Al
Cu
Ti
Fe
N	0.24	0.32
Mo	3.00	5.00
W
V

Mechanical Properties

Tensile strength	547～358	σb/MPa
Yield Strength	577	σ 0.2 ≥/MPa
Elongation	18	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	259～941	-
HRC	30	-

Physical Properties

Thermal expansion	05-35	e-6/K
Thermal conductivity	49-50	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1275-3244	째C
Density	4306-6774	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 240 Type 2507 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