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A 240 Type XM-29 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 240 Type XM-29

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SAE A 240 Type XM-29

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This page is mainly introduced the A 240 Type XM-29 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 240 Type XM-29,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
A 240 Type XM-29

Steel Garde:A 240 Type XM-29
Type:Stainless Steels
Country:USA
Standard:SAE

Standard Number:

ITEM	Standard Number	Descriptions
1	A 240/A 240M (2012)	Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Metallographic Structure:Austenite
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 249 TPXM-29	SAE	USA
A 269 TPXM-29	SAE	USA
A 276 XM-29	SAE	USA
A 312 TPXM-29	SAE	USA
A 314 XM-29	SAE	USA
A 358 XM-29	SAE	USA
A 412 Type XM-29	SAE	USA
A 479 XM-29	SAE	USA
A 580 Type XM-29	SAE	USA
A 688 Grade TP XM-29	SAE	USA
A 813 Grade TP XM-29	SAE	USA
A 814 Grade TP XM-29	SAE	USA
A 943 TPXM-29	SAE	USA
A 955 XM-29 Grade 280	SAE	USA
A 955 XM-29 Grade 40	SAE	USA
A 955 XM-29 Grade 420	SAE	USA
A 955 XM-29 Grade 520	SAE	USA
A 955 XM-29 Grade 60	SAE	USA
A 955 XM-29 Grade 75	SAE	USA
A 959 Type XM-29	SAE	USA
SA-249 TP XM-29	AMS	USA
SA-276 XM-29	AMS	USA
SA-312 Grade TP XM-29	AMS	USA
SA-358 XM-29	AMS	USA
SA-479 Type XM-29	AMS	USA
SA-688 TP XM-29	AMS	USA
SA-813 TPXM-29	AMS	USA
SA-814 TP XM-29	AMS	USA
XM-29	UNS	USA
A 240 S24000	SAE	USA
A 269 S24000	SAE	USA
A 276 S24000	SAE	USA
A 314 S24000	SAE	USA
A 580 S24000	SAE	USA
A 688 S24000	SAE	USA
A 814 S24000	SAE	USA
A 955 S24000	SAE	USA
S24000	AISI	USA
SA-240 S24000	AMS	USA
SA-688 S24000	AMS	USA
SA-813 S24000	AMS	USA
SA-814 S24000	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.00
Mn	11.5	14.5
P		0.06
S		0.03
Cr	17.0	19.0
Ni	2.25	3.75
N	0.20	0.40

Mechanical Properties

Tensile strength	220～925	σb/MPa
Yield Strength	975	σ 0.2 ≥/MPa
Elongation	47	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	450～655	-
HRC	30	-

Physical Properties

Thermal expansion	15-88	e-6/K
Thermal conductivity	57-23	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0039-3153	째C
Density	1536-9452	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 XM-29 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