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A 959 Type 29-4-2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 959 Type 29-4-2

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SAE A 959 Type 29-4-2

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This page is mainly introduced the A 959 Type 29-4-2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 959 Type 29-4-2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Steel Garde:A 959 Type 29-4-2
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 A 959 (2011) Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Metallographic Structure:Precipitation-Hardening
Application:Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

ITEM	Standard Number	Descriptions
1	A 959 (2011)	Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 176 S44735	SAE	USA
A 240 S44735	SAE	USA
A 268 S44735	SAE	USA
S44735	AISI	USA
SA-240 S44735	AMS	USA
SA-268 S44735	AMS	USA
A 176 S44800	SAE	USA
A 240 S44800	SAE	USA
A 268 S44800	SAE	USA
A 276 S44800	SAE	USA
A 479 S44800	SAE	USA
A 493 S44800	SAE	USA
A 580 S44800	SAE	USA
S44800	AISI	USA
SA-240 S44800	AMS	USA
SA-268 S44800	AMS	USA
SA-276 S44800	AMS	USA
SA-479 S44800	AMS	USA
A 268 29-4	SAE	USA
A 268 29-4-2	SAE	USA
A 29 4012	SAE	USA
A 29 4023	SAE	USA
A 29 4024	SAE	USA
A 29 4027	SAE	USA
A 29 4028	SAE	USA
A 29 4032	SAE	USA
A 29 4037	SAE	USA
A 29 4042	SAE	USA
A 29 4047	SAE	USA
A 29 40L12	SAE	USA
A 29 40L23	SAE	USA
A 29 40L24	SAE	USA
A 29 40L27	SAE	USA
A 29 40L28	SAE	USA
A 29 40L32	SAE	USA
A 29 40L37	SAE	USA
A 29 40L42	SAE	USA
A 29 40L47	SAE	USA
A 29 4118	SAE	USA
A 29 4120	SAE	USA
A 29 4121	SAE	USA
A 29 4130	SAE	USA
A 29 4135	SAE	USA
A 29 4137	SAE	USA
A 29 4140	SAE	USA
A 29 4142	SAE	USA
A 29 4145	SAE	USA
A 29 4147	SAE	USA
A 29 4150	SAE	USA
A 29 4161	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.01
Si		0.20
Mn		0.30
P
S
Ni		0.15
Cr	28.00	30.00
Al
Cu		0.15
Ti
Fe
N		0.02
Mo	3.50	4.20

Mechanical Properties

Tensile strength	273～271	σb/MPa
Yield Strength	253	σ 0.2 ≥/MPa
Elongation	98	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	197～344	-
HRC	30	-

Physical Properties

Thermal expansion	44-37	e-6/K
Thermal conductivity	34-56	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2679-3837	째C
Density	9109-3761	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 959 Type 29-4-2 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