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A 955 XM-29 Grade 420 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 955 XM-29 Grade 420

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SAE A 955 XM-29 Grade 420

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A 955 XM-29 Grade 420 Profile
A 955 XM-29 Grade 420 Chemical composition
A 955 XM-29 Grade 420 Mechanical Properties
A 955 XM-29 Grade 420 Physical Properties
A 955 XM-29 Grade 420 Heat treatment
A 955 XM-29 Grade 420 Size Availability
A 955 XM-29 Grade 420 Relevant products

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This page is mainly introduced the A 955 XM-29 Grade 420 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 955 XM-29 Grade 420,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement

Steel Garde:A 955 XM-29 Grade 420
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 A 955/A 955M (2012) Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement
Metallographic Structure:Precipitation-Hardening
Application:Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement

ITEM	Standard Number	Descriptions
1	A 955/A 955M (2012)	Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
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 29-4-2	SAE	USA
A 511 29-4-2	SAE	USA
A 529 Grade 42	SAE	USA
A 731 Grade 29-4-2	SAE	USA
A 791 Grade 29-4-2	SAE	USA
A 803 Grade 29-4-2	SAE	USA
A 959 Type 29-4-2	SAE	USA
SA-240 Type 29-4-2	AMS	USA
SA-268 29-4-2	AMS	USA
SA-731 29-4-2	AMS	USA
SA-803 29-4-2	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.01
Si		0.20
Mn		0.30
P
S
Ni	2.00	2.50
Cr	28.00	30.00
Al
Cu		0.15
Ti
Fe
N		0.02
Mo	3.50	4.20

Mechanical Properties

Tensile strength	307～427	σb/MPa
Yield Strength	548	σ 0.2 ≥/MPa
Elongation	82	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	654～679	-
HRC	30	-

Physical Properties

Thermal expansion	40-88	e-6/K
Thermal conductivity	38-37	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8124-5453	째C
Density	9739-4395	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 955 XM-29 Grade 420 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