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SA-299 Grade B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-299 Grade B

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AMS SA-299 Grade B

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This page is mainly introduced the SA-299 Grade B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-299 Grade B,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Pressure Vessel Plates, Carbon Steel, Manganese-Silicon

Steel Garde:SA-299 Grade B
Type:Stainless Steels
Country:USA
Standard:AMS
Standard Number:

ITEM Standard Number Descriptions

1 SA-299/SA-299M Pressure Vessel Plates, Carbon Steel, Manganese-Silicon
Metallographic Structure:Precipitation-Hardening
Application:Pressure Vessel Plates, Carbon Steel, Manganese-Silicon

ITEM	Standard Number	Descriptions
1	SA-299/SA-299M	Pressure Vessel Plates, Carbon Steel, Manganese-Silicon

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 29 9254	SAE	USA
A 29 9255	SAE	USA
A 29 9259	SAE	USA
A 29 9260	SAE	USA
A 29 92L54	SAE	USA
A 29 92L55	SAE	USA
A 29 92L59	SAE	USA
A 29 92L60	SAE	USA
A 29 94B17	SAE	USA
A 29 94B30	SAE	USA
A 299 Grade A	SAE	USA
A 299 Grade B	SAE	USA
A 743 J92999	SAE	USA
B 299 EL	SAE	USA
B 299 GP	SAE	USA
B 299 MD	SAE	USA
B 299 ML	SAE	USA
B 299 SL	SAE	USA
B 562 Grade 99.5	SAE	USA
B 562 Grade 99.95	SAE	USA
B 562 Grade 99.99	SAE	USA
B 562 Grade 99.995	SAE	USA
B 92 9980A	SAE	USA
B 92 9980B	SAE	USA
B 92 9990A	SAE	USA
B 92 9995A	SAE	USA
B 92 9998A	SAE	USA
J92999	AISI	USA
K64299	AISI	USA
M29951	AISI	USA
M29952	AISI	USA
M29953	AISI	USA
M29954	AISI	USA
S64299	AISI	USA
SA-29 Grade 9254	AMS	USA
SA-29 Grade 9255	AMS	USA
SA-29 Grade 9259	AMS	USA
SA-29 Grade 9260	AMS	USA
SA-29 Grade 92L54	AMS	USA
SA-29 Grade 92L55	AMS	USA
SA-29 Grade 92L59	AMS	USA
SA-29 Grade 92L60	AMS	USA
SA-29 Grade 94B17	AMS	USA
SA-29 Grade 94B30	AMS	USA
SA-299 Grade A	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.08	0.15
Si		0.75
Mn	1.00	2.00
P
S		0.03
Ni	8.50	10.50
Cr	27.00	31.00
Al
Cu		0.50
Ti
Fe
N
Mo		0.50

Mechanical Properties

Tensile strength	481～433	σb/MPa
Yield Strength	873	σ 0.2 ≥/MPa
Elongation	36	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	882～425	-
HRC	30	-

Physical Properties

Thermal expansion	30-84	e-6/K
Thermal conductivity	41-50	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3040-9506	째C
Density	6879-2321	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)
SA-299 Grade B 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