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SA-312 TP310HCb chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-312 TP310HCb

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AMS SA-312 TP310HCb

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This page is mainly introduced the SA-312 TP310HCb chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-312 TP310HCb,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Steel Garde:SA-312 TP310HCb
Type:Stainless Steels
Country:USA
Standard:AMS
Standard Number:

ITEM Standard Number Descriptions

1 SA-312/SA-312M Specification for Seamless and Welded Austenitic Stainless Steel Pipes
Metallographic Structure:Austenite
Application:Specification for Seamless and Welded Austenitic Stainless Steel Pipes

ITEM	Standard Number	Descriptions
1	SA-312/SA-312M	Specification for Seamless and Welded Austenitic Stainless Steel Pipes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
310HCb	UNS	USA
A 213 TP310HCb	SAE	USA
A 240 Type 310HCb	SAE	USA
A 249 TP310HCb	SAE	USA
A 312 TP310HCb	SAE	USA
A 943 TP310HCb	SAE	USA
A 959 Type 310HCb	SAE	USA
SA-213 TP310HCb	AMS	USA
SA-249 TP310HCb	AMS	USA
A 240 S31041	SAE	USA
A 249 S31041	SAE	USA
S31041	AISI	USA
SA-240 S31041	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.04	0.10
Si		0.75
Mn		2.00
P		0.045
S		0.030
Cr	24.00	26.00
Ni	19.00	22.00
Nb+Ta		1.10
Cu		0.75

Mechanical Properties

Tensile strength	351～102	σb/MPa
Yield Strength	899	σ 0.2 ≥/MPa
Elongation	09	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	587～990	-
HRC	30	-

Physical Properties

Thermal expansion	45-16	e-6/K
Thermal conductivity	79-22	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9955-2229	째C
Density	6119-3804	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-312 TP310HCb 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