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321S51(1105) chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 321S51(1105)

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B.S. 321S51(1105)

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This page is mainly introduced the 321S51(1105) chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 321S51(1105),such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Steel Garde:321S51(1105)
Type:Stainless Steels
Country:UK
Standard:B.S.
Standard Number:

ITEM Standard Number Descriptions

1 BS 3605-1 Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes
Application:Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

ITEM	Standard Number	Descriptions
1	BS 3605-1	Austenitic stainless steel pipes and tubes for pressure purposes. Specification for seamless tubes

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.04	0.10
Si		1.00
Mn		2.00
P		0.04
S		0.03
Cr	17.00	19.00
Mo
Ni	9.00	12.00
Ti		0.80

Mechanical Properties

Tensile strength	378～804	σb/MPa
Yield Strength	763	σ 0.2 ≥/MPa
Elongation	47	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	578～686	-
HRC	30	-

Physical Properties

Thermal expansion	09-21	e-6/K
Thermal conductivity	21-14	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3476-4223	째C
Density	6821-0627	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)
321S51(1105) 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