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2T.68 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 2T.68

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B.S. 2T.68

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This page is mainly introduced the 2T.68 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 2T.68,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for cold drawn 18/10 chromium-nickel corrosion-resisting steel tube (niobium stabilized: 800 MPa) (weldable)

Steel Garde:2T.68
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS 2T 68	Specification for cold drawn 18/10 chromium-nickel corrosion-resisting steel tube (niobium stabilized: 800 MPa) (weldable)

Application:Specification for cold drawn 18/10 chromium-nickel corrosion-resisting steel tube (niobium stabilized: 800 MPa) (weldable)

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si	0.20	1.00
Mn	0.50	2.00
P		0.035
S		0.025
Cr	17.00	19.00
Ni	9.00	12.00
Mo
Nb	10×C	1.00

Mechanical Properties

Tensile strength	053～200	σb/MPa
Yield Strength	367	σ 0.2 ≥/MPa
Elongation	10	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	681～092	-
HRC	30	-

Physical Properties

Thermal expansion	54-40	e-6/K
Thermal conductivity	36-35	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5359-6144	째C
Density	4389-5724	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)
2T.68 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