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T.75 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T.75

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B.S. T.75

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This page is mainly introduced the T.75 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T.75,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for low carbon 17/12 chromium-nickel-molybdenum corrosion-resisting steel tube (500 N/mm2)

Steel Garde:T.75
Type:Stainless Steels
Country:UK
Standard:B.S.
Standard Number:

ITEM Standard Number Descriptions

1 BS T 75 Specification for low carbon 17/12 chromium-nickel-molybdenum corrosion-resisting steel tube (500 N/mm2)
Application:Specification for low carbon 17/12 chromium-nickel-molybdenum corrosion-resisting steel tube (500 N/mm2)

ITEM	Standard Number	Descriptions
1	BS T 75	Specification for low carbon 17/12 chromium-nickel-molybdenum corrosion-resisting steel tube (500 N/mm2)

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.030
Si	0.20	1.00
Mn	0.50	2.00
P		0.035
S		0.025
Cr	16.50	18.50
Ni	11.00	14.00
Mo	2.25	3.00
Nb/Ti

Mechanical Properties

Tensile strength	240～602	σb/MPa
Yield Strength	665	σ 0.2 ≥/MPa
Elongation	24	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	219～775	-
HRC	30	-

Physical Properties

Thermal expansion	28-93	e-6/K
Thermal conductivity	18-49	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0687-4455	째C
Density	3141-2344	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)
T.75 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