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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	655～739	σb/MPa
Yield Strength	394	σ 0.2 ≥/MPa
Elongation	47	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	748～847	-
HRC	30	-

Physical Properties

Thermal expansion	91-70	e-6/K
Thermal conductivity	21-99	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5213-7395	째C
Density	8401-2043	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