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T.75

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T.74 2HR1
#T-75

Description

UK B.S. BS T 75, T.75 Specialsteel Specification for low carbon 17/12 chromium-nickel-molybdenum corrosion-resisting steel tube (500 N/mm2) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: T.75
Category Class Grade Standard Country Application
Steel GradesSpecialsteel T.75 B.S. UK Specification for low carbon 17/12 chromium-nickel-molybdenum corrosion-resisting steel tube (500 N/mm2)

Chemical composition(mass fraction)(wt.%) of the T.75

C Si Mn P S Cr Ni Mo Nb/Ti
≤0.030 0.20 -1.00 0.50 -2.00 ≤0.035 ≤0.025 16.50 -18.50 11.00 -14.00 2.25 -3.00 ≤ ≥

Mechanical Properties of steel grade T.75

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
333 (≥) 519 (≥) 32 12 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade T.75

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
22 - -     0.11 -  
817 994 - 32.3 234   -  
693 - 22 23.2   413 413

Heat Treatment of steel grade T.75

Heat treated : 1451°C - 1178°C

Technological Curves of steel grade T.75

Relevant standard of T.75

BS T 75 Specification for low carbon 17/12 chromium-nickel-molybdenum corrosion-resisting steel tube (500 N/mm2) BS-T-75.pdf
T.74 2HR1
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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