Available 24/7 at contact@steel-grades.com

Description

UK B.S. BS T 74, T.74 Specialsteel Specification for low carbon 18/10 chromium-nickel corrosion-resisting steel tube (500 N/mm2) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: T.74
Category Class Grade Standard Country Application
Steel GradesSpecialsteel T.74 B.S. UK Specification for low carbon 18/10 chromium-nickel corrosion-resisting steel tube (500 N/mm2)

Chemical composition(mass fraction)(wt.%) of the T.74

C Si Mn P S Cr Ni Mo Nb/Ti
≤0.030 0.20 -1.00 0.50 -2.00 ≤0.035 ≤0.025 17.00 -19.00 9.00 -12.00 ≤ ≥ ≤ ≥

Mechanical Properties of steel grade T.74

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)
459 (≥) 165 (≥) 42 12 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade T.74

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
43 - -     0.32 -  
498 222 - 34.3 213   -  
214 - 24 11.2   411 322

Heat Treatment of steel grade T.74

Heat treated : 1135°C - 1673°C

Technological Curves of steel grade T.74

Relevant standard of T.74

BS T 74 Specification for low carbon 18/10 chromium-nickel corrosion-resisting steel tube (500 N/mm2) BS-T-74.pdf

Available Suppliers

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...

Rfq.: sales@longhaisteel.com
  • Do you supply this T.74?
  • List your company on S&G now? Join
  • Non-paying users only
Top