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

Germany DIN St37.8 Electric Pressure-welded Steel Tubes for Elevated Temperatures - Technical Conditions of Delivery and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: St37.8 / St 37.8
Category Grade Standard Region/Area Standard Content
Metals St 37.8 DIN 17177 Germany Electric Pressure-welded Steel Tubes for Elevated Temperatures - Technical Conditions of Delivery

Chemical composition(mass fraction)(wt.%) of the St 37.8

Element Min Max Similar
Si 0.1000 0.3500 -
S - 0.0400 -
P - 0.0400 -
Mn 0.4000 0.8000 -
C - 0.1700 -

Mechanical Properties of steel grade St 37.8

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)
282 (≥) 533 (≥) 21 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade St 37.8

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
11 - -     0.21 -  
344 786 - 41.3 132   -  
236 - 23 43.2   234 332

Heat Treatment of steel grade St 37.8

Heat treated : 1612°C - 1296°C

Technological Curves of steel grade St 37.8

Cross Reference Table (Equivalent Grade) of St 37.8

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 St 37.8?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top