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

S 420 G 6 + QT

EU EN S420G6+QT 固定近海结构的可焊接结构钢 - 交货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S420G6+QT / S 420 G 6 + QT
Category Grade Standard Region/Area Standard Content
Metals S 420 G 6 + QT EN 10225 EU 固定近海结构的可焊接结构钢 - 交货技术条件

Chemical composition(mass fraction)(wt.%) of the S 420 G 6 + QT

Element Min Max Similar
V - 0.1000 -
Ti - 0.0400 -
Sn - 0.0200 -
Si 0.1500 0.5500 -
Sb - 0.0100 -
S - 0.0070 -
Pb - 0.0100 -
P - 0.0250 -
Ni - 0.6500 -
Nb+V - 0.1000 -
Nb+Ti+V - 0.1200 -
Nb - 0.0500 -
N - 0.0140 -
Mo - 0.2500 -
Mn 1.0000 1.6500 -
Cu - 0.3000 -
Cr+Ni+Cu+Mo - 0.8000 -
Cr - 0.3000 -
Ca - 0.0050 -
C - 0.1600 -
Bi - 0.0100 -
B - 0.0005 -
As - 0.0200 -
Al - 0.0600 -

Mechanical Properties of steel grade S 420 G 6 + QT

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)
972 (≥) 119 (≥) 22 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade S 420 G 6 + QT

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
14 - -     0.21 -  
639 428 - 14.3 113   -  
482 - 23 41.2   334 343

Heat Treatment of steel grade S 420 G 6 + QT

Heat treated : 1955°C - 1665°C

Technological Curves of steel grade S 420 G 6 + QT

Cross Reference Table (Equivalent Grade) of S 420 G 6 + QT

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 S 420 G 6 + QT?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top