Model No: 8CrSi7-7

8CrSi7-7

8CrSi7-7 steel, German DIN standard heat-resistant steel.
Delivery :
FOB
minimum order :
100 kilograms
Supply Ability :
5000Tonkilograms / Month
Stock Time :
7-10Day
Country of Origin :
CHINA
Quantity :
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8CrSi7-7 Description

8CrSi7-7 steel, German DIN standard heat-resistant steel.

Chemical composition(mass fraction)(wt.%) of the 8CrSi7-7

C(%)Si(%)Mn(%)P(%)s(%)Cr(%)
Max 0.101.50-1.80Max 1.00Max 0.045Max 0.0301.50-2.00
 

Mechanical Properties of steel grade 8CrSi7-7

Yield
Ro.2
(MPa)
Tensile
Rm
(MPa)
Impact
KV/Ku
()
Elongation
A (%)
Reduction in cross
section on fracture
Z(%)
As-Heat-Treated ConditionBrinell
hardness (HBW)
271(≥)769 [≥]444141Solution and Aging.
Annealing,Ausaging. Q+T.etc
231
 

Physical Properties of steel grade 8CrSi7-7

Temperature
(°C)
Modulus
of
elasticity
(GPa)
Mean coeffcient
of thermal
expansion 10-
6/(°C)between
20(°c) and
Thermal
conductivity
(W/m.°C)
Specifc
thermal
capacity
(/kg·°c)
Specifc
electrical
resistivity
(2 mm'/m)
Density
(kg/dm³)
Poisson's
coeffcient,
L
14--0.11--
484287-22.3133---
162-1144.2--214343
 

Heat Treatment of steel grade 8CrSi7-7

Heat treated :1266°C-1577°C