STS440F

This page provides STS440F datasheet, STS440F mechanical properties, chemical element STS440F, technical specifications of STS440F steel material properties. STS440F performance specifications.

KS STS440F
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy STS440F KS Korea martensitic steel
STS41OF2
STS416
STS420J1
STS420J2
STS420F
STS420F2
STS431
STS440A
STS440B
STS440C
Datasheet for:Steel Grades:Special Alloy:STS440F

Chemical composition(mass fraction)(wt.%) of the STS440F

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.95-1.20 Max 1.00 Max 1.25 Max 0.06 Max 0.15 16.O-18.0 Max 0.60 Max 0.75

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade STS440F

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)
652 (≥) 544 (≥) 34 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 131
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
23 - -     0.33 -  
413 587 - 14.3 221   -  
773 - 42 34.2   143 442
Heat treated : 1891°C - 1256°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
STS440F KS Korea
martensitic steel
STS440F KS Korea
martensitic steel
STS440F

Haihong International Trade (HK) CO., Limited

Stainless Steel, Special Steel, Compressor Blading, Turbine Blading, Superalloy Supplier.
STS440F can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
TEL:+86-816-3646575 FAX: +86-816-3639422
M/B:+86-15386639257
E-mail: sales@tool-die-steels.com
Website: http://www.tool-die-steels.com/
Join Supplier: sales@steel-grades.com