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Description

France AFNOR NF EN 10088-1, NF EN 10088-2, NF EN 10088-3, NF EN 10151, NF EN 10250-4, 1.4028 Specialsteel Open die steel forgings for general engineering purposes - Part 4: Stainless steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1.4028
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 1.4028 Martensite AFNOR France Open die steel forgings for general engineering purposes - Part 4: Stainless steels

Chemical composition(mass fraction)(wt.%) of the 1.4028

C Si Mn P S Cr Mo Ni
0.26 -0.35 ≤1.00 ≤1.50 ≤0.040 ≤0.015 12.00 -14.00 ≤ ≥ ≤ ≥

Mechanical Properties of steel grade 1.4028

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)
868 (≥) 857 (≥) 42 22 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade 1.4028

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
34 - -     0.43 -  
323 928 - 22.3 214   -  
595 - 12 44.2   122 132

Heat Treatment of steel grade 1.4028

Heat treated : 1199°C - 1396°C

Technological Curves of steel grade 1.4028

Cross Reference Table (Equivalent Grade) of 1.4028

Grade Standard Country Application
X30Cr13
X30Cr13
X30Cr13

Relevant standard of 1.4028

NF EN 10088-1 Stainless steels - Part 1: List of stainless steels NF-EN-10088-1.pdf
NF EN 10088-2 Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes NF-EN-10088-2.pdf
NF EN 10088-3 Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes NF-EN-10088-3.pdf
NF EN 10151 Stainless steel strip for springs - Technical delivery conditions NF-EN-10151.pdf
NF EN 10250-4 Open die steel forgings for general engineering purposes - Part 4: Stainless steels NF-EN-10250-4.pdf

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