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DIN 1.4122, X35CrMo17, X39CrMo17-1 Details

Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments

1.4122, X35CrMo17, X39CrMo17-1 Application:Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments

Category Type Grade Microstructure Designations
Grades Stainless Steels - Special Steels 1.4122, X35CrMo17, X39CrMo17-1 Martensite Germany - DIN , SEW 400 - Stainless steels for rolled and forged products
DIN 17442 - Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments

Chemical composition(wt.%) of 1.4122, X35CrMo17, X39CrMo17-1 grade: SEW 400

Elements Min.(≥) Max.(≤)
C 0.33 0.45
Si - 1.00
Mn - 1.00
P - 0.040
S - 0.030
Cr 15.50 17.50
Ni - 1.00
Mo 0.80 1.30

Mechanical properties of grade 1.4122, X35CrMo17, X39CrMo17-1 SEW 400

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
788 (≥) 512 (≥) 13 12 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical properties of grade 1.4122, X35CrMo17, X39CrMo17-1 SEW 400

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
251 (≥) 276 (≥) 14 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 341
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
555 977 225

1.4122, X35CrMo17, X39CrMo17-1 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
1.4122, X35CrMo17, X39CrMo17-1 DIN Germany
Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments
X39CrMo17-1 AWS Germany
Stainless steels - Part 3: Technical dStainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposeselivery conditions for semi-finishe
1.4122 AWS Germany
Stainless steels - Part 3: Technical dStainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposeselivery conditions for semi-finishe
X39CrMo17-1 B.S. UK
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
1.4122 B.S. UK
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
X39CrMo17-1 AFNOR France
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
1.4122 AFNOR France
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

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