1.4037 (Germany / DIN) Material Properties

Other designations: ,
Material group: Ferrous Alloys / Stainless steels
Country/Standard: Germany / DIN

Data updates

Latest Update: 2025-07
Total number of updates: 5
Update History:
2024-03 2021-03 2019-03 2017-01

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Tensile Strength ≤ 840 MPa view details
Brinell Hardness (HB) ≤ 265 view details
Rockwell Hardness (HR) 57 — 61 view details
Vickers Hardness (HV) val1
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Tensile Strength ≤ 121.8 ksi view details
Brinell Hardness (HB) ≤ 265 view details
Rockwell Hardness (HR) 57 — 61 view details
Vickers Hardness (HV) val1
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Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 220 GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Density val1
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kg/dm³ view details
Poisson Coefficient val1
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Thermal Conductivity 25 — 30 W/(m∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Electrical Resistivity 0.55 — 0.6 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Modulus of Elasticity 27.6 E+03 — 31.9 E+03 ksi view details
Modulus of Elasticity val1
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ksi view details
Modulus of Elasticity val1
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ksi view details
Modulus of Elasticity val1
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ksi view details
Density val1
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lb/in³ view details
Poisson Coefficient val1
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Thermal Conductivity 14.4 — 17.3 BTU/(h∙ft∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Electrical Resistivity 331 — 361 Ω∙circular·mil/ft view details
Electrical Conductivity val1
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S/in view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.58 – 0.70
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
12.50 – 14.50
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 1.00
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

SEW 400: 1997 / Stainless steels for rolled and forged products

Heat Treatments

  • <b>Annealing</b>: Heated at 730-800°C, furnace cooled <br /><b>Hardening or quenching</b>: Heated at 980-1030°C, oil quenched <br /><b>Tempering:</b> Heated at 100-300°C
  • Hot working (slowly cooling): 1100-800°C<br>+A - Annealing (furnace or air cooling): 750-850°C<br><br>Hot formed conditions:<br>1U - Hot formed, not heat treated, not descaled.<br>1C - Hot formed, heat treated, not descaled. <br>1E - Hot formed, heat treated, mechanically descaled. <br>1D - Hot formed, heat treated, pickled, coated (optional).<br>1X - Hot formed, heat treated, rough machined.<br>1G - Hot formed, heat treated, descaled, rough machined or shaved in the case of rod. <br>Cold processed conditions:<br>2H - Finishes 1E, 1D or 1X, cold processed, coated (optional).<br>2D - Finish 2H, heat treated, pickled and skin- passed (optional), coated (optional). <br>2B - Finishes 1E, 1D or 1X, cold processed, mechanically smoothed. <br>2G - Finishes 2H, 2D or 2B, centreless ground, mechanically smoothed (optional). <br>P - Finishes 2H, 2D, 2B or 2G, specular polishing.