MIL 46193 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: United States / MIL

Data updates

Latest Update: 2014-09
Total number of updates: 1
Update History

This material has 21 properties — only a subset is shown here.

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MIL 46193 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.0200 – 0.0800
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
B
VALUE
≤ 0.0025
UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
C
VALUE
0.3700 – 0.4000
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
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

MIL-DTL-46193A: 1998 / Armor plate, control rolled, steel, wrought, high strength, high quality

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MIL 46193 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 21 properties — only a subset is shown here.

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MIL 46193 Heat Treatments

  • Rolling criteria: Hot shearing of slabs followed by slow cooling is recommended. All starting slab material shall be heated to 1700°F ± 25°F (927°C ± 4°C). For all final gages the slab thickness must allow for a min. of 85% reduction. A slab to plate finishing rolling temperature shall not be lower than 1350°F (732°C). A slab to plate reduction of 10 to 20% per pass is recommended along with air cooling and/or spray quenching of top and bottom of oscillating material; Heat treatment: All plates in each lot, including samples, shall receive the same tempering. Local or general heating shall not be performed after final tempering operation. All plates shall be tempered at a temperature of at least 325°F + 25°F (162°C + 4°C) for a total of 30 minutes after the center line of the plate reaches 325°F (162°C). Since material made to this specification may develop stress cracks it is recommended that all plates be tempered immediately after quenching.

MIL 46193 Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
≤ 496
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Impact Energy
≥ 14 J
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  • -Cross References
  • 11Composition
  • 4Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • 2Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers