PROPRIETARY UGI 4418 AIR Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country / Standard: PROPRIETARY

Data updates

Latest Update: 2021-06
Total number of updates: 2
Update History
2021-04

This material has 243 properties — only a subset is shown here.

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PROPRIETARY UGI 4418 AIR Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.060
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
15.0 – 17.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.5
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

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PROPRIETARY UGI 4418 AIR Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Thermal Conductivity
val1
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W/(m∙°C)
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Electrical Resistivity
val1
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Ω∙mm²/m
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Density
val1
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kg/dm³
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Electrical Conductivity
val1
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S/m
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Heat Capacity
val1
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J/(kg∙°C)
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Poisson Coefficient
val1
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This material has 243 properties — only a subset is shown here.

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PROPRIETARY UGI 4418 AIR Heat Treatments

  • Forging: heating between 1150°C and 1200°C is recommended. Forging must preferably be carried out at a temperature of between 1200°C and 900°C, followed by air cooling;
    Softening: soft annealing is carried out between 600 and 650°C;
    Quenching: quenching heat treatment consists of austenitizing between 1010°C and 1060°C, followed by oil quenching (or air quenching for smaller sections). To limit the risks of quenching cracks, tempering must be carried out as soon as possible after the quenching operation, after returning to the ambient temperature;
    Tempering: QT 900 level: tempering between 550°C and 620°C;
    QT 1100 and QT1150 levels: tempering between 375°C and 405°C;
    The tempering period is generally between 2 h and 4 h and is followed by air or oil cooling. Double tempering can be used to soften the grade further. The temperature range between 400°C and 450°C should be avoided, as it can lead to excessive metal embrittlement.

PROPRIETARY UGI 4418 AIR Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
896.1 — 1300 MPa
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Brinell Hardness (HB)
269 — 401
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Elongation, A
≥ 8 %
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Impact Energy
val1
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J
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Yield Strength, Rp0.2
val1
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MPa
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PROPRIETARY UGI 4418 AIR International Equivalent Materials

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COUNTRY / PRODUCER
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Z 6 CND 16-05-01
STANDARD
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STANDARD
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STANDARD
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Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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  • 83Cross References
  • 10Composition
  • 47Mechanical Properties
  • 17Physical Properties
  • 1Heat Treatment
  • 1Metallography
  • -Machinability
  • 10Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 74Total Suppliers