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Alloy Steel HP 9-4-30| UNS# K91283

Alloy Steel AISI HP 9-4-30: forms, specifications and uses

Alloy Steel AISI HP 9-4-30 (UNS K91283): Alloy Steel AISI 9-4-30 Vac Melt is a low alloy, high strength steel with a high nickel and cobalt content to promote toughness.

Titanium Industries offers Alloy Steel AISI 9-4-30 Vac Melt is a low alloy, high strength steel with a high nickel and cobalt content to promote toughness. Designed to have high hardenability with good weldability and excellent fracture toughness, HP 9-4-30 Vac Melt is often used in aircraft structural components, rocket motor cases, armor plate, pressure vessels and gears. Alloy Steel AISI 9-4-30 Vac Melt from its locations.

Alloy Steel AISI HP 9-4-30 is supplied to specifications including AMS-S-5626 and MIL-STD-2154.

Typical uses of Alloy Steel AISI HP 9-4-30 include aircraft structural components, rocket motor cases, armor plate, pressure vessels and gears.

For Alloy Steel AISI HP 9-4-30, request a quote online or contact your nearest Titanium Industries location. Alloy data on this page is for reference only, not for design.

Plate, one of the Alloy Steel AISI HP 9-4-30 product forms Titanium Industries stocks

Alloy Steel AISI 9-4-30 Vac Melt is a low alloy, high strength steel with a high nickel and cobalt content to promote toughness. Designed to have high hardenability with good weldability and excellent fracture toughness, HP 9-4-30 Vac Melt is often used in aircraft structural components, rocket motor cases, armor plate, pressure vessels and gears.

Alloy Steel AISI 9-4-30 Vac Melt Specifications:

Alloy Steel AISI HP 9-4-30 Applications:

  • Aircraft structural components
  • Rocket motor cases
  • Armor plate
  • Pressure vessels
  • Gears

Discounted Alloy Steel Round Bar

DISCLAIMER: Alloy data sheets are for reference only, not for design purposes.

Alloy Steel AISI HP 9-4-30 | UNS# K91283 — Table 1
Chemical Composition
C 0.30% Mn 0.30% Si 0.10% Cr 1.00% V 0.10%
Mo 1.00% Ni 7.50% Co 4.50%
Alloy Steel AISI HP 9-4-30 | UNS# K91283 — Table 2
PHYSICAL PROPERTIES
Density (lbs/cubic in) Electrical conductivity (% IACS) Thermal conductivity (W/m-K) Specific heat capacity (BTU/lb-°F) Thermal expansion (µm/m-K) Melting Point (°F)
0.28 - - - - -
Alloy Steel AISI HP 9-4-30 | UNS# K91283 — Table 3
Mechanical Properties
Property Minimum Maximum
Yield Strength Range (Mpa) 1580 1600
Tensile Strength Range (Mpa) 1580 1600
Elongation 14% 15%
Hardness, Brinell - -
Modulus of Elasticity (ksi) (E): -
Machineability General Index: -

Alloy Steel AISI HP 9-4-30: questions and answers

What is Alloy Steel AISI HP 9-4-30?

Alloy Steel AISI 9-4-30 Vac Melt is a low alloy, high strength steel with a high nickel and cobalt content to promote toughness.

Which Alloy Steel AISI HP 9-4-30 product forms does Titanium Industries stock?

Alloy Steel AISI 9-4-30 Vac Melt is a low alloy, high strength steel with a high nickel and cobalt content to promote toughness. Designed to have high hardenability with good weldability and excellent fracture toughness, HP 9-4-30 Vac Melt is often used in aircraft structural components, rocket motor cases, armor plate, pressure vessels and gears. Alloy Steel AISI 9-4-30 Vac Melt.

Which specifications does Alloy Steel AISI HP 9-4-30 meet?

AMS-S-5626 and MIL-STD-2154.

What is Alloy Steel AISI HP 9-4-30 used for?

Aircraft structural components, rocket motor cases, armor plate, pressure vessels and gears.

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