Skip to main content

Carbon Steel H-11 | UNS# T20811

Carbon Steel H-11: forms, specifications and uses

Carbon Steel H-11 (UNS T20811), also known as Tool Steel H11 is a chromium-based steel alloy in the “H” family of steels according to the AISI classification system.

Titanium Industries offers Carbon Steel H-11 Round Bar from its locations.

Carbon Steel H-11 is supplied to specifications including AMS 6485, AMS 6487 and AMS 6488.

Typical uses of Carbon Steel H-11 include aerospace landing gear, rotorcraft blades and shafts and die-casting dies.

For Carbon Steel H-11, request a quote online or contact your nearest Titanium Industries location. Alloy data on this page is for reference only, not for design.

Round bar, one of the Carbon Steel H-11 product forms Titanium Industries stocks

Carbon Steel H-11 | UNS# T20811, also known as Tool Steel H11 is a chromium-based steel alloy in the “H” family of steels according to the AISI classification system. One of the more commonly used alloys in the "H" family, H-11 demonstrates excellent impact toughness, excellent resistance to cracking, and thermal fatigue cracking. Because of these desirable traits, H-11 is often used in the aerospace industry for landing gear, blades for rotorcraft and shafts, die-casting dies and similar applications.

Carbon Steel H-11 Specifications:

  • AMS: AMS 6485, AMS 6487, AMS 6488

Carbon Steel H-11 product forms offered at all Titanium Industries' locations:

Please find Titanium Industries' inventory of Carbon Steel Round Bar here.

Carbon Steel H-11 Applications:

  • Aerospace Landing Gear
  • Rotorcraft Blades and Shafts
  • Die-casting Dies

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

Carbon Steel H-11 | UNS# T20811 — Table 1
Chemical Composition
C 0.38 - 0.43% Mn 0.20 - 0.40% Si 0.80 - 1.00% S 0.015% Max  P 0.015% Max
Cr 4.75 - 5.25 % Mo 1.20 - 1.40% V 0.40 - 0.60% Ni 0.25%  Max Cu 0.35%  Max
Fe Balance
Carbon Steel H-11 | UNS# T20811 — Table 2
PHYSICAL PROPERTIES
Density Electrical conductivity (% IACS) Thermal conductivity (BTU-in/hr-ft²-°F) Specific heat capacity Thermal expansion (1/°F) Melting Point (°F)
0.282 - 171 - 6.63 2600
Carbon Steel H-11 | UNS# T20811 — Table 3
Mechanical Properties
Property Minimum Maximum
Yield Strength Range (Rp0.2 Offset) (ksi) 215 -
Tensile Strength Range (Rm) (ksi) 260 -
Elongation (AL=5 x Ø) 8% -
Hardness, Rockwell C 56 -
Modulus of Elasticity (ksi) (E): 27500
Machineability General Index: 75 - 80%

Carbon Steel H-11: questions and answers

What is Carbon Steel H-11?

Carbon Steel H-11 (UNS T20811), also known as Tool Steel H11 is a chromium-based steel alloy in the “H” family of steels according to the AISI classification system.

Which Carbon Steel H-11 product forms does Titanium Industries stock?

Carbon Steel H-11 Round Bar.

Which specifications does Carbon Steel H-11 meet?

AMS 6485, AMS 6487 and AMS 6488.

What is Carbon Steel H-11 used for?

Aerospace landing gear, rotorcraft blades and shafts and die-casting dies.

English · language options require JavaScript