H11 Hot working tool steel


Standards: ASTM A681

Shape: Squares, Flats, Blocks, Bars

Size: Round bar 50mm-200mm; Plate 6-150mm

Delivery condition: Annealed, Hardening, Tempering


H11 is a chromium-based steel hot work tool steel that is characterized by excellent impact toughness and good red-hardness.. It contains less vanadium than the H13 steel and better impact toughness. It can be deep hardened by heat treatment and air-quenching. H-11 hot work tool steel is recommended for highly stressed structural parts or maximum resistance to cracking is required such as aircraft landing gear, hot punches, die casting dies, forging dies, hot shear blades, hot gripper dies, and extrusion tooling.


H11 Equivalent Material

SAE J438

SAE J467

T20811 1.2343


SKD6 BH 11 4Cr5MoVSi


H11 Chemical Composition

C Mn Si Cr Ni Mo V Cu S P
0.33-0.43 0.20-0.50 0.80-1.20 4.75-5.50 0.3 1.10-1.6 0.30-0.6 0.25 0.03 0.03


H11 Mechanical Property

Density Tensile Strength Yield Strength Elongation at Break
7.81 g/cm3 1792 MPa 1482 MPa 8 %


H11 Hardness Rockwell C

Air cooled at 982°C 52.5
Air cooled 1010°C 56
Air cooled at 1038°C 57


Wiho Steel is a fully stocked and leading AISI H11 steel manufacturer, supplier, exporters, distributors in the forms round bar, flat plate and squares. The tool steel products provide by us shall be fabricated from prime quality raw materials and is fully certifiable to industrial specifications like ASTM, SAE and ASME or other relevant standards. Wiho Steel supply and stock a large inventory of ASTM 681 H11(X38CrMoV51/ SKD6/ BH 11/ 4Cr5MoVSi) bar, plate for tool and die applications. For more information on our extensive steel alloys inventory, please contact us or fill in the form below.

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