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Steel Specials H13 Material Property Data Sheet

Do you need custom fasteners created with Steel Specials H13? Since our inception, Vegas Fastener Manufacturing has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Steel Specials H13 Bar Stock we have available to meet your needs.

 

AISI Type H13 Hot Work Tool Steel, air or oil quenched from 995-1025C


Subcategory: Hot Work Steel; Metal; Tool Steel

Key Words: UNS T20813, ASTM A681, FED QQ-T-570, BS 4659 BH13, BS 4659 H13, BS EN ISO 4957 :2000 X40CrMoV5-1, Werkstoff 1.2344

Component   Wt. %
C0.32 - 0.4 
Cr5.13 - 5.25 
FeMin 90.95 
Mo1.33 - 1.4 
Si1 
V1 

Material Notes:
Iron content is calculated as a remainder. High hardenability, excellent wear resistance and hot toughness. H13 has good thermal shock resistance and will tolerate some water cooling in service. Nitriding will improve hardness, but can diminish shock resistance if hardened layer is too thick. Electroslag Remelted (ESR) H13 has greater homogeneity and an exceptionally fine structure, resulting in improved machinability, polishability and high temperature tensile strength.

Applications: hot work applications: pressure die casting tools, extrusion tools, forging dies, hot shear blades, stamping dies, plastic molds. ESR H13 is great for aluminium die-casting tools and pastic mold tools requiring a very high polish.

Weldability: Pre and Post-heating recommended, can be welded with oxy-acetylene, inert shielded gas and shielded metal arc; Filler should be similar to the base metal.

Physical PropertiesMetricEnglishComments
Density7.8 g/cc0.282 lb/in 

Mechanical Properties
Hardness, Knoop570570 Converted from Rockwell C Hardness.
Hardness, Rockwell C52 - 5452 - 54 air or oil quenched and tempered at 510C (950F) and 540C (1000F).
Hardness, Rockwell C51 - 5351 - 53 air or oil quenched and tempered at 565C (1050F).
Hardness, Rockwell C49 - 5149 - 51 air or oil quenched and tempered at 595C (1100F).
Hardness, Rockwell C45 - 4745 - 47 air or oil quenched and tempered at 620C (1150F).
Hardness, Rockwell C39 - 4139 - 41 air or oil quenched and tempered at 650C (1200F).
Hardness, Rockwell C31 - 3331 - 33 air or oil quenched and tempered at 675C (1250F).
Hardness, Rockwell C28 - 3028 - 30 air or oil quenched and tempered at 705C (1300F).
Hardness, Rockwell C51 - 5351 - 53 air quenched from 1025C (1875F) or oil quenched from 1010C (1850F) with no temper, or tempered for 1 hour at 315C (600F), 425C (800F), and 480C (900F).
Hardness, Vickers549549 Converted from Rockwell C Hardness.
Tensile Strength, Ultimate1990 MPa289000 psi 
Tensile Strength, Yield1650 MPa239000 psi 
Elongation at Break9 %9 % 
Modulus of Elasticity210 GPa30500 ksi at 20C
Bulk Modulus140 GPa20300 ksi Typical for steel.
Poisson's Ratio0.30.3 Calculated
Machinability50 %50 % Based on 1% carbon steel. as 100% machinability
Shear Modulus81 GPa11700 ksi Estimated from elastic modulus

Thermal Properties
CTE, linear 20C11 m/m-C6.11 in/in-F 25 - 95C
CTE, linear 250C11.5 m/m-C6.39 in/in-F 25 - 205C
CTE, linear 500C12.4 m/m-C6.89 in/in-F 25 - 540C
Heat Capacity0.46 J/g-C0.11 BTU/lb-F from 0-100C (32-212F)
Thermal Conductivity24.3 W/m-K169 BTU-in/hr-ft-F at 215C; 24.4 W/m-K at 350C, 24.3 at 475C; 24.7 at 605C

Descriptive Properties
Annealing Temperature850 - 870C for 4 hours furnace cool 20C per hour max.
Stress Relieving Temperature600 - 650C for 2 hours (approx.) cool in still air; always stess relief before hardening.

References are available for this material.

 


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