Tool and Die Steel D2 Bars

We’re Nimish Metal, a trusted name in Safat, Kuwait, proud to be your reliable source for high-performance Tool and Die Steel D2 Bars. In the heart of the industrial landscape, we understand the demands placed on critical components. That’s why we supply D2 bars that are synonymous with resilience and precision, ensuring that your tools and dies deliver exceptional results, batch after batch.

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D2 Tool Steel Round Bar

Die Steel D2 Rods

D2 Tool and Die Steel Bar

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What is Tool and Die Steel D2 Bars?

Tool and Die Steel D2 boasts a composition rich in carbon and chromium, along with significant molybdenum and vanadium. This alloy recipe gives it outstanding wear resistance and an ability to maintain a sharp cutting edge. It also offers good toughness and can achieve a high hardness after heat treatment, making it a durable and long-lasting choice for demanding tooling applications.

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Tool and Die Steel D2 Bars Specifications

  • Standard : ASTM A681, ASME SA681
  • Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
  • Form : Round
  • Diameter : 10 mm ~ 900 mm
  • Size : 0.08 mm to 25.00 mm
  • Diameter Range : 0.040 mm – 12 mm (0.0016” – 0.4724”)
  • Application : Lathe Tools, Milling Cutter, Cutter Blades, Boring Tools, Twist drills, Milling Knives, Reamers, Taps, Metalcutting saws, Screw Cutting Tools, File Cutter’s Chissels, Drills, Hobs, Drill Bits, Tread cutting tools etc

Chemical Compositions of Tool and Die Steel D2 Bars

ASTM A681CMnPSSiCrVMo
D21.41.60.10.60.030.030.10.611130.51.10.71.2
DIN ISO 4957CMnPSSiCrVMo
1.2379/X153CrMo121.451.60.20.60.030.030.151.611130.710.71
JIS G4404CMnPSSiCrVMo
SKD111.41.6 0.60.030.03 0.411130.20.50.81.2

Mechanical Properties of Tool and Die Steel D2 Bars

Mechanical PropertiesMetricImperial
Hardness, Knoop (converted from Rockwell C hardness)769769
Hardness, Rockwell C6262
Hardness, Vickers748748
Izod impact unnotched77.0 J56.8 ft-lb
Poisson’s ratio0.27-0.300.27-0.30
Elastic modulus190-210 GPa27557-30457 ksi

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Equivalent Grades of Tool and Die Steel D2 Bars

CountryUSAGermanJapan
StandardASTM A681DIN EN ISO 4957JIS G4404
GradesD21.2379/X153CrMo12SKD11

Thermal Properties of Tool and Die Steel D2 Bars

PropertiesConditions
T (°C)Treatment
Thermal expansion10.4 x 10-6/ºC20-100

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Tool and Die Steel D2 Bars Types

CrMo D2 Cold Drawn Bars
Chrome Molybdenum Steel D2 Bright Rods
D2 Hot Forged Round Bars
D2 Cold Rolled Die Steel Bar
D2 Hot Rolled Tool Steel Bar
Tool and Die Steel D2 Threaded Bar

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Frequently Asked Questions (FAQ)

Tool and Die Steel D2 Bars can be welded, but it's challenging due to their high carbon content. Preheating, post-weld heat treatment, and using specific filler materials are essential.

Tool and Die Steel D2 Bars are semi-corrosion-resistant due to high chromium content (12%). While not fully stainless, they offer moderate resistance to rust in less aggressive environments.

Tool and Die Steel D2 Bars should be stored in a dry, ventilated area to prevent moisture exposure. Use protective coatings like oil or rust inhibitors to minimize corrosion risk.

Tool and Die Steel D2 Bars Uses

You’ll find D2 steel bars hard at work in the most demanding scenarios. They are the first choice for creating long-running stamping dies, precise forming dies, and industrial-grade cutting tools like knives and shear blades. In environments where abrasion is a constant challenge, such as in thread guides and liners, D2 provides the exceptional durability needed to minimize downtime and maximize productivity.

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