2510 Steel
2510 Steel Tool Steel Malaysia, Selangor, Kuala Lumpur (KL), Klang Supplier, Suppliers, Supply, Supplies | E STEEL SDN. BHD.
E Steel Sdn Bhd are Malaysia steel supplier/stockist providing raw materials to the wide arrays of engineering industries/sectors.

We supply  full range of Carbon Steel sheets, Carbon steel round bar , Carbon steel rod, Carbon steel plate,  Alloy steel , hardened steel , Case Hardened Steel ,Special Steel ,Tool Steel ,Case harden Steel

Our specialty is to provide wide range of alloy steel with no minimum order.( no MOQ )


1.2510, 100MnCrW4, O1, SKS3, DF2, DF3

2510 with chromium-manganese content possessed good machinability, mechanical wear resistance and edge holding quality. Vanadium-Wolfram content reduces high working temperature wear and retention of temper temperature.

DIN AISI JIS Chemical Composition
C Si Mn P S Co Cr Mo Ni V W Cu
1.2510 O1 SKS3 0.90 to 1.05 0.15 to 0.35 1.00 to 1.20 < 0.035 < 0.035 0.15 to 0.35 0.05 to 0.15 0.50 to 0.70

Relevant Steel Specification of AISI O1 Tool Steel

Country USA German Japan
Standard ASTM A681 DIN EN ISO 4957 JIS G4404
Grades O1 1.2510/100MnCrW4 SKS3

ASTM O1 Tool Steel Mechanical Properties

Properties Metric Imperial
Hardness, Brinell (soft annealed -delivery condition) 190 190
Hardness, Rockwell C (tempering temp 300-1200°F) 34.0-64.0 34.0-64.0
Elastic modulus (hardened to 62 HRC) 193 GPa 28000 ksi
Elastic modulus (@399°C/750°F, hardened to 62 HRC ) 172 GPa 25000 ksi
Elastic modulus (@191°C/375°F, hardened to 62 HRC) 186 GPa 27000 ksi
Compressive yield strength (0.2%, hardened to 50 HRC) 1350 MPa 196000 psi
Compressive yield strength (0.2%, hardened to 55 HRC) 1800 MPa 261000 psi
Compressive yield strength (0.2%, hardened to 60 HRC) 2150 MPa 312000 psi
Compressive yield strength (0.2%, hardened to 62 HRC) 2200 MPa 319000 p


General purpose oil hardening medium alloyed cold work tool steel with minimum size change, high impact strength

and hardenability, good edge holding, abrasion resistance and machinability properties, dimensionally stable during

heat treatment, high surface hardness and sufficent toughness after hardening and tempering.


Cutting, blanking, punching and stamping tools and dies up to 6 mm sheet thickness, thread cutting tools, chasers, cold forming tools, arbors, drill bushings, collets, drawing punches, machine knives for the wood, paper and metal working industries, woodworking tools, cold trimming dies, shaping wheels, measuring tools and gauges, milling cutters, drills, reamers, taps, broaches, calipers, profile rollers, coining tools, industrial blades, moulds for the plastics industry, knurling tools, medium run blanking dies, cold working manrdrels, master engraving rolls and taps, guide rails, plug gages.


Heat treatment

Stress relieving Temperature   :  Approx. 650 °C in the annealed state

Duration                                : 1 hour per 50 mm wall thickness

Soft annealing Temperature    : 750 °C

Duration                                : 1 hour per 25 mm wall thickness

Hardening Temperature          : 830 °C

Duration                                : 1 minute per mm wall thickness

Quenching hardness Max. 64 HRC in oil, hot bath or vacuum

Tempering Temperature          : See tempering curve

Duration                                : 1 hour per 25 mm wall thickness

Cooling                                  : Air

Working hardness 58–62 HRC

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