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O1 1.2510 SKS3

Home>Products>Cold Working Tool Steel>O1 1.2510 SKS3

Cold Working Tool Steel O1 1.2510 SKS3 round bar

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Specifications

What is oil O1 Steel ? AISI / ASTM A681 O1 tool steel is a low alloy cold work tool steel that must be oil-quenched in heat treatment. Tools and dies made from O1 tool steel flat or rounds will have good wearing and abrasive qualities since the tungsten and higher chromium content gives improved wear resistance.

ASTM O1 tool steel has deep hardening properties with fine grain structure with unusual toughness. AISI O1 tool steel offers good durability, gives excellent wear resistance and holds a good cutting edge. O1 cold work tool steels also has good response to heat treatment with small dimensional changes.


Applications:

O1 steels are mainly used for short run tooling for cold forming dies, blanking dies, and cutting tools operating at ambient temperature.

Typical applications for O1 tool steel are blanking, forming, and trim dies, gages, slitting cutters, punches, bolster dies, knock-out pins, thread roll dies, bending dies, plastic mold dies, shims, cams, machine ways, stamps, machine parts, jigs, cutter templates, swagging dies, etc.


COMPOSITION

CMnSi
Cr
W
0.94
1.20
0.30
0.50
0.50


Specifications:

O1 Tool Steel Round Bar: diameter 8mm – 350mm

D2 Steel Round Bar Heat Treatment


Heat Treatment

DIN 1.2379 steels alloy should be preheated very slowly to 815℃ (1500°F) and the temperature can be increased to 1010oC (1850°F). Then held at 1010oC (1850°F) for 20 to 45 minutes and air-cooled (air quenched).


Annealing

Annealing of 1.2379 tool steels material should be done at 871 to 898°C (1600 to 1650°F) followed by slow furnace cooling at 4.4°C (40°F) per hour or less, after which cooling rate could be increased. At the same time, must do something to prevent excessive carburization or decarburization.


Stress Relieving

Heat it slowly to 1050°-1250°F, allow to equalize, and then cool in still air(Strain Relieving)


Preheat Prior To Hardening

Preheat slowly to 1350°-1450°F and hold at this temperature until steel 1.2379 steel material is uniformly heated.


Round Bar

Specification: Dia Max 800mm; Length: Max 6m

Surface: Black, Peeled, Machined(Turned), Polished(Grounded)•


ItemDimension (mm)ProcessDelivery condition
Round BarDIA1.0 - 30Cold-drawing / Centerless grindingBright & Anneal
DIA20 - 80PeelingBright & Anneal
DIA 13-180Hot RolledBlack surface & Anneal
DIA 70 - 400Hot RolledBlack surface & Anneal


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