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Steel Steel bar Cold Work Tool Steel Round DIN 1.2379 - AISI D2 - JIS SKD11

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Minimum order quantity: 100 Units

Key attributes

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Standard
AISI
Type
Alloy Steel Bar
Application
Tool Steel Bar
Special Use
Mold Steel
Tolerance
±1%
Technique
prehardened
Product description

General Information

This steel with hardening air, oil and salts bath. It features good resistance and toughness for hot and cold treatments. Normally used for mould carrier frames, containers for pressure casting, sub-dies for extrusion of aluminum, plastic moulds.

Comparable Standards

AISI/SAEDINW.Nr.JIS
D2X155CrVMo12-11.2379SKD11

Chemical Analysis (%)

CSiMnPSCrMoV
1.45-1.600.10-0.600.20-0.60≤ 0.030≤ 0.03011.00-13.000.70-1.000.70-1.00

Heat treatment

Isothermal annealing

Heat to 870÷880 °C

Furnace cooling to 760 °C and hold at temperature for at least 10 hours

Cool by 10 °C /h to 720 °C

Cooling in air.

Stress relieving

To be carried out after machining and before the final heat treatment.

Heat to 650÷700 °C, hold for 4/6 hours

Furnace cooling to 330÷350 °C

Hardening

Initial preheating to 350÷450 °C

Second preheating to 750÷850 °C

Austenitizing at 1010÷1040 °C or at 1080÷1100 °C

Cooling in air or in oil if large parts.

Quenched hardness: 62÷66 HRC

Tempering

In the temperature range 150÷300 °C with minimum holding time 3 h. For parts hardened at 1080÷1100 °C, a first tempering will be carried out at 500÷550 °C in order to exploit secondary hardness, followed by a second tempering at 180/300 °C.

Delivery Specification and Technical Condition

Coil

Size mmTolerance mmOvality mm
Φ1.5-Φ3.0±0.01≤0.01
Φ3.1-Φ6.0±0.015≤0.015
Φ6.1-Φ16.0±0.018≤0.018
Φ16.1-Φ20.0±0.02≤0.020
Φ20.1-Φ25.0±0.03≤0.030

Cold Drawing Round Bar

Size mmTolerance mmStraightness mm/mOvality mm
Φ2.0-Φ4.0±0.01≤0.50≤0.01
Φ4.1-Φ6.0±0.015≤0.70≤0.015
Φ6.1-Φ13.0±0.02≤0.70≤0.02
Φ13.1-Φ18.0±0.025≤0.70≤0.025
Φ18.1-Φ25.0±0.030≤0.70≤0.03
Φ25.1-Φ50.0±0.05≤0.70≤0.05

Centerless Grinding Round Bar (Annealing condition)

Size mmTolerance mmStraightness mm/mOvality mm
Φ2.0-Φ4.0±0.01≤0.50≤0.01
Φ4.1-Φ6.0±0.01≤0.50≤0.01
Φ6.1-Φ13±0.01≤0.50≤0.01
Φ13.1-Φ18.0±0.015≤0.50≤0.015
Φ18.1-Φ25.0±0.015≤0.50≤0.015
Φ25.1-Φ35.0±0.02≤0.50≤0.02
Φ35.1-Φ50.0±0.03≤0.50≤0.03

Centerless Grinding Round Bar (Pre-hardened condition)

Size mmTolerance mmStraightness mm/mOvality mm
Φ1.5-Φ4.0±0.01≤0.50≤0.01
Φ4.1-Φ6.0±0.01≤0.50≤0.010
Φ6.1-Φ13.0±0.01≤0.50≤0.01
Φ13.1-Φ18.0±0.015≤0.50≤0.015
Φ18.1-Φ25.0±0.015≤0.50≤0.015
Φ25.1-Φ35.0±0.02≤0.50≤0.02
Φ35.1-Φ50.0±0.03≤0.50≤0.03

Peeling Round Bar

Size mmTolerance mmStraightness mm/mOvality mm
Φ5.0-Φ13.0±0.04≤0.60≤0.04
Φ13.1-Φ20.0±0.04≤0.70≤0.04
Φ20.1-Φ35.0±0.5≤0.70≤0.05
Φ35.1-Φ60.0±0.06≤0.80≤0.06
Φ60.1-Φ80.0±0.07≤0.80≤0.07
Φ80.1-Φ120.0±0.08≤1.00≤0.08

Delivery hardness

Annealed condition ≤ 235HB

Process Flow

Production facilities

Test equipments

Description images
Steel Steel bar Cold Work Tool Steel Round DIN 1.2379 - AISI D2 - JIS SKD11
Steel Steel bar Cold Work Tool Steel Round DIN 1.2379 - AISI D2 - JIS SKD11
Steel Steel bar Cold Work Tool Steel Round DIN 1.2379 - AISI D2 - JIS SKD11
Steel Steel bar Cold Work Tool Steel Round DIN 1.2379 - AISI D2 - JIS SKD11
Packaging and fulfilment
  • Step 1

    Payment and order readiness

    Minimum order: 100 Units

    Payment terms, specifications, and order details are confirmed before preparation begins.

  • Step 2

    Preparation

    Lead time will be confirmed with your quotation.

  • Step 3

    Packaging and dispatch

    Packaging details are available on request.

    Final packing, freight, and delivery dates are confirmed before dispatch.

Technical specifications
Other details 19 fields
Standard
AISI
Type
Alloy Steel Bar
Application
Tool Steel Bar
Special Use
Mold Steel
Tolerance
±1%
Technique
prehardened
Alloy Or Not
Is Alloy
Processing Service
Cold drawn, Grinding, Peeling, Heat treat ment
Delivery Time
15-21 days
Grade
h7 h8 h9 h10 h11
Steel Grade
SKD11 / 1.2379 / D2
Place of origin
China, Liaoning
Packaging Details
max 1000 kgs with correct packaging to avoid contacts with water and Humidity, bars with oil protected and in wooden case with correct sticker identification with all materials details in the sticke
Port of dispatch
port
Selling Units
Single item
Single volume
0 cm3
Single gross weight
0.0 kg
Supply Ability
500 tons per Month
Dimensions (Product option)
2.0-100
Minimum order
100 Units

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