1.2379 Tool Steel Flat Bar
Products Description
Specifications
1.2379 Tool Steel Flat Bar
Prompt delivery stock within 7days
MTC DIN10204 3.1/3.2
| 1.2379 Equivalent Grades | ||||
| GB | DIN | AISI | JIS | BS |
| Cr12Mo1V1 | 1.2379 | D2 | SKD11 | BD2 |
| 1.2379 Chemical composition | |||||||
| C | Si | Mn | Cr | P | S | V | Mo |
| 1.50-1.60 | 0.10-0.40 | 0.15-0.45 | 11.00-12.50 | 0.03MAX | 0.03MAX | 0.90-1.10 | 0.60-0.80 |
| Surface condition | |||||||||
| Black surface/ Grinded/ Machined |
| Hardness | |||||||||
| HB225MAX |
| Characteristics | |||||||||
| 1.2379 Tool Steel has high resistance against abrasive and adhesive wear due to a high volume of hard carbides in the steel matrix moderate machinability, good dimensional stability, toughness and through harden ability |
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D2/1.2379/SKD11 Steel Heat Treatment
Annealing: 800 to 850℃, slow cooling in furnace (10-20℃/hr), down to approx. 600℃, cooling in air. Hardness after annealing: max. 250HB.
Stress relieving: approx. 650℃, slow cooling in furnace. Hold in neutral atmosphere for 1 to 2hours.
Hardening: 1010 to 1050℃, oil, air or hot bath at approx. 350℃ to 450℃. Hold 15 to 30 minutes. Hardness obtainable, 63 to 65 HRC.
Tempering: 520 to 570℃. Slowly heating to tempering temperature right after hardening. Recommended to temper 2 or 3 times to increase toughness.
|
Tempering ℃ |
200 |
300 |
400 |
500 |
600 |
|
HRC |
62 |
59 |
58 |
60 |
52 |
* Hardening temperature: 1030℃, specimen size: dia25mm
Surface treatment
Nitriding: suitable for nitriding.
Properties
Good dimensional stability; excellent wear resistance due to the ledeburitic structure. Best toughness. Nitriding is possible.
D2/1.2379/SKD11 Alloy Tool Steel Applications
High performance blanking and punching dies for sheet thickness up to 5 mm; circular and straight shear blades for sheet thickness up to 4 mm; precision stamping dies; cold drawing tools, hobbing dies, thread cutting tools, cold pilger mandrels; flanging rolls; guide rolls; forming rollers for continuous production of steel profiles and tubes; small plastic moulds and inserts for abrasive materials.
Product Picture
Our factory
Steel Making
Ingot Production
Forged Bars
Machinary
Packing & Delivery
Packing & Delivery
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The inner size of container is below:
-- 20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high)
-- 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high)
-- 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high)
Our Service
1. Competitive price and quality from our own factory .
2. Best service with 24 hour`s reply .
3. Flexible payment with T/T,L/C , etc .
4. Smooth production ability(1000tons/month).
5. Quick delivery and standard exporting package.
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