Guangzhou Changfeng Steel Co., LTD
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Hot Rolled Round Steel of High Speed Steel/SKH2/1.3355/T1 for cutting tools
1. Chemical composition
| C | Si | Mn | P | S | Cr | Mo | W | V |
| 0.70-.080 | 0.20-0.40 | 0.10-0.40 | ≤0.030 | ≤0.030 | 3.75-4.50 | 0.40-1.00 | 17.50-19.00 | 0.80-1.20 |
2. Equivalent Steel Grade
| GB | ASTM | DIN | JIS |
| W18Cr4VCo5 | T4 | 1.3255 | - |
3. Hardness
Annealed ≤229HB, Cold drawn ≤262HB.
4. Charateristics
After electroslag remelting (ESR), 1.3355 steel will have a fine uniform texture, good hardenability, excellent machining & polishing performance, high toughness & plasticity, good wear/heat/fatigue resistance in high and low temperature.
5. Applications
Typical 1.2344 applications include die casting dies for aluminium, magnesium and zinc, extrusion dies for aluminium and brass, liners, mandrels, pressure pads, followers, bolsters, die cases, die holders and adaptor rings for copper and brass extrusion.
Other applications include plastic moulds, shear blades for hot work and hot swaging dies. Also used to produce hot stamping and press forge dies, split hot heading dies, gripper dies, hot punching, piercing and trimming tools.
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Our main products:
| STANDARD/GRADE | Flat Bar Size(mm) | Round bar Size(mm) | Technics | ||||||
| DIN | AISM | JIS | GB(China) | Thickness | Width | Length | Diameter | Length | |
| 1.121 | SAE1050 | S50C | 50# | 10-450 | 155-2200 | 2000-12000 | Forged, Hot Rolled | ||
| 1.2311 | P20 | PDS-3 | 3Cr2Mo | 10-460 | 155-2200 | 2000-10000 | 20-200 | 2000-6000 | |
| 1.2738 | P20+Ni | - | 3Cr2NiMnMo | 21-300 | 155-2200 | 2000-8000 | 20-200 | 2000-6000 | |
| 1.2379 | D2 | SKD10 | SKD10 | 10-200 | 155-810 | 2000-6000 | 14-80 | 3000-6000 | |
| 1.2080 | D3 | SKD1 | 3Cr2Mo | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.2083 | 420 | - | 4Cr13 | 10-500 | 155-1200 | 2000-6000 | 12-300 | 3000-6000 | |
| 1.2344 | H13 | SKD61 | 4Cr5MoSiV1 | 10-500 | 155-1600 | 2000-6000 | 16-400 | 3000-6000 | |
| 1.2510 | O1 | SKS3 | 9CrWMn | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.7225 | SAE4140 | SCM440 | 42CrMo | 10-280 | 155-2200 | 2000-6000 | 16-450 | 3000-6000 | |
About Us
Guangzhou Changfeng Steel Co., Ltd. is a professional special steel company, which specializing in this line in China since 2005. Our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.