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1.2311 round bar, flat bar, plate and block. As an alloy tool steel grade 1.2311 is commonly supplied in the hardened and tempered condition with a supply hardness of approximately 300HB. This steel gives an excellent polished finish and is one of the most widely accepted specifications for machine cut plastic moulds and zinc die casting dies. This grade gives excellent wear resistance but if maximum surface hardness is required for compression moulding plastic dies or similar tools, the steel can be case hardened or nitrided.
| Chemical compostion |
|
Specification of 1.2311 steel:
Round bar |
Diameter(mm) |
Length (mm) |
|
50-800 |
2000~5800 |
|
|
plate/sheet /flat |
Thickness(mm) |
Width (mm) |
Length (mm) |
50-800 |
80~2300 |
2000~5800 |
1.2311 tool steel round bar, flat bar, plate and block. Diameters can be sawn to your required lengths as one offs or multiple cut pieces. Rectangular pieces can be sawn from flat bar or block to your specific sizes. Ground bar can be supplied, providing a quality precision ground bar to tight tolerances.
| Applications | This tool steel grade is ideally suited for the production of plastic moulds. Typical applications include die holders, zinc die casting dies, backers, bolsters and injection moulds. The versatility of 1.2311 tool steel with its high tensile characteristics enables uses for a variety of other applications such as shafts, rails and wear strips |
| Forging | Heat the steel slowly, allowing sufficient time for it to become heated through. Begin forging at 1050°C. Do not forge below 930°C reheating if necessary. After forging, cool very slowly. |
| Annealing | Heat uniformly to 770-790°C. Soak well, cool slowly in the furnace. |
| Stress Relieving | When dies are heavily machined, we recommend stress relieving just before finish machining in order to relieve machining strains. Heat to 460-500°C. Soak well and allow to cool in the air. |
| Hardening | Heat uniformly to 820-840°C until heated through. Quench in oil. |
| Tempering |
Heat uniformly and soak at the tempering temperature for at least one hour per 25mm of section. Allow to cool in still air.
|
| Nitriding |
1.2311 steel may be nitrided to give a wear resistant case of approximately Rockwell C60 surface hardness with a case depth of between 0.35mm to 0.5mm. Nitriding 1.2311 tool steel also increases the corrosion resistance. After nitriding at 525°C in ammonia gas the surface hardness of the 1.2311 will be approximately 650HV.
|
| Carbursing / Case Hardening | In order to obtain maximum surface hardness, moulds machined from 1.2311 tool steel may be case hardened, which can achieve a surface hardness of 55 to 59 HRc. |
| Tufftriding | At 570ºC tufftriding of 1.2311 tool steel will give a surface hardness of approximately 700HV. Allowing 2 hours treatment the surface hard layer will be approximately 0.01mm. |
| Hard Chromium Plating | To avoid hydrogen embrittlement 1.2311 should be tempered for 4 hours at 180°C for 4 hours after hard chromium plating. |
| Flame / Induction Hardening | Flame or induction hardening will achieve a hardness of 50 to 55 HRc. Air cooling is preferable, though smaller components may require forced cooling. Temper immediately after hardening. |
| Heat Treatment | Heat treatment temperatures, including rate of heating, cooling and soaking times will vary due to factors such as the shape and size of each steel component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult your heat treatment provider for full guidance on heat treatment of 1.2311 tool steel. |
Our Packing is easily loading and unloading. The way of packing has been widely loved by clients.And it can be customized.
Container condition:20'GP: maximum length≤5800mm, maximum weight 25 mts
40'GP: maximum length≤11800mm, maximum weight 25mts
We have horizontal saw machine, vertical saw machine, CNC flame cutting machine, plane milling machine,
face milling machine, grinding machine equipment to meet customers’ requirements of the steel processing
Dongguan Yaoteng Special Steel Co., Ltd is a special steel stockholders and suppliers of tool steel and mould steel.
On April 12, 2009, Yaoteng began to develop the international market, our products have been exported to Brazil, Turkey , Mexico, Colombia, Argentina, Dubai, Saudi Arabia, Syria, Iran, Egypt, the Philippines, Indonesia, Malaysia, Vietnam, India and other countries.
Our advantage:
1.Large stocks for various steel grades:Over 5000Mt stock of regular grade and size
2.Competitive price:long term cooperation with most China famous mill to intergrate mills' product line
3.Fast delivery time:Own factories for peeling,milling,grinding and cuting etc
4,Good after-sale service
| Main product | |
| Hot work tool steel | 1.2344,1.2343,1.2365,1.2581,1.2367,1.2713 etc. |
| H13,H11,H10,H21, etc. | |
| SKD61,SKD6,SKD5,SKT4 etc. | |
| Cold work tool steel | 1.2379,1.2601,1.2080,1.2363,1.2842,1.2419,1.2510,1.2550,1.2767 etc. |
| D2,D3,D5,D6,D8,A2,O2,O1 etc. | |
| SKD1,SKD11, SKS3 SKD10 etc. | |
| Plastic mould steel | 1.2083,1.2311, 1.2316,1.2738 etc. |
| P20, P20+Ni, 420 etc. | |
| NAK80,ASSAB 718,718H,S136,S136H,M300 | |
| High speed tool steel | 1.3355,1.3343,1.3247 |
| T1,M2,M35,M42 | |
| SKH2,SKH51,SKH59 | |
| Structural alloy steel | 1.7225,1.6511,1.7035,1.7220 |
| 4140, 4340, 5140, 4130,4150,4135 | |
| SCM440,SNCM439,SCM435 | |
| Carbon steel | 1.1191,ck45,C45e,C45n,1.1730,1.1740 |
| 1020,1045, 1050 | |
| S20C,S35C,S45c, S50C,S55C,SS400 | |
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