SHANGHAI UNITE STEEL
| Payment Terms | L/C, T/T |
| Supply Ability | 1200 ton/month |
| Delivery Time | Within 5-35 days |
| Packaging Details | Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips. |
| Material | Tool Steel |
| Surface | Black or Bright |
| Delivery condition | Annealed |
| Shape | High-quality Round Bar |
| Length | as customer's requirement |
| Inspection | The third party is acceptable |
| Brand Name | UST |
| Model Number | Dia 10-100mm, Dia 80-800mm |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1200 ton/month |
| Delivery Time | Within 5-35 days | Packaging Details | Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips. |
| Material | Tool Steel | Surface | Black or Bright |
| Delivery condition | Annealed | Shape | High-quality Round Bar |
| Length | as customer's requirement | Inspection | The third party is acceptable |
| Brand Name | UST | Model Number | Dia 10-100mm, Dia 80-800mm |
| Certification | ISO9001 | Place of Origin | China |
| High Light | tool steel round bar ，hot rolled bar | ||
Cold Work Tool Steel ASTM D2/1.2379/SKD11/ DC-11, tool steel bar, small MOQ
Applications
AISI D2 is recommended for tools requiring very
high wear resistance, combined with moderate
toughness (shock-resistance).
AISI D2 can be supplied in various finishes, including the hot-rolled, pre-machined and fine
machined condition.
AISI D2 is a high-carbon, high-chromium tool steel
alloyed with molybdenum and vanadium characterized by:
- High wear resistance
- High compressive strength
- Good through-hardening properties
- High stability in hardening
- Good resistance to tempering-back.
Related Steel Grade:
| ASTM | JIS | DIN | GB | ISO | BS |
| D2 | SKD11 | X155CrVMo12-1,1.2379, | Cr12Mo1V1 | X153CrMoV12 | BD2 |
Size: Hot Rolled DIA10-100mm, Hot forged DIA80-800mm
Delivery
condition Soft annealed to approx. 210 HB
D2 steel is a high carbon - high chromium air hardening tool steel, heat treatable to 60-62 Rc. D2 offers excellent wear and abrasion resistance, due to large volumes of carbides in the microstructure. D2 is widely used in long production cold work applications requiring very high wear resistance and high compression strength. It is machinable in the annealed condition, and, like other air hardening tool steels, exhibits minimal distortion in heat treat. D2 is available in de-carb free rounds, flats, and squares, as well as ground flat stock and drill rod.
ASTM A681 - 08 Standard Specification for Tool Steels Alloy.
FORGING:Heating for forging must be done slowly and uniformly. Soak through at 1850°-1950°F and reheat as often as necessary, stopping work when the temperature drops below 1700°F. After forging, cool slowly in lime, mica, dry ashes or furnace. D2 should always be annealed after forging.
ANNEALING: Heat slowly to 1550°-1600°F, hold until entire mass is heated through, and cool slowly in the furnace (40°F per hour) to about 1000°F, after which cooling rate may be increased. Suitable precautions must be taken to prevent excessive carburization or decarburization.
STRESS RELIEVING: When desirable to relieve the strains of machining, heat 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 material is uniformly heated.
HARDENING:After thorough preheating, heat to 1800°-1850°F. Hold the work piece at the hardening temperature until it is completely and uniformly heated.
QUENCHING: D2 steel is an air hardening steel and will develop hardness on cooling in still air. To avoid scaling and prevent decarburization of the work piece surface, controlled atmosphere or vacuum furnaces are recommended. If these furnaces are not available, pack hardening, salt baths or wrapping the piece in stainless steel foil will provide some degree of surface protection in the hardening process. Parts should be allowed to cool to 150F, or to where they can be held in the bare hand, and then temper immediately.
TEMPERING: The tempering temperature may be varied according to the desired hardness. If maximum hardness is desired, tempering should be in the range 300°-400°F, but if a lower hardness is acceptable, tempering at 950°F will give the optimum combination of hardness and toughness.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
10000000-25000000
Employee Number:
50~110
Ecer Certification：
Active Member
We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national... We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national...
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