D2 Cold Work Tool Steel

Specifications Large stock Competitive price Good quality 1, grade:cold work mould steel(d2/din1.2379/cr12mov1). 2, specification:dimension:20-500mm*50-1200mm. 3, chemical composition: C=1.40~1.60, mn=0.30~0.50, si=0.30-0.50, s 0.025, cr=11.0~13.0, mo=0.70~1.20, v 0.08 4, annealed hardness:hbs=207-255 5, application:used for various high precision, long-life cold work mould and tool, like:punching mould could squeezing mould. 6.Payment terms:30% t/t deposit in advance Unpacking or customized packing

Performance characteristics: Widely used cold work mould steel, belongs to ledebrite steel .Good hardenability and rigidity, excellent wear resistance; minimal distortion. Applications: Various tool & die, such as a variety of punching die, trimming die, steel tensile modulus, trim mold, drawing die, slot die, thread twistsilk panels, cold extrusion die, cold-cut scissors, circular saw blades, standard tools, measuring tools, etc. Chemical Composition (%): C 1.40~1.60 Si 0.60 Mn 0.60 Cr 11.00~13.00 V 1.10 Mo 0.70~1.20 Co 1.00 P 0.030 S: 0.030 Under the client's requirement.

FORGING:Heating for forging must be done slowly and uniformly. Soak through at F and reheat as often as necessary, stopping work when the temperature drops below 1700 After forging, cool slowly in lime, mica, dry ashes or furnace. D2 should always be annealed after forging. ANNEALING: Heat slowly to 1550 , hold until entire mass is heated through, and cool slowly in the furnace (40 F per hour) to about 1000 , 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 -1250& , allow to equalize, and then cool in still air (Strain Relieving). PREHEAT PRIOR TO HARDENING: Preheat slowly to 1350 and hold at this temperature until material is uniformly heated. HARDENING:After thorough preheating, heat to . 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 , but if a lower hardness is acceptable, tempering at F will give the optimum combination of hardness and toughness. standard AISI, ASTM, BS, DIN, GB, JIS Size 5-1800mm weight and dimensions according to customer

We are professional cold works D2 tool steel supplier for more than two decades. We supply AISI / ASTM A681 cold works D2 tool steels alloy steel materials in reliable quality and for attractive price for sale. We have deep knowledge of D2 tool steels chemical composition and properties. Contact us for any D2 tool steel materials demands. Cold Works D2 tool steel is a high carbon, high chromium tool steel (12% chrome) with extremely high wear resisting properties, heat treatable to 60-62 Rc. D2 steel is very wear resistant but not as tough as lower alloyed steels. D2 tool steel hardens in air with a low order of movement and offers a measure of corrosion resistance when polished. The high percentage of chromium gives it mild corrosion-resisting properties in the hardened condition. The mechanical properties of D2 are very sensitive to heat treatment. D2 steel is available in de-carb free rounds, flats, and squares, as well as ground flat stock and drill rod.

Detailed Product Description: Cold work tool steel D2/DIN1.2379 Soft annealing to HB230 Used for variou high precision,long lifetime cold work mould like punch mould 1.2379 Tool steel SKD11 Grade:D2/1.2379/SKD-11 Flate size:20-200*200-600mm Lenth:1-4m Round size:Dia20-300mm Length:1-6m Factory state:soft annealing to HB230 Application: Used for variou high precision,long lifetime cold work mould like punch mould,cold squeezing mould Other cold work tool steel are supplied, like AISI D3, AISI D6, AISI O1 etc. steel round bars, flat bars, plates, and block.

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