Low price for D2 Tool Steel | 1.2379 | X153CrMo12 | SKD11 Supply to Lahore

Low price for
 D2 Tool Steel | 1.2379 | X153CrMo12 | SKD11 Supply to Lahore

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1. Relevant D2 Steel Specifications Country USA German Japan Standard ASTM A681 DIN EN ISO 4957 JIS G4404 Grades D2 1.2379/X153CrMo12 SKD11 2. D2 Tool Steel Chemical Composition ASTM A681 C Mn P S Si Cr V Mo D2 1.4 1.6 0.1 0.6 0.03 0.03 0.1 0.6 11 13 0.5 1.1 0.7 1.2 DIN ISO 4957 C Mn P S Si Cr V Mo 1.2379/X153CrMo12 1.45 1.6 0.2 0.6 0.03 0.03 0.15 1.6 11 13 0.7 1 0.7 1 JIS G4404 C Mn P S Si Cr V Mo SKD11 1.4 1.6 0.6 0.03 0.03 0.4 11 13 0.2 0.5 0.8 1.2 3. AISI Grade...


  • Length: 3-5.8mm or Customization
  • Surface: black, peeled, or rough turned
  • Heat treatment: air-cooling, normalized, annealed, Q&T
  • Smelting process: EAF+LF+VD
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    We are ready to share our knowledge of marketing worldwide and recommend you suitable products at most competitive prices. So Profi Tools offer you best value of money and we are ready to develop together with Low price for D2 Tool Steel | 1.2379 | X153CrMo12 | SKD11 Supply to Lahore, We sincerely welcome overseas customers to consult for the long-term cooperation and the mutual development.


    1. Relevant D2 Steel Specifications

    Country USA German Japan
    Standard ASTM A681 DIN EN ISO 4957 JIS G4404
    Grades D2 1.2379/X153CrMo12 SKD11

    2. D2 Tool Steel Chemical Composition

    ASTM A681 C Mn P S Si Cr V Mo
    D2 1.4 1.6 0.1 0.6 0.03 0.03 0.1 0.6 11 13 0.5 1.1 0.7 1.2
    DIN ISO 4957 C Mn P S Si Cr V Mo
    1.2379/X153CrMo12 1.45 1.6 0.2 0.6 0.03 0.03 0.15 1.6 11 13 0.7 1 0.7 1
    JIS G4404 C Mn P S Si Cr V Mo
    SKD11 1.4 1.6 0.6 0.03 0.03 0.4 11 13 0.2 0.5 0.8 1.2

    3. AISI Grade D2 Steel Mechanical Properties

    Mechanical Properties Metric Imperial
    Hardness, Knoop (converted from Rockwell C hardness) 769 769
    Hardness, Rockwell C 62 62
    Hardness, Vickers 748 748
    Izod impact unnotched 77.0 J 56.8 ft-lb
    Poisson’s ratio 0.27-0.30 0.27-0.30
    Elastic modulus 190-210 GPa 27557-30457 ksi

    Thermal Properties

    Properties

    Conditions

    T (°C)

    Treatment

    Thermal expansion 10.4 x 10-6/ºC 20-100

    4. AISI/ASTM A681 D2 Grade Steel Forging

    Heating for forging of AISI D2 tool steel should
    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(926℃). After D2
    die steel forging, cool slowly in lime, mica, dry ashes or furnace. AISI D2 steel
    should always be annealed after forging.

    5. D2 Tool Steel Heat Treatment

    • Heat Treatment

    ASTM  D2 steels alloy should be preheated very slowly to 815oC (1500oF) and  then temperature can be increased to 1010oC (1850oF). They are then held  at 1010oC (1850oF) for 20 to 45 minutes and air cooled (air quenched).

    • Annealing

    Annealing  of D2 tool steels material should be done at 871 to 898oC (1600 to  1650oF) followed by slow furnace cooling at 4.4oC (40oF) per hour or  less.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 D2 grade steel  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 grade steel D2 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

    AISI  D2 steel tool material 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 on material D2 steel may be varied according to  the desired hardness. D2 steels can be tempered at 204oC (400oF) for  achieving Rockwell C hardness of 61 and at 537oC (1000oF) for a Rockwell  C hardness of 54.

    6. D2 Tool Steel Material Application
     AISI grade D2 tool steels are used for long run tooling applications,  where wear resistance is important, such as blanking or forming dies and  thread rolling dies.

    Some main applications for D2 tool steel are as below:

    Blanking  Dies, Forming Dies, Coining Dies, Slitting Cutters, Heading Tools, Long  Punches, Forming Rolls, Edging Rolls, Master Tools, Beading Rolls,  Intricate Punches, Extrusion Dies, Drawing Dies, Lamination Dies, Thread  Rolling Dies, Shear Blades, Burnishing Tools, Gauges, Knurls, Wear  Parts.

    We usually hold D2 tool  steel on sale activities, and you would have our price on regular  schedule. Contact us and sign in our newsletter to have D2 tool steel  materials price list and commercial quote today.

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    The impact of fake ID’s might be more harmful than you think.
    By Blaine Robinson & Shana Barrios

    BOULDER — To underage college students, fake ID’s are a dream come true. But in reality, these idealistic underagers might want to think twice before investing in this illegal industry.

    Fake ID’s are increasing in popularity, especially among college students. In 2010, more than 1,500 fake ID’s were turned in to Boulder Police. But this statistic hasn’t done much to deter University of Colorado students from owning them.
    Jacqueline Wright, a CU advertising senior, said she’s had at least eight fakes taken from her in the past.

    “I’ve had one taken at the Dark Horse… one in Boston… the Sink… I’ve had like two or three taken from The Goose… they finally were just like ‘get outta here, like we know it’s not you,’” Wright said.

    Molly Sauer, another CU advertising student, recalled the embarrassment that came with getting her fake ID taken away.

    “I tried to play it cool, and then he said he had to bring it to the back just to scan it,” Sauer said. “He came back and said that, um, he had to put it in the manager’s fake id box because it didn’t scan. And then I was humiliated.”

    Many people fail to realize the potential consequences involved with fake ID’s. For example, using fraudulent identification in Boulder can result in up to 90 days in jail, and a $500 fine.

    On top of that, they affect more than just the people using them. Not only can these forged government documents jeopardize ID owners’ futures, but they can also significantly damage the lives of others.

    For example, fake ID’s have the power to put restaurants and bars out of business.

    “As an employee of a bar, you’re really concerned,” said Joey Landrau, Lodos bartender. “Working here is your livelihood… You do not want to lose your liquor license.”

    Furthermore, the danger of fake ID’s goes beyond just using them. In fact, having an id made can be more problematic than actually using it.

    Many fake ID websites require people to put in their personal information to receive one.

    “It’s a pretty, ya know, scary situation at the same time because you’re putting your information out on the internet for the public to see,” Landrau went on to say. “If these sites are keeping track of this information, ya know, from these other countries who knows what they could be using it for.”

    It’s not just illegal to use a fake ID. According to Carlene Hofmann,
    Boulder Police’s alcohol enforcement officer, “Having possession of a forged government document is a felony.”

    Having a fake ID made is considered forgery, but impersonating someone who’s 21 and using their ID is identity fraud. Both of these offenses are punishable by law.

    THE EFFECTS OF FAKE ID’s:

    – Can put restaurants, bars, and liquor stores out of business
    – Contributes to human trafficking
    – Can result in identity fraud/theft

    FAKE ID’S: QUICK FACTS

    – 1,598 fake ID’s turned in to Boulder PD in 2010
    – Number of tickets for fake ID’s increased from 7 to 150 from 2009 to 2010
    – 75% of fake ID use is someone using another person’s real driver’s license
    – Using a fake ID in Boulder carries a fine of up to $500 and/or 90 days in jail
    – Boulder Police say this personal information can be used to steal people’s identities,
    and to traffic people into the united states from other countries.

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