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20crmnmo material

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  1. 20CrMnMo materials: 20CrMnMo materials also can be called as alloy structural steel. Alloy steel means this kind of grade contains some special alloy composition.

    20crmnmo material 20CrMnMo materials-BBN STEEL sale alloy steel EN10083-3 ...

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  2. 20crmnmo material China GBT 20CrMnMo steel - steel-grades.com

    20CrMnMo - This page provides 20CrMnMo datasheet, 20CrMnMo mechanical properties, chemical element 20CrMnMo, technical specifications of 20CrMnMo steel material properties. 20CrMnMo performance specifications.

  3. 20crmnmo material 20CrMnTi (GB ) - Worldwide equivalent grades

    Chemical composition and properties of european equivalents (EN) for 20CrMnTi (China, GB ): 16MnCr5 (1.7131) , 20MnCr5 (1.7147) , 20CrMnTi (China, GB ) - European (EU, EN) and wordwide Steel equivalent grades. These comparison table is only intended as an indication of the closest khown equivalent grades.

  4. 20crmnmo material 20CrMnMo materials equivalent material-BBN STEEL sale ...

    GB/T 3077 Grade 20CrMnMo Metal - Matmatch. See the chemical composition and physical properties of GB/T 3077 Grade 20CrMnMo Metal, find alternative materials, and connect with suppliers. Equivalent material.pdf - Scribd. Equivalent material.pdf.

  5. 20crmnmo material Datasheet for Steel Grades Structure Steel 20CrMnMo

    This page is mainly introduced the 20CrMnMo Datasheet, including chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20CrMnMo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

  6. 20crmnmo material GB/T 3077 Grade 20CrMnMo - Metal - Matmatch

    See the chemical composition and physical properties of GB/T 3077 Grade 20CrMnMo, find alternative materials, and connect with suppliers.

  7. 20crmnmo material 20CrMnTi vs AISI 4320/8620 - Metal and Metallurgy ...

    Jan 08, 2007 · Thanks in advance for any help. So, the company I work for uses big gears PD ~20" Face 8" Thick. Material we current use is AISI 4320 / 8620. I started searching for vendors in China and the usual response I get is they want to replace the material with 20CrMnTi.

    As you are dealing with large and thick gears, in order to obtain suitable core properties your material has to provide sufficient hardenability. This quality will assure adequate strength and impact resistance in the volume with the least cooling rate. At a minimum you could ask for Jominy test profiles for the proposed material and compare it with those of the steels you know and trust. http://www.welding-advisers.com/
    C 0.21, S 0.017, P 0.02, Mn 1.0 , Si 0.26, Cr 1.19, 'Ti 0.03, Cu 0.95,balance Fe . A google search provided the chemistry of 20CrMnTi. This chemistry indicates no Mo and the presence of Ti may be more as tramp. Normally there have bben attempts to replace Ni by Cu,hence the nearly 1% Cu presence. It is advisable to specify 4320 or 8620 alloy.Most of the Chinese companies seem to be popularising 20CrMnTi. Why did you not explore the possibility of sourcing from India? Cost/availability??
    The Chinese grade does not use Ni or Mo, which are common to USA alloys due to higher availability of ore. Rather, the Chinese alloy uses Cr, which is common for Asian alloys. These are obviously carburizing grades, so the core properties are not likely to be as important as the surface. What are your requirements for properties? Regards, Cory Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.
    I am also seeing more use of 20MnCr5 (similar to SAE 5120) from our forge source in India. Again the push is to get away from the NiCrMo grades whenever possible due to the cost of nickel and moly. There is a lot of activity in trying out 41xx and 51xx grades these days. Depending upon core properties desired, and since this is a large gear, you may need to restrict the chemistry/hardenability to the high side somewhat so there is not too much dropoff in performance from the NiCrMo grade.
    20MNCr5 is a popular forging grade steel in India in the earth moving equipment industry. But as is suggested Ni and Mo are absent. But since it is a large gear forging suggest Ni and Mo additions in the alloy selected.
    First, thanks everyone for thier input. Now: Arunmrao: We have looked into companies from India and in fact have some parts from them. However, we are interested in exploring China because they may be able to outsource other parts as well. However, if you have a reliable source in India and are open to sharing that with me, it would be appreciated. CoryPad: the gears need to be able to be hardened to 56-62 Rc. They are used for a low speed, high torque application. Torque ~ 280,000 ft-lb. dbooker630: so, there is indeed a drop off in performance? What about wearability? The important part is the gear tooth life as changing a broken gear is time consuming and costly. I doubt the gear would fail from the core, but rather from the tooth. Am I correct in this assumption? Again, thanks for all your help everyone. Steve
    SZ9 If you give me some more details perhaps I can suggest a few more Indian companies. My business line is steel castings .
    Your only requirement is that the hardness must lie within the range 56 HRC to 62 HRC? Measured where? After what hardening process? Regards, Cory Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.
    When I tested 20MnCr5 vs 4320/8620/8627 I used a chemistry that would fall into standard bands for those 43 & 86xx grades. That's what was available, and it tested fine. The 20MnCr5 hardenability band extends well below the mins for 4320 and its max is typically 4 points below 8620. I cannot say for sure that there will be a dropoff but I did not want to take the chance of allowing the use of the full band of material without testing a low side chemistry.
    CoryPad: Our drawing specifies carburized and hardened to 56-62 Rc and that it is AMGA level 6. I assume the material specification will take care of the rest. Am I wrong? The gear is used in conjunction with 2 others...one of which is the driving pinion gear. Our biggest fear is breakage of a tooth or failure, which often breaks the other gears in the gearbox. dbooker: thanks for the info. I will ask the company if they have this material. Any other suggestions for material substution? Steve
    20CrMnTi versus 20CrNiMoApr 09, 2010
    20CrMnTi - Mechanical engineering other topics - Eng-TipsSep 01, 2009
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  8. 20crmnmo material GB/T 5216 Grade 20CrMnMoH - Metal - Matmatch

    See the chemical composition and physical properties of GB/T 5216 Grade 20CrMnMoH, find alternative materials, and connect with suppliers. This website uses cookies to improve service quality. You will find more information about cookies on the privacy policy page.

  9. 20crmnmo material 20CrMnMo|20CrMnMo Alloy Steel Plate__Steel Supplier

    For more information about GB/T 3077 Alloy steel plate, please clicking Mill Technical Information . If GB/T 3077 20CrMnMo covers the following issues of hot rolled and forging alloy steel: the dimension, shape, weight, tolerance, engineering specification, test method, inspection rules, packaging, marking, and quality certificates.

  10. 20crmnmo material COMPARISON OF ASME SPECIFICATIONS AND …

    in the ASME and ASTM materials specifications are the 2 in. (50 mm) gage length round, 0.5 in (12.5 mm) dia., test specimen. Commonly used test specimens in the EN specifications are the 5.65√So gage length test specimen (where So = original cross-sectional area).

  11. 20crmnmo material :: Equivalent Standards :: A/SA516-70, A/SA515-70, ST52-3 ...

    ASME SA516 Grade 60/70 Plates, API 5L X52 Seamless Pipes, API 5L X60 Seamless Pipes, API 5L X65 Seamless Pipes, API 5L X70 Seamless Pipes, S355J2G3 EN10025 Plates, ST52-3 DIN17100 Plates, SA515 Grade 60/70 Plates, SA182 F11 Bars, SA182 F22 Bars, SA182 F91 Bars, SA182 F5 Bars, SA240 Grade 321H Plates, SA240 Grade 347H Plates, SA240 Grade 316L Plate, API5L X52 LSAW/DSAW …

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