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  1. Grade Guide: AISI 4140 Steel | Metal Supermarkets - Steel ...

    AISI 4140 steel is a low alloy steel containing chromium, molybdenum, and manganese. It is widely used across numerous industries and is an excellent material choice due to its toughness, high fatigue strength, and abrasion and impact resistance. Not many grades can match the versatility and usefulness of 4140.

  2. 4140 High Tensile Steel | Interlloy | Engineering Steels ...

    4140 is a 1% chromium - molybdenum medium hardenability general purpose high tensile steel - generally supplied hardened and tempered in the tensile range of 850 - 1000 Mpa (condition T).4140 is now available with improved machinability, which greatly increases feeds and/or speeds, while also extending tool life without adversley affecting mechanical properties.

  3. 15 Common Applications for Versatile 4140 Steel - Otai ...

    AISI 4140 steel grade is a versatile steel grade. 4140 material is widely used in a lots of industrial fields. It is a chromium-molybdenum alloy steel. It is a chromium-molybdenum alloy steel. The chromium content provides good hardness penetration, and the molybdenum content ensures uniform hardness and high strength.

  4. MetalsDepot - 4140 Alloy Steel Flat Bar

    4140 Alloy Steel Flat is an cold drawn annealed steel of relatively high hardenability with its chromium content provides good hardness penetration, and the molybdenum imparts uniformity of hardness and high strength. 4140 Alloy Steel Flat responds well to heat-treatment and is relatively easy to machine in the annealed condition. 4140 Alloy buy what does 4140 steel mean

  5. What is the number 40 stand for in 4140 steel - Answers

    What is the number 40 stand for in 4140 steel? 3 4 5. buy what does 4140 steel mean Where can you buy 1.5 inch SCH 40 pipe? buy what does 4140 steel mean If you mean 25% then the number is 160 because 25% of 160 = 40

  6. What steel are grade 8 nut and bolts made off?

    The j429 spec Steve references includes a purposely loose material spec. It includes any medium carbon steel like 1040 or 1050. What is locked down in the spec are the mechanical properties, so most any steel can be used if the mechanical specs are met after heat treat. It does not preclude alloy steels like 4140. $$ usually will do that.

  7. Alloy Steel 8640 - Continental Steel & Tube Company

    Alloy Steel 8640 is a special-alloy steel that includes chromium, manganese, and molybdenum. Due to its lower carbon levels, Alloy Steel 8640 takes mechanical and heat treatments better than most alloys. Alloy Steel 8640 is popular in the aerospace, defense, oil and gas, and automotive industries.

  8. Differences Between Normalized and Annealed 4130 Steel ...

    AISI 4130 steel has a specialized chemical composition that gives it a unique set of properties. The steel has a carbon content between 0.28 and 0.33 percent, a chromium content between 0.8 and 1.1 percent, manganese content between 0.7 and 0.9 percent, molybdenum between 0.15 and 0.25 percent and a silicon content between 0.15 and 0.35 percent.

  9. What is 4140 PHT steel? - Metal and Metallurgy engineering ...

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  10. 41xx steel - Wikipedia

    41xx steel is a family of SAE steel grades, as specified by the Society of Automotive Engineers (SAE). Alloying elements include chromium and molybdenum , and as a result these materials are often informally referred to as chromoly steel (common variant stylings include chrome-moly , cro-moly , CrMo , CRMO , CR-MOLY , and similar).

  11. 1018 vs. 1045 Steel Comparison | Capital Steel & Wire

    1018 vs. 1045 Steel Comparison Carbon steel is one of the most widely used materials in the world, and the 1018 and 1045 grades of steel is a big reason for that. One of the most common questions that arise when considering buying cold finished steel products is the difference between 1018 cold steel bars and 1045 cold bars.

  12. AISI 4140 Chrome-Molybdenum High Tensile Steel

    Topics Covered. Introduction. AISI 4140 is a chromium-molybdenum alloy steel. The chromium content provides good hardness penetration, and the molybdenum content ensures uniform hardness and high strength. AISI 4140 chrome-molybdenum steel can be oil hardened to a relatively high level of hardness.

  13. AISI / SAE 4140 Alloy Steel - AISI 4140 Forgings | All ...

    General characteristics of 4140 Alloy Steel. AISI or SAE 4130 grade is a low-alloy steel containing chromium and molybdenum as strengthening agents. Its chemical composition is as follows. AISI/SAE 4140 grade is a versatile alloy with good atmospheric corrosion resistance and reasonable strength.

  14. 4140 Steel?? | The Hobby-Machinist

    Your supplier may be a "stand up guy", but if he says 4140 and "cold rolled" are the same thing he doesn't know what he's talking about. As Tony said, any kind of steel (including 4140) may be cold rolled, but 4140 specifies a specific alloy with precisely controlled amounts of chromium, molybdenum, and carbon.

  15. Wingate Alloys Inc.

    4140 Chromium-Molybdenum Steel. Supplied in the annealed or prehardened condition. 4140 PREHARD is heat treated to a medium hardness (HRC 28/32) and is designated as 4140 HT. 4140 annealed is supplied in the soft condition and can be hardened to RC 40.

  16. AR15 Barrel steel ponderings 4150 4140 etc | The High Road

    Some of the 4150 CMV barrels are better made than 4140 barrels, but not all. And for example, Armalite uses 4140 and has an excellent reputation for their barrels. Most other rifles (besides the AR-15) use 4140 steel. Throat erosion is affected much more by the chrome lining than by the steel beneath that lining.

  17. 4140 Alloy Steel Data Sheet

    4140 Alloy Steel Data Sheet. 4140 is an alloy steel that is supplied in either the annealed or prehardened condition. The prehardened condition is heat treated to a medium hardness (HRC 28/32) and is designated as 4140 HT. 4140 annealed is supplied in the soft condition and can be hardened to RC 54. 4140 annealed is designated as 4140 Ann or simply 4140. 4140 HT is supplied in many forms such buy what does 4140 steel mean

  18. 4140 Prehard | Heat Treated Bars | Specialty Steel Co.

    We stock AISI 4140 and AISI 4150 steel in rounds, squares, and flats. All material is provided in a hot roll finish. Call or Email Us For a Free Quote. Material is quench & tempered, stress relieved and machine straightened. We offer an extensive inventory of hard-to-find sizes and lengths including (10/12 Ft Random Lengths, 20/24 Ft Random buy what does 4140 steel mean

  19. Speedy Metals Information for 4140 As-Rolled Plate

    4140 as-rolled plate is a chromium-molybdenun alloy steel that can be oil hardened to relatively high hardenability. The chromium content provides good hardness penetration, and the molybdenum imparts uniformity of hardness and high strength.

  20. 4140 Annealed Cold Rolled Round Bar | Cut To Size Steel ...

    Buy Metal Online 4140 & 1018 & 12L14 Cold Rolled Steel Bar Order Large or Small Quantity Online Cut to Size Cold Rolled Steel Bar No Minimum Order. Discount Steel 1-800-522-5950 buy what does 4140 steel mean 4140 Annealed Cold Rolled Round Bar Help Print . This material is not Quenched and Tempered or Heat Treated in anyway.

  21. AISI/SAE Steel - Numbering System

    AISI/SAE Steel - Numbering System AISI/SAE steel numbers . Sponsored Links . AISI/SAE steel numbers are indicated below. Example AISI/SAE No. 1020. the first digit indicates that this is plain carbon steel. the second digit indicates there are no alloying elements;

  22. PRODUCT GUIDES

    Product Guide - Steel Plate (contd) Form 1254 3/16/05 (Reprinted 5/27/15) Page 3 of 4 OVERVIEW Cold Reduced Plate Higher in quality (surface, flatness and shape). Maintains flatness after shearing, burning, or laser cutting and lower in cost. Flatness Defect Causes Uneven cooling Non-uniform thickness Pricing Considerations

  23. 41L40 | ALLOY | In Stock | Castle Metals Site

    Alloy 4140 in bar, plate, and tube SPECIFICATIONS: GRADE ALLOY 4140, AISI 4140, UNS G41400 Castle Metals stocks a wide range of Alloy 4140 in bar distributed globally from our distribution centers in the U.S., Canada, Mexico, U.K, Singapore, and Shanghai. Customers calling for 4140 a lot of times are upset about dealing with fluctuations in their build schedules.

  24. AISI - What does AISI stand for? The Free Dictionary

    AISI is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms AISI - What does AISI stand for? The Free Dictionary

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