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  • 4340 Alloy Steel AMS Resources

    ASTM A-320 (L43) ALLOY STEEL BOLTING MATERIAL FOR LOW TEMPERATURE SERVICE. ASTM A-322 STEEL BARS, ALLOY, STANDARD GRADES STEEL BARS, ALLOY, STANDARD GRADES. ASTM A-331 STEEL BARS, ALLOY, COLD-FINISHED STEEL BARS, ALLOY, COLD-FINISHED. ASTM A-506 STANDARD SPEC.

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  • BAR DATA HANDBOOK AISI/SAE - Steel Dynamics

    BAR DATA HANDBOOK AISI/SAE Chemical Compositions and Metallurgical Data ... RECOMMENDED MAXIMUM HOT WORKING TEMPERATURES 157 ... perform heat treating operations such as Quench and Temper, Normalizing, and Annealing (LP, Spheroidize, Cold Shear, Stress Relieve). In addition to heat treating, the Bar Finishing facility can

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  • [DOC]

    ASTM A304 8620H gear steel,A304 8620H auto steel

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    ASTM A304 8620H gear steel is a kind of carburizing steel, it has a high hardenability with a hard and wear-resistant surface and tensile inside through carburizing and quenching. And ASTM A304 8620H gear steel has a higher low-temperature impact toughness, the weldability is medium, the cutability is good by quenching.

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  • Standard Specification for Steel Bars, Alloy, Hot-Wrought ...

    reheated to the proper temperature for tempering (a lot thus reheated being known as a “tempering charge”), and allowed to cool uniformly. The temperature selected for tempering shall be not less than 800°F (427°C). 4.5.2 Material cold drawn after heat treatment shall be stress relieved, when this is necessary, in order to meet the specified

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  • Material Information - SUHM Spring Works - Custom ...

    Material Information Suhm purchases only the highest quality material, because the superior caliber of each spring produced depends on it. Our company has over 27,000 square feet (2508 m 2 ) of popular and exotic raw materials in stock to ensure prompt delivery of your order.

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  • ASTM A29 / A29M - 16 Standard Specification for General ...

    A304 Steel Bars, Alloy, Hot-Wrought or Cold-Finished, Quenched and Tempered. A434/A434M Steel Bars, Alloy, Hot-Wrought, for Elevated Temperature or Pressure-Containing Parts, or Both . A739. Cold-Finished Alloy Steel Bars Steel Bars, Alloy, Hot-Rolled or Cold-Finished, Quenched and Tempered . A434…

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  • ASTM A400 - 17 Standard Practice for Steel Bars, Selection ...

    1.2.1 Classes P and Q should be capable of developing the mechanical properties shown in Tables 1-4 by liquid quenching from a suitable austenitizing temperature, and tempering at 800 °F (427 °C) or higher.

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  • Effect of Heat Treatment on Mechanical Properties and ...

    tensile strength and hardness at tempering temperature 450oC while the percentage elongation, toughness and percentage reduction increased which can be associated to the graphitisation of the precipitated carbides that resulted in the formation of ferrite at tempering temperature of 450oC. This showed that tempering temperature improved the degree of tempering of the

    Published in Journal of Minerals and Materials Characterization and Engineering · 2011Authors D A Fadare · T G Fadara · O Y AkanbiAbout Microstructure

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  • 4340 Steel 36CrNiMo4 1.6511 EN24 SNCM439 - Otai ...

    Tempering ; AISI 4340 alloy steel should be in the heat treated or normalized and heat treated condition before tempering. The tempering temperature for depends upon the strength level desired. For strength levels in the 260 – 280 ksi range temper at 232°C (450 F). For strength in the 125 – 200 ksi range temper at 510°C (950 F).

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  • Alloy Steel Quik Guide - Castle Metals

    Alloy Steel Quik Guide. NOMENCLATURE HR – HOT ROLL – ORIGINAL AS ROLLED SURFACE FROM STEEL MILL. MEETS ASTM A29 TOLERANCES. FGD – HOT FORGED – TYPICAL FOR SIZES OVER 10” WHER HR CAPABILITIES DIMINISH. CF – COLD FINISH – INCLUDES ROUGH TURNED, COLD DRAWN, TURNED & POLISHED, TURNED GROUND & POLISHED – MEETS. ASTM A 108 …

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  • AISI 4340H Steel, quenched 845°C, 540°C (1000°F) temper

    alloy steels, UNS H43406, ASTM A304, SAE J1268, DIN 1.6565, IS 1570 40Ni2Cr1Mo28, IS 1570 40NiCr1Mo15, Transition temperature - 90°C (50% Brittle) AISI 4340H has a favorable response to heat treatment (usually oil quenching followed by tempering)

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  • Materials Mid-West Spring

    Alloy spring steels also can withstand higher and lower temperatures than the high-carbon steels and are obtainable in either the annealed or pre tempered conditions. Note These materials are not regularly stocked in a wide variety of sizes.

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  • Speedy Metals Information for 8620 Hot Roll Steel

    HEAT TREATING. 8620 can be hardened to 1500° F followed by water quench. Carburize at 1650° - 1700° F in an appropriate carburizing medium and oil quench to harden. Tempering of carburized parts is done at 250° - 300° F and will result in the alloy having a core strength of …

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  • AISI 4140 Alloy Steel (UNS G41400) - AZoM

    Topics Covered

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  • AISI 4340H Steel, quenched 845°C, 540°C (1000°F) temper

    alloy steels, UNS H43406, ASTM A304, SAE J1268, DIN 1.6565, IS 1570 40Ni2Cr1Mo28, IS 1570 40NiCr1Mo15, Transition temperature - 90°C (50% Brittle) AISI 4340H has a favorable response to heat treatment (usually oil quenching followed by tempering)

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  • 4340H / H43400 datasheet,4340H / H43400 …

    Technical specifications of ASTM hardenability requirement alloy structural steels 4340H/H43400 data sheet, 4340H/H43400 Chemical composition,4340H Mechanical properties from Steelmaking, ESR melted, Blooming, Hot forging,Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working, Peeled or rough turned machining.

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  • ASTM A304 Grade 51B60H - Steel - Matmatch

    AISI 348 soft tempered wire. AIR 9160 Grade 9160C211 solution annealed and stabilized (sheet) bar, sheet. AIR 9160 Grade 9160C231 solution treated and tempered bar

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  • Bearing Austenitizing and Tempering - ASM International

    austenite in the finished bearing. A tempering temperature of 230 °C (450 °F) is particularly effective in transforming any retained austenite to tempered martensite. The international standard DIN 623 Rolling Bearings provides a guide for tempering 52100 to achieve adequate dimensional stability at specific service temperatures. Volume 4D, Heat Treating of Irons and Steels-> Heat Treating of

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  • Standard Specification for Steel Bars, Carbon and Alloy ...

    A 663/A 663M Specification for Steel Bars, Carbon, Mer- chant Quality, Mechanical Properties A 675/A 675M Specification for Steel Bars, Carbon, Hot- Wrought, Special Quality, Mechanical Properties A 689 Specification for Carbon and Alloy Steel Bars for Springs A 696 Specification for Steel Bars, Carbon, Hot-Wrought or Cold-Finished, Special Quality for ...

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  • Standard Classification for Temper Designations for …

    Standard Classification for Temper Designations for Copper and Copper Alloys— Wrought and Cast1 This standard is issued under the fixed designation B 601; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.

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  • BOLTING MATERIAL ASTM SPECIFICATIONS - Global …

    (7) Acceptable nuts for use with quenched and tempered steel bolts are ASTM A 194 Grade 2 and 2H. (8) Mechanical property requirements for studs shall be the same as for bolts. (9) Bolting materials suitable for high-temperature service with austenitic stainless steel valve materials.

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  • Heat Treatment Methods for Carbon and Alloy Steel Pipe

    There are low temperature tempering 205 to 595°F (400 to 1105°F), medium temperature and high temperature tempering (to 700℃ 1300℉). The purpose of tempering is to increase the toughness of steel and alloy steel pipe. Before tempering, these steel is very hard but too brittle for the most application.

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  • Quenching and tempering of welded carbon steel tubulars

    Jul 29, 2001 · The process of quenching and tempering carbon steel tubulars is not unlike that which is applied to other carbon steel shapes the part is heated to about 1,600 degrees Fahrenheit, cooled rapidly, and reheated to a temperature less than about 1,300 degrees F.

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  • List of ASTM International standards - Wikipedia

    ASTM F1807 Standard Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring for SDR9 Cross-linked Polyethylene (PEX) Tubing and SDR9 Polyethylene of Raised Temperature (PE-RT) Tubing ASTM F1813 Standard Specification for Wrought Titanium–12 Molybdenum–6 Zirconium–2 Iron Alloy for Surgical Implant (UNS R58120) [5]

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  • 20cr4 Hot Rolled Quenched And Tempered Alloy Steel Bar ...

    20cr4 Hot Rolled Quenched And Tempered Alloy Steel Bar With Competitive Price , Find Complete Details about 20cr4 Hot Rolled Quenched And Tempered Alloy Steel Bar With Competitive Price,Tempered Alloy Steel Bar,Quenched And Tempered Alloy Steel Bar,Hot Rolled Quenched And Tempered Alloy Steel Bar from Steel Round Bars Supplier or Manufacturer-Shanghai Unite Steel …

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  • ASTM A335 Seamless Ferritic Alloy Steel Pipe

    It is recommended that the temperature for tempering should be at least 100°F (50°C) above the intended service temperature; consequently, the purchaser should advise the manufacturer if the service temperature is to be over 1100°F (600°C).

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  • Hardening and tempering of knife steel — Sandvik …

    Purpose of hardening and tempering of knife steel Hardening is a way of making the knife steel harder. By first heating the knife steel to between 1050 and 1090°C (1922 and 1994°F) and then quickly cooling (quenching) it, the knife steel will become much harder, but also more brittle.

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  • ASTM A291 Tempering Temperature - Metal and …

    ASTM A291 dictates the minimum tempering temperatures that shall be followed. My questions 1. What is the reason for dictating the minimum tempering temperature ? 2. Can you go any lower on the tempering temperatures (when hardness is not achieved) and what are the risks in doing so. Thanks for the help in advance.

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