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Supplier: SAE International
Description: This document specifies the procedure and requirements for heat treating Nitralloy 135M, Nitralloy EZ, Nitralloy N, 4140, 4340, and H11 steels and for the subsequent gas nitriding of these alloys by the use of raw or dissociated ammonia.
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Supplier: SAE International
Description: This document specifies the procedure and requirements for heat treating low-alloy and tool steels and for their subsequent gas nitriding by the use of raw or dissociated ammonia. Specific process parameters are given for Nitralloy 135M, Nitralloy EZ, Nitralloy N, 4140, 4340, D6AC and
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Supplier: ASTM International
Description: 1.1 This specification covers additive manufacturing of parts manufactured via laser beam powder bed fusion (PBF-LB) processing of Grade 4340 (UNS G43400) used in transportation applications, including automotive applications. Parts made using this processing method require heat
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Supplier: ESAB Welding and Cutting Products
Description: Features Low alloy TIG rod for repairing medium and high carbon steels where complete heat treatment is desired such as SAE 4130, 4140, 4330, 4340, 8620, and 8630 steels. Hardness from 36 to 38 Rockwell C. Copper coated.
- Tensile Strength (UTS): 163,000 psi
- Welding Filler Types: Steel - Low Alloy Carbon
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Supplier: ASTM International
Description: 1.1 This test method covers mechanical tests for the evaluation and control of the potential for hydrogen embrittlement that may arise from various sources of hydrogen as in plating processes, from fluids, cleaning treatments, maintenance chemicals, and gaseous environments that may contact
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Supplier: ASTM International
Description: accordance with Test Method F1459 and Test Method F1624. 1.3 This test method specifies the use of air melted SAE 4340 steel (Grade A, see 7.1.1) per SAE AMS 6415 (formerly SAE AMS-S-5000 and formerly MIL-S-5000) or an alternative VAR (Vacuum Arc Remelt) SAE 4340 steel (Grade B, see
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Dimensional Verification: CMM inspection of critical tooth dimensions Hardness Testing: Verification of heat treatment (read more)
Browse ISO Roller Chain Sprockets Datasheets for Chengdu Leno Machinery Co., Ltd.
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AIAA Journal > Review of Subcritical Crack Growth under Sustained Load
Similar behavior has been reported in another study of sub- critical crack growth in heat-treated AISI 4340 steel.8 In this study 0.125-in.-thick center cracked sheet specimens of AISI 4340 heat treated to a yield strength of 195…
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Effect of Hardness on the Ballistic Impact Behavior of High-Strength Steels Against 7.62-mm Armor Piercing Projectiles
Fig. 2 Microstructure of the AISI 4340 heat treated to (a) 40 HRC, (b) 50 HRC, and (c) 59 HRC by SEM.
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Application of Laboratory Test Data to Engineering Design
Stress corrosion performances of two high-strength steel alloys, 4340 heat treated to 1793 MPa (260 ksi) and 300M heat treated to 1862 MPa (270 ksi), were found to be equivalent in testing of notch bend specimens in a high- humidity environment…
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Investigation of methods for compensating for setting problems of tapered roller bearings in dimensionally unstable bearing housings
4340 HEAT TREATED , ALLOY STEEL .
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Proposed Theory for the Hydrogen Embrittlement Resistance of Martensitic Precipitation Age-Hardening Stainless Steels such as Custom 455
As per the requirements of ASTM F519, the steel used for the test, which is most commonly air-melted 4340 heat treated to a hardness of Rc 51–53 having a tensile strength between 260 and 280 ksi, must demon- strate the sensitivity…
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Screening Tests for Hydrogen Stress Cracking Susceptibility
In this paper, the step-load bend test method has been used to estimate Kiscc for high-strength steels [Type 4340 heat treated to 1.79 GPa (260 ksi) UTS] and low-strength steels (HYS0, HY100, and HY130) where Klscc measurements by…
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Stress distribution about a slowly growing crack determined by photoelastic-coating method
The material tested was 0.130-in. thick SAE 4340 heat treated to 210 to 250 ksi yield strengths.
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Characterisation of the surface damage of X38CrMoV5 (AISI H11) tool steel at room temperature and 600 °C
However, in a similar material, AISI 4340 heat treated to a yield strength of 1000 MPa, the threshold value has been de- termined at 3.0 MPa.m1/2 in Ref. [32].
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Processing of polyurethane/polyester interpenetrating polymer networks by reaction injection molding (RIM). Part I: Design of a high pressure RIM system
\ 4340 HEAT TREATED AND CASE HARDENED .