The content of 4140 steel includes chromium, molybdenum and iron. The molybdenum and chromium components give it a uniform hardness, as well as high strength. Because of this strength, 4140 steel is easily machined and responds well to heat treatment. 4140 steel is tough with high fatigue strength.
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Alloy steels:5140 standards:ASTM A29 / A29M-04 \"characteristics and application:ASTM5140 is the most commonly used alloy steels, tensile strength, yield strength and its quench-hardening ability are better than no. 40 steel is high, but the weldability Co., LTD, have formed the tendency of crack. ASTM5140 used for more important conditioning parts, such as alternating load of parts, medium
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Seamless Steel Pipes for Liquid Service GB/T 8163-2018:ASTM A106:Seamless Cold-drawn or Cold-rolled Steel Tubes for Precision Applications. GB/T 3639-2009:DIN1629/DIN2391 / EN 10305-1:Cold Drawn Shaped Steel Tubes. GB/T 3094-2012:ASTM A500 / ASME SA500:Seamless Steel Tubes for Automobile Stabilizer Bar. GB/T 33821-2017
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eFunda:Glossary:Materials:Alloys:Alloy Steel:AISI 5140Other designations of AISI 5140 alloy steel include UNS G51400 and AISI 5140. Steel is the common name for a large family of iron alloys. Steels can either be cast directly to shape, or into ingots which are reheated and hot worked into a wrought shape by forging, extrusion, rolling, or other processes.
special type steel bar manufacturer factory, View special special type steel bar manufacturer factory, US $ 550 - 750 / Ton, 1018,1020,1045, 4140, 5140, 5120,4340, 20CrMnTi, ASTM, GB, JIS, China.Source from Tianjin ZF Steel