AISI 4340 (E4340) alloy steel is a medium carbon, low alloy steel known for its toughness and strength. Machining is done typically in the annealed condition. 4340 steel properties offer good ductility in the annealed condition, allowing it to be bent or formed. Fusion and resistance welding is also possible with our 4340 steel from stock.
We can manufacture and sales AISI 4340 Alloy Steel round bar,AISI 4340 Alloy Steel forging,AISI 4340 Alloy Steel sheet,AISI 4340 Alloy Steel coil,AISI 4340 Alloy Steel flat bar,AISI 4340 Alloy Steel pipe,Lrregular,Through the eu the authentication, the international ISO certification, military quality, China's largest steel suppliers, perennial inventory quantities stock, welcome the global AISI 4340 Fasteners Alloy Steel AISI 4340 Bolts, AISI Alloy steel 4340 fasteners is a chromium-molybdenum alloy steel with high strength properties, used for manufacturing a wide range of fasteners across ASTM and ISO bolting standards. Our offered range of supply AISI 4340 Steel Fasteners has some great features to offer such as Compact design, Superior quality, longer service life and more.
Jul 31, 2019 · 4340 Steel Heat Treatment. AISI 4340 alloy steel is heat treated at 830°C (1525°F) followed by quenching in oil. Flame or Induction Hardening. As mentioned above, pre-hardened and tempered 4340 steel bars or plates can be further surface hardened by either the flame or induction hardening methods resulting in a case hardness in excess of Rc 50. AISI 4340H, AISI 4340H Steel Plate, AISI 4340H Structural Steel Grade:AISI 4340H, AISI 4340H Steel Plate, AISI 4340H Structural Steel. 2. Supply steel Size:Thickness:3mm to 150mm. Width:1000mm to 4500mm. Length:1000mm to 18000mm. 3. Chemical Composition & Mechanical Properties:AISI 4340H Chemical Composition.
Mar 06, 2015 · 4340 is a nickel-chromium-molybdenum alloy steel known for its toughness and its ability to attain high strengths in the heat-treated condition. It has very good fatigue resistance. AISI E4340 Alloy Steel (UNS G43406) - AZoMSep 05, 2012 · The thermal properties of AISI E4340 alloy steel are given in the following table. Properties. Metric. Imperial. Thermal expansion co-efficient (austenitized 870°C (1600°F), 545°C (1010°F) temper for 2 hrs/@ -70-20°C/-94- 68°F) 11.3 µm/m°C. 6.28 µin/in°F. Thermal conductivity (typical steel) 44.5 W/mK.
Annealing for Alloy Steel 4340 Stud Bolts is carried out between 1850 Degree F / 2050 Degree F (1010 Degree C / 1120 Degree C) followed by a water quench, when a hardness will be obtained. Where condensation of sulfur-bearing gases occurs, these AS 4340 Fasteners are much more resistant than other types of steels. Alloy steel 4340 Products Chemical Mechanical Properties Alloy steel 4340 is available in strips, sheets, plates, round and square bars, seamless and welded pipes & tubes, Forged & buttweld Fittings, flanges, fastener, flat rolled bars, Wire & valves. AISI 4340 alloy steel can be machined using all conventional techniques.
China Aisi 4130 Alloy Steel manufacturers - Select 2021 high quality Aisi 4130 Alloy Steel products in best price from certified Chinese Stainless Steel Product, Stainless Steel Material suppliers, wholesalers and factory on Made-in-China EN24/ AISI 4340/ 40NiCrMo84 Alloy Steel Stockist Oct 01, 2018 · EN24/ AISI 4340/ 40NiCrMo84. EN24 steel is a medium carbon, low alloy steel known for its toughness and strength in generally large sections. EN24 is likewise one kind of nickel chromium molybdenum steels. It can be supplied hardened and tempered in the tensile range of 930-1080 Mpa as well as annealed condition.
Nov 01, 2019 · AISI 4340 and AISI 4140 are normally used in heat treated conditions for different structural applications such as landing gear in aircrafts, crankshafts in automotive, aircrafts frame, nuts, and steel roller,,, because they lack toughness in non-heat treated conditions,,. Machining - Rolled Alloys, Inc.The American Iron and Steel Institute (AISI) determined machinability ratings for a wide variety of materials by running turning tests at 180 surface feet per minute (sfpm) and arbitrarily assigned 160 Brinell B1112 steel a machinability rating of 100%.
Sep 01, 2019 · The tested material was AISI 4340 alloy steel in a quenched and tempered state, with a 100 mm diameter and 317 HB hardness. The chemical composition is given in Table 1. AISI 4340 is a high- strength alloy steel widely used in the automotive and machine tool industries. Table 1. Mechanical properties and microstructural features of AISI 4340 high-strength alloy steel, supplied in the form of an extruded bar of 25.4 mm diameter, is used in this study, its chemical composition being given in Table 1. AISI 4340 steel is a low-alloy martensitic steel that can be heat treated to provide a wide range of hardness values.
May 30, 2020 · SAE-AISI 4340 (SNCM439, G43400) Ni-Cr-Mo Steel. SAE-AISI 4340 steel is an alloy steel formulated for primary forming into wrought products. 4340 is the designation in both the SAE and AISI systems for this material. G43400 is the UNS number. It can have a moderately high tensile strength among SAE-AISI wrought steels. Sturdy, Stainless properties alloy steel aisi 4340 pipe These rigid and structural properties alloy steel aisi 4340 pipe tube are imported from the finest workshops in several countries and are equipped with loads of
offers 928 aisi 4340 steel flat bar products. A wide variety of aisi 4340 steel flat bar options are available to you, such as standard, processing service, and technique. eFunda:Properties of Alloy Steel Alloy Steel AISI 4340Metal Alloys:Alloy Home:Steels:Alloy Steels:General Information:Properties:Classification:Standard:H-Steels:HSLA:Alloy Steel List:AISI 1xxx:AISI 2xxx:AISI 3xxx:AISI 4xxx:AISI 5xxx:AISI 6xxx:AISI 8xxx:AISI 9xxx * For other AISI or Non-AISI, please use the search function above or check Grades. ASTM Steels:Specific Alloy Steel
4340 ALLOY STEEL AMS 6414 VAR UNSG43406 DATA SHEET GENERAL CHARACTERISTICS:4340 VAR AMS 6414 is a low alloy Chromium-Nickel-Molybdenum steel capable of being heat treated to high strength levels. This specification is for a premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.