AISI 4340 Steel is a Alloy Structural Steel belong to ASTM A29/A29M Steel Grade standard. AISI 4340 used in Oil and Gas industry and Large Machinery Strutural. 4340 Steel China Supplier and factory Otai Special Steel Supply 4340 steel in Round bar, Plate, Flat bar,
4340 Steel 36CrNiMo4 1.6511 EN24 SNCM439 - Otai AISI 4340 steel is a medium carbon, low alloy steel. Otai steel is one leading supplier of 4340 steel & equivalents:36CrNiMo4, 1.6511, EN24, SNCM439 etc.
Leoscor Alloys is a known exporter and supplier of AISI 4145 Round Bars and AISI 4145H Round Bars, which can be subjected to unique melting and deoxidization processes for specific kind of applications. Alloy Steel UNS G41450 Round Bars is low alloy chromium molybdenum (CrMo) steel similar to 4140 but with amended analysis which contributes towards its increased hardenability at larger diameters.
AISI 4340 (E4340) per AMS 6415 - Bars - Sheet, Plate, BarAircraft Quality 4340 per 6415 Cold Finished Round Bar. Chromoly steel 4340 (E4340) has outstanding harden-ability and high-strength characteristics. Ideal for highly stressed parts operating under severe conditions, aircraft quality AISI 4340 steel alloy material is excellent for shafts and valves that are subject to extreme conditions.
ASTM A304 4118 H Round bar,4118 H Bearing steel,4118 H ASTM A304 4118 H Round bar,4118 H Bearing steel,4118 H round bar. Unitedsteel Round bar factory export ASTM A304 High carbon chromium round bar, The main steel grade is 1330 H, 1335 H, 1340 H, 1345 H, 4027 H, 4028 H, 4032 H, 4037 H, 4042 H, 4047 H, 4118 H, 4130 H, 4135 H, 4137 H, 4140 H, 4142 H, 4145 H, 4147 H, 4150 H, 4161 H, 4320 H, 4340 H, E4340 H, 4419 H, 4620 H, 4621 H.
AISI 4340 is stocked in the heat treated and stress-relieved condition at approximately 150,000 psi (1034 N/mm2) and in the annealed condition at HB 235 max. Typical Applications High strength machine parts, heavy-duty shafting, high tensile bolts and studs, gears, axle shafts, crankshafts, boring bars and down-hole drilling components
High Tensile Steels Interlloy Engineering Steels + AlloysASTM A579, A646 AMS 6417, 6419AMS MIL S-8844D, S-8844 Class 2:0.38:1.45:0.60:1.65:0.70:0.30:Low alloy vacuum melted steel of very high strength. It is a modified AISI 4340 with silicon, vanadium and slightly highercarbon and molybdenum content than 4340.
SAE 4340 Carbon Steel Hex Bar A29M Hex Bar ssroundbarBeing one of the noted manufacturer, stockists and suppliers, weoffer SAE 4340 Carbon Steel Hex Bar.Available at economical rates, the offered SAE 4340 Carbon Steel Hex Bar are widely used in metallurgical, mechanical, electrical construction field, ships, military uses and automobile rear of products.We are a prominent name in manufacturing and supplying a wide range of SAE 4340 Carbon Steel
Forging:4340 steel is usually forged at a temperature of 1065 to 1230 °C (1950 to 2250 °F); after forging, the parts can be air-cooled in a dry place, or preferably with a furnace. Welding of AISI 4340 Steel. AISI 4340 steel has good weldability. It can be easily gas or arc welded, but electrodes of the same composition should be used.
Standard Specication for Carbon and Alloy Steel Bars bars, round, 4.0 in. dia by 10 ft, Grade 1340H, J 40/56 = 616 in., heat analysis required, ASTM A 304, dated _____, worm gear. 4.2 The purchaser shall specify the desired grade, including the suffix letter H, in accordance with Table 1 or Table 2. 4.3 Band limits are shown graphically and as AISI 4340 (E4340) per AMS 6415 - Bars (HR)AISI 4340 (E4340) per AMS 6415 - Bars (HR) Aircraft Quality 4340 per 6415 Hot Rolled (H.R.) Round Bar Our AMS 6415 Round Bar Hot Rolled Aircraft Quality material meets AISI 4340 steel grade specifications in accordance with ASTM International Standards. This grade of chromoly bar has outstanding harden-ability as one of the richer alloy grades.