4340 forged bar - 01
4340 forged bar For Sale, Most Competitive Price, Fast Delivery, Custom Service, Wholesale 4340 forged bar, Made in China, High Quality Products!, China aisi 4340 properties, aisi 4340 mechanical properties Supplier, Manufacturer.
4340/817M40 forged bar
APPLICATIONS:
Components for the aircraft, automotive, general engineering industries, Propeller shafts, connecting rods, gear shafts, and other automobile parts, Heavy forgings, Rotors, shafts, discs. Pulley shafts, gears, pins and axles, Heavy-duty axles, shafts, heavyduty gears, spindles, pins, studs, collets, bolts, couplings, sprockets, pinions, torsion bars, connecting rods, crow bars, conveyor parts etc. Used where higher yield and tensile strength than 4140 is required.
RELATED SPECIFICATIONS:
Australia AS 1444-2007 4340
Germany W.Nr 1.6565 34CrNiMo6
Great Britain BS970 1955 EN24
BS970 Part 3:1991 817M40
BS EN10083:1-1991 817M40
USA ASTM A29A29M 1991 4340
ASTM A322 4340
SAE 4340
UNS G43400
Japan JIS G 4103 SNCM439
JIS G 4103 SNCM8
Werkstoff 1.6565 40NiCrMo6
Chemical Composition(%):
Carbon 0.37-0.44
Silicon 0.17-0.37
Manganese 0.50-0.80
Phosphorus 0.04 max
Sulphur 0.04 max
Chromium 0.60-0.90
Molybdenum 0.15-0.25
Nickel 1.25-1.85
Process: EAF+LF+VOD+ Forged+Heat Treatment(optional)
SIZE RANGE:
Round:
Hot Rolled: 80mm-1200mm
SURFACE FINISHES:
Black, Peeled K12, Cold Drawn, Turned & Polished H10, H11, Precision Ground H9, H8
Test: Ultrasonic test according to SEP 1921-84 3
Forging:
Heat to 1150 oC - 1200 oC maximum, hold until temperature is uniform throughout the section.
Do not forge below 850 oC.
Following forging operation the work piece should be cooled as slowly as possible in sand or dry lime etc.
contact person: Anndy wang
email:anndy(at)shunitesteel(dot)com
skpye:amywang20131
Shanghai Unite Steel
Address: Room 1109, Green Land International Plaza, No. 275-8 Guoding East Road, Shanghai 200433, P.R. China., shanghai, shanghai, China, 200433
Tel: 862135316960
We, Shanghai Unite Steel Trading Co., Ltd, are committed to integrate steel resources in china and serve the global steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise before. In the aspect of resources and information, we have established cooperative relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest history; BAO Steel- the biggest one; Northeast Special Steel Group-the biggest special steel manufacture; TPCO- largest seamless steel tube production enterprise; and some large powerful welded pipe producer: Tianjin United Steel Pipe Co., Ltd. Guangzhou JuYi Steel Pipe Co., Ltd. Tianjin Zhongshun Petroleum Steel Pipe Co., Ltd. Shengli Oilfield Longxi Petroleum Steel Tube Co., Ltd. Etc.
What's more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want.
Our company is specialized in Special steel bars and Steel tube products.
Special steel bars: carbon steel, alloy steel, mould steel, tool steel, gear steel, bearing steel, spring steel, high temperature steel, and stainless steel, etc.
Steel tube products: general structure pipe, fluid pipe, mechanical processing pipe, oil tubing, casing pipe, line pipe and high pressure boiler tube, stainless steel pipe etc.
We can supply steel products in China's National Standard, European Standard, American Standard and other national standard, etc.
contact person:Anndy wang email:anndy(at)shunitesteel(dot)com skype:amywang20131
