AISI 4340 low Alloy Steel
AISI 4340 alloy steel is a heat treatable and low alloy steel containing chromium, nickel and molybdenum. It has high toughness and strength in the heat treated condition.
C 0.36-0.43 Si 0.15-0.35 Mn 0.60-0.90 P/S 1.60-2.00 Cr 0.60-1.00 Mo 0.15-0.30
Normalizing 820-870 (Air cooling) Annealing 820 (Furnace cooling) Hardening 820-870 (Oil quenching) Tempering 580-680 (Rapid cooling
Annealed 255 HB MAX Tempered 31-38 HRC
Miele Steel Co., Ltd., founded in 1998, is a professional manufacturer and global exporter specializing in metal manufacture and exportation. In recent years, winged by rapid merge and expansion, Our well-equipped plant emerged in Dainan, Jiangsu Province , with two Export offices respectively located in Shanghai and HongKong catering to a lager scale of customers from both home and abroad under the banner of supreme service.
Our plant now covers a land area of 18000 square meters, with 160 employees and 19 technicians. Backed up by our loyalty customers, old and new, as well as our advanced R&D team, the ranges of our stainless steel products are expanded to more varied choices, such as stainless steel wire, rod, round bar, flat bar, angle bar, channel bar, pipe, plate, sheet and coil made according to the norm and specification in GB, ASTM, JIS, EN, TOCT, KSD, and IS.
Our annual production capacity is now over 15000 T, most of which are widely used in petrochemical, textile, ship-making, construction industry and precision instrument manufacture. Our products are certified by ISO9001:2000 authentication quality systems and we are nominated as the AAA enterprise by Jiangsu government.
We promise "complete specifications, prompt delivery, high quality, competitive price, ". The unwavering supports you provide, along with the increasing requirements you put contributes to more varied high-quality products with more competitive prices we offer. Win-win situations are always our same pursuit.
If you are interested in our products, please feel free to contact us. We warmly welcome friends and cooperators from all over the world!
Marketing and Sales Center:
Room 501,Building33,No.258,Xinzhuan Road,SongJiang District,Shanghai,China
standard export packing, sea worthy packing.Delivery Detail:
base on quantity, normally 15 days after order is confirmed