4130 / 4140 Alloy Tubing are medium carbon alloy grades, which are widely used for many general purpose applications that require high tensile strength and toughness. The addition of chromium and molybdenum as alloying elements, combined with heat treatment, provides the combined advantage of hardness, ductility, and strength.
4140 Meets ASTM A519 standards
4130 tubing meets ASTM A519 Cold Drawn MIL-T-6736B Condition N
Stocked Size Range: 0.250” – 15” OD; 0.035” – 2.00” wall thickness
Stocked Lengths 8’-24’
All common offroad sizes available in 4130 tubing
Cut to Length available in 4140
Benefits of Round 4130/4140 Alloy Seamless Mechanical Tubing
Superior tensile strength and toughness
High strength to weight ratio
Easily heat treatable to a broad range of strength, machinability, and hardness.
Applications: aircraft components, hydraulic cylinders, rollers, structural applications
Control Arms, Roll Cages, A-Arms,
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