AISI 4140 Steel Round Bar Carbon Steel Bar ASTM AISI Standard
AISI 4140 Carbon steel bar
Product details
AISI 4140 carbon steel rod is a low alloy steel rod containing chromium, molybdenum and manganese.
AISI 4140 is an excellent material choice for a wide range of industries due to its toughness, high fatigue strength, wear resistance and impact resistance. The hardness of AISI 4140 is hrc28~32 and the hardness of AISI 4140 after annealing is hrc22~28. The chemical composition of AISI 4140 contains 0.38~0.43% carbon, 0.17~0.37% silicon, 0.50~0.80% manganese, 0.15~0.35% sulfur, 0.15~0.35% phosphorus, 1.20~1.60% chromium, and 0.40~0.60% molybdenum.
| fications | Dimensions16-400mm,etcLength:2000-12000mm,or as required | Certification: | ISO, SGS,BV,Mill Certificate |
| Standard: | ASTM,AISI,JIS,GB, DIN,EN | Technique | Cold/Hot rolled, Cold-Drawn, or Hot Forged |
| Surface treatment | Black/Peeling/Polishing/Machined | Heat Treatment | Annealed; Quenched; Tempered |
| Material | A53,A283,A106-A,A179,A214-C,A192,A226,A315,A106,A178 | ||
| Q195,Q235,Q275,10#,15#20#, | |||
| 20GSTPG38,STS38,STB,30,STS42,STB42STB35, | |||
| SS400ST33,ST37,ST35.8,ST42,ST45-8,ST52 | |||
| price terms | FOB,CRF,CIF,EXW all acceptable | Delivery Detail | inventory About 3-5； |
| custom-made 15-20； | |||
| According to order's quantity. | |||
| standard export packing | inside:water proof paper,outside:steel covered with strips and pallets | ||
| Container size | 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) | ||
| 40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) | |||
| 40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) | |||
Product production process
Product packaging and transportation
Customers can default to our packaging method can also be specified, we can give you professional advice according to your location to choose the appropriate packaging and transportation method, of course, you can also specify.
JIMI STEEL MILL CO.,LTD, (“JIMI Steel” for short) is an international company integrating production, processing and sales. Always stand from the customer's perspective and provide customers with one-stop steel procurement services. Headquartered in Dezhou the company has successively invested and built production lines of galvanized steel, color coating steel, seamless steel pipe, cold-rolled sheet and stainless steel products in China; Meanwhile, it has established long-term and friendly relations with Baosteel, Tisco, Posco and other major domestic and international steel mills to conveniently and efficiently provide customers with high-quality products and services. In addition, the company has also set up its own warehouses in major domestic ports to ensure that the goods are delivered to customers at the first time. As long as you need steel, JIMI Steel will give you the best support!
Manufacturing capacity
Our production line is running well, the product stock is sufficient, and we also maintain close cooperation with major domestic and foreign steel mills to ensure timely delivery of goods for customersLogistics tracking
After receiving the order, we will quickly prepare the goods for you and send them out, and track the logistics throughout the process to ensure that the goods are safely and quickly delivered to the customer's designated locationQuality assurance
All our products are produced with high-quality raw materials, and all products can accept professional quality inspection by third-party testing institutions and can issue relevant quality certificatesWorry free after sale
After placing the order, we will have a special after-sales manager to docking you, to help you solve any problems that may occur in the use of the process, if necessary, we can assist you to return or exchange goods
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.