SAE 4140 Alloy Seamless Steel Pipe Custom 6m 8m 10m Length 42CrMo4 Alloy Steel
Brand Name:DELTA
Certification:ISO
Model Number:Carbon Steel , Alloy Steel
Minimum Order Quantity:4 Tons
Delivery Time:5 - 10 days based on the quantity
Payment Terms:L/C, Western Union, T/T
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SAE 4140 Alloy Seamless Steel Pipe Custom 6m 8m 10m Length 42CrMo4 Alloy Steel
Product name | SEAMLESS STEEL PIPE | Zinc Coating | custom | |
Material: | Carton steel/Alloy | Technique | hot rolled/cold drawn | |
Welding method | NO | Packing | Bare packing/Polyethylene sheet packing etc. | |
Standard | GB/T, ASTM, API, EN, DIN, JIS, etc. | Pipe Ends | Plain , Beveled , Coupling , Threading etc. | |
Grade | 4130 4140 1045 1020 8620.etc | Surface Treatment | Galvanized , Painted , Epoxy Coated , 3PE Coated , etc. | |
Outer diameter | 1/8 - 36 inch ( 10.3 - 914.4 mm) | Product Application | Oil and Gas Delivery/Liquid Transport etc. | |
Wall thickness | 25 - 50mm | Type | Fluid Pipe , Line pipe , Oil Casing , Alloy Pressure Pipe Low
Temperature Pipe , Structural Pipe , etc. | |
Length | Random Length, SRL, DRL Fixed Length | Certifications | CE,ISO,SGS | |
delivery time | 3-5days(in stock) | samples | YES | |
payment terms | TT | catelog | Please consult customer service to obtain | |
4140 steel (or AISI 4140 steel as it is called in the USA) is a widely used metal due to its resistance to corrosion and other favorable properties. This article discusses 4140 steel in detail, its properties and uses in mechanical industries, and how to weld this alloy metal.
AISI SAE 4140 low-alloy steel containing chromium and molybdenum is widely used in general purpose high tensile steel for components like axles, shafts, bolts, gears, collars, and a wide variety of applications across the engineering and automotive industries.
AISI SAE 4140 low-alloy steel containing chromium and molybdenum is widely used in general purpose high tensile steel for components like axles, shafts, bolts, gears, collars, and a wide variety of applications across the engineering and automotive industries.
4140 Steel and its Properties
4140 steel is a low alloy with chromium and molybdenum as strengthening agents. This steel also contains carbon, manganese, and other elements. The chromium in 4140 steel imparts superior hardness penetration, manganese improves its hardenability, and molybdenum makes it strong (tough).
Chromium and molybdenum make 4140 a better corrosion-resistant steel than ordinary alloy steels, making it a great choice for products exposed to harsh environments. Manganese and sulfur content in 4140 steel enhance its machinability.
The 4140 steel has good toughness, high strength, ductility, wear resistance, and a good strength-to-weight ratio. It has high fatigue strength, torsional strength, and good abrasion and impact resistance.
4140 steel is available in bars (different sections like round, hexagon, square, etc.), sheets, and other sections. It is available in the form of cold rolled rounds with added lead (a small quantity of 0.15 to 0.35%) to improve its machinability (however, this is not recommended for welding applications (welding fumes are not healthy) and any applications that involve heating above 400° F).
Chemical Composition of 4140 Steel
| Chemical composition of 4140 steel | ||||||||
| Element | Chromium (Cr) | Manganese (Mn) | Carbon (C) | Silicon (Si) | Molybdenum (Mo) | Sulfur (S) | Phosphorous (P) | Iron (Fe) |
| Percentage | 0.80-1.10 | 0.75-1.0 | 0.38-0.43 | 0.15-0.3 | 0.15-0.25 | 0.04 Max | 0.035 Max | Balance |
Important Physical Properties of 4140 Steel
| Important physical properties of 4140 steel | |||||
| Physical properties | Density | Melting point | Tensile strength | Yield strength | Brinell Hardness |
| Values | 7.85 g/Cm3 | 2580° F (1416° C) | 95000 PSI (655 Mpa) | 60200 PSI (415 Mpa) | 197 |
Application of AISI4140 Alloy Steel pipe
Automobile industry: Connecting rods, axle shafts, gears, pinions, worms, crankshafts, shafts, cams, sprockets, valves, piston rods, ejector pins, racks, pinions, etc.
Tooling: Boring bars, jigs, fixtures, drill chucks, forming dies, milling and lathe spindles, collets, tool holders, sockets, the body of the chuck, molds, etc.
Machinery parts: Bolts and nuts, shafts, shafts of motors, couplings, guides, gears, racks, pinion, worms, slides, conveyor rollers, etc.
Hand tools: Crowbars, torsion bars, forging anvil, etc.
Oil and gas industries: Components machined from rods and forgings.
Aerospace industry: Different components, viz. shafts, gears, pinions, and other components, manufactured from rods and forgings.
SAE 4140 Alloy Seamless Steel Pipe Custom 6m 8m 10m Length 42CrMo4 Alloy Steel
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