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The following is a comparison of 4130 grade steel and 4140 grade steel. This information may be useful for machining purposes and as a resource for purchasing 4130 and 4140 steel. Chemical Properties The chemical properties of 4130 and 4140 steel are similar aside from differences in Carbon and Manganese concentrations.
Tempering of AISI 4130 steel can be performed at 399 to 566C (750 to 1050F), depending on the desired strength level. Hardening of AISI 4130 steel can be done with cold working or heat treatment. Some of the major applications of AISI 4130 alloy steel are in aircraft engine mounts and welded tubing.
4130 steel, as low alloy steel, contains high amounts of chromium and is often referred to as chromoly. 4130 steel has good machinability, ductility, weldability and strength characteristics. 4130 steel is used for many different industries including the automotive, aerospace and machining industries.
A very common general purpose grade of medium carbon, Cr-Mo steel. Flexibility afforded by heat treatment options allows it to attain a range of toughness and strength values. Good hardenability, strength, wear resistance, toughness, and ductility.
Offers good strength, and weldability without compromising steel abrasion and impact resistance. Easy to machine and hot work as well as cold work in the annealed state, it becomes significantly more challenging once the steel is hardened. 4130 steel can also be easily welded.
4130 and 4340 are both popular steel grades at Capital Steel & Wire. Below is a chemical and mechanical properties comparison of both grades of steel as it may be of value for machining purposes and as a resource for purchasing 4130 and 4340 steel.
AISI 4130 is a low alloy steel containing molybdenum and chromium as strengthening agents. The carbon content is nominally 0.30% and with this relatively low carbon content the alloy is excellent from the fusion weldability standpoint.
AISI 4130 steel is usually supplied as round bar commonly in the hardened and tempered condition. AISI/SAE 4130 steel grade is a versatile alloy with good atmospheric corrosion resistance and reasonable strength up to around 315 C (600 F). It shows good overall combinations of strength, toughness and fatigue strength.
For all critical applications, verify to the applicable industry or requisite material / steel standard. AISI Carbon Steel Mechanical Characteristics Table Chart Yield, Tensile, Hardness AISI 3140 - AISI 9310
GENERAL INFORMATION Mechanical Properties of Steel - Condition, Strength, Hardness, Machinability Stainless Steels. AISI. Type 302 HQ Type 303. Type 304 Type 316. Type 410 Type 416. Type 17-4
Description 4130 Mechanical Tubing For High-Stress Applications. We supply 4130 tubing available in a wide variety of sizes, range, type, and schedule-class.Precision 4130 Seamless Mechanical Steel Tubing uses include the manufacture of hydraulic cylinders for heavy equipment.
4130 Annealed Steel Bar, Rod & Wire. Minimum Properties. Tensile Strength, psi. 81,200. Yield Strength, psi. 52,200. Elongation. 28.2%. Rockwell Hardness. B82. Chemistry. Iron (Fe) 97.3 - 98.22%. Carbon (C) 0.28 - 0.33%. Chromium (Cr) 0.8 - 1.1%. Manganese (Mn) 0.4 - 0.6%. Molybdenum (Mo) 0.15 - 0.25%. Phosphorus (P) 0.035% max. Sulphur (S) 0.04% max. Silicon (Si) 0.15 - 0.35%
SMLS 4130 tubing typically has a minimum yield strength of 75,000 and a minimum tensile strength of 95,000 and elongation of 15 -20% with a Rockwell hardness of B89
The hardness of the steel can be increased if it has a lower tempering temperature. For example, a tensile strength of 225 ksi can be achieved by tempering at 316C (600F), and a tensile strength of 130 ksi can be achieved by tempering at 538C (1000F). Hardening. AISI 4140 alloy steel can be hardened by cold working, or heating and 4130 steel yield strength psi
When 4130 is heated and held at 1,525 degrees, the crystalline structure of the steel begins to revert back to a malleable state. Fully annealed 4130 has a tensile strength of 81,200 pounds per square inch and a Rockwell hardness of 95.
Choose from our selection of grade 4130 steel, including over 225 products in a wide range of styles and sizes. In stock and ready to ship.
41xx steel is a family of SAE steel grades, as specified by the Society of Automotive Engineers (SAE). Alloying elements include chromium and molybdenum, and as a result these materials are often informally referred to as chromoly steel (common variant stylings include chrome-moly, cro-moly, CrMo, CRMO, CR-MOLY, and similar).
We stock this quality of E-4130 to meet the regulations of API Spec.6A. Bars are heat treated to Designation 75K and are Charpy V-notch impact- tested to Classification K. Stocks also conform to NACE Standard MROI- 75 with a maximum hardness of HRC22/HB235. E-4130 is readily machineable and weldable. Typical Applications
Alloy is the same as 1015 above, but with 0.20% carbon by weight, contributing to a higher overall strength at a slightly lower ductility. 4130 N: This steel is in a class of case-hardenable steel alloys. Commonly known as ChroMo or ChroMoly, this metal is alloyed with chromium and molybdenum for strength.
4130 (Chromoly) Normalized Alloy Steel Ultimate Tensile Strength, psi 97,200 Yield Strength, psi 63,100 Elongation 25.5% Minimum Properties Rockwell Hardness B92 4130 (Chromoly) Annealed Alloy Steel Tensile Strength, psi 81,200 Yield Strength, psi 52,200 Elongation 28.2% Minimum Properties Rockwell Hardness B82 Iron (Fe) 97.3 - 98.22%
Get QUICK QUOTE now (best price guaranteed) SP Metal takes immense pleasure in Introducing itself as a Stockiest & Exporter of Alloy Steel AISI 4130 Orifice Flanges, AISI 4130 Flanges, API Flanges & AISI 4130 Fittings.
Normalized SAE-AISI 4130 is SAE-AISI 4130 steel in the normalized condition. It has the highest ductility compared to the other variants of SAE-AISI 4130 steel. The graph bars on the material properties cards below compare normalized SAE-AISI 4130 to: SAE-AISI wrought steels (top), all iron alloys (middle), and the entire database (bottom).
4130 Mod is a low alloy steel that is commonly used in a variety of down hole tools, casing, tubulars, and accessories that require deep hardening strength with excellent impact resistance. It is a heat treatable alloy steel that contains nominally .25% Carbon, with Chromium and Molybdenum as the primary hardening elements.
General purpose pipe manufactured to ASTM Specification 519 Available in mechanical tube dimensions of 134.37 mm (5.29") od to 457.2 mm (18") od / 18.11 mm (0.71") wall to 55.25 mm (2.18") wall Length range up to 10.67 m (35') 4130 has improved weldability compared to 4140 (which has a higher carbon level) though this is achieved at the expense of through thickness strength.
It is also easily welded and is considerably stronger and more durable than standard 1020 steel tubing. One of the most common chrome moly steels is 4130. 4130 chrome moly is an ideal material for BMX bicycle frames and firearms receivers because of its high tensile strength and high strength-to-weight ratio.
SAE-AISI 4130 steel is an alloy steel formulated for primary forming into wrought products. 4130 is the designation in both the SAE and AISI systems for this material. G41300 is the UNS number. The properties of SAE-AISI 4130 steel include four common variations. This page shows summary ranges across all of them.
The science of steel is our business premium-quality carbon, alloy, hyper-chrome, duplex stainless and everything in between. 4130 steel yield strength psi 125,000 psi min Yield Strength 4130 steel yield strength psi
TWs cold drawn seamless chromoly 4130 tubing is a lighter weight, higher strength alternative to carbon steel. As the market leader in seamless 4130 tubing, TW Metals delivers a full range of rounds, squares, rectangles, and streamline products.
The chromium content provides good hardness penetration and the molybdenum imparts uniformity of hardness and strength. They respond readily to heat treatment and tensile strengths in order of 170,000 psi (1172 N/mm2) for small sections and 140,000 psi (965 N/mm2) for larger sections are attainable, all combined with good ductility and 4130 steel yield strength psi
4130 (Chromoly) Normalized Alloy Steel. Minimum Properties. Ultimate Tensile Strength, psi. 97,200. Yield Strength, psi. 63,100. Elongation. 25.5%. Rockwell Hardness
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