Hot Rollled ASTM 4130 4140 4340 Alloy Steel Round Bar

Alloy steel round bars, they are commonly used in various industrial applications due to their high strength, toughness, and wear resistance. The specific details of an alloy steel round bar can vary based on the composition and intended use. Here are some general details about alloy steel round bars:

Composition: Alloy steel round bars can be made from a variety of alloying elements such as chromium, nickel, molybdenum, vanadium, manganese, silicon, and others. The specific composition will determine the mechanical properties and performance characteristics of the round bar.

Mechanical Properties: Alloy steel round bars are known for their high tensile strength, good hardenability, and excellent wear resistance. The mechanical properties can be further enhanced through proper heat treatment and alloying element selection.

Applications: Alloy steel round bars are used in a wide range of applications including the production of shafts, gears, fasteners, and other components where high strength and durability are required.

Surface Finish: The surface of alloy steel round bars can be finished through processes such as grinding, polishing, or coating to meet specific requirements for corrosion resistance and aesthetics.

Heat Treatment: Proper heat treatment processes such as quenching and tempering are essential to achieve the desired combination of hardness, strength, and toughness in alloy steel round bars.

Standards: Alloy steel round bars are often manufactured to meet specific industry standards such as ASTM, AISI, DIN, or JIS, ensuring consistency and quality.

If you have further questions about the properties or applications of these alloy steel round bars, feel free to ask for more detailed information.

Product Detail

Here are the general details of 12CrMo, 15CrMo, 20CrMo, 30CrMo, 42CrMo and 35CrMo alloy steel round bars:

Alloy Composition: These alloy steel round bars contain chromium, molybdenum and other alloying elements that give the steel high strength, wear resistance and corrosion resistance.

Mechanical Properties: These alloy steel round bars have excellent tensile strength, hardenability and toughness, making them suitable for the manufacture of high-strength parts.

Surface Treatment: The surface of alloy steel round bars can be treated by grinding, polishing or plating to meet specific corrosion resistance and aesthetic requirements.

Heat Treatment: Proper heat treatment processes such as quenching and tempering are essential to achieve the hardness, strength and toughness required for alloy steel round bars.

Standards: These alloy steel round bars usually meet industry standards such as ASTM, AISI, DIN or JIS to ensure product consistency and quality.

These alloy steel round bars are suitable for applications that require high strength and wear resistance, such as the manufacture of mechanical parts such as bearings, gears, connecting rods, etc. When selecting alloy steel round bars, you should consult a material expert or supplier based on specific requirements such as strength, toughness and processability to ensure that the appropriate material is selected for the intended use.

Main Application

1.Fluid / Gas delivery, Steel structure, Construction;
2.ROYAL GROUP ERW/Welded round carbon steel pipes, which with Highest quality and strong supply ability are widely used in Steel structure and Construction.

Note:
1.Free sampling, 100% after-sales quality assurance, Support any payment method;
2.All other specifications of round carbon steel pipes are available according to your requirement (OEM&ODM)! Factory price you will get from ROYAL GROUP.

Size Chart

Process of production

molten iron magnesium-based desulfurization-top-bottom re-blowing converter-alloying-LF refining-calcium feeding line-soft blowing-medium-broadband conventional grid slab continuous casting-cast slab cutting One heating furnace, one rough rolling, 5 passes, rolling, heat preservation, and finishing rolling, 7 passes, controlled rolling, laminar flow cooling, coiling, and packaging.

Product Inspection

Packing and Transportation

Usually bare package

Transportation: Express (Sample Delivery), Air, Rail, Land, Sea shipping (FCL or LCL or Bulk)

FAQ

Q: Are u a manufacturer?

A: Yes, we are a manufacturer. We have our own factory located in Daqiuzhuang Village, Tianjin City, China. Besides, we cooperate with many state-owned enterprises, such as BAOSTEEL, SHOUGANG GROUP, SHAGANG GROUP,etc.

Q: Can I have a trial order only several tons?

A: Of course. We can ship the cargo for u with LCL serivece.(Less container load)

Q: Do u have payment superiority?

A: For big order, 30-90 days L/C can be acceptable.

Q: If sample free?

A: Sample free, but the buyer pays for the freight.

Q: Are you gold supplier and do trade assurance?

A: We seven years cold supplier and accept trade assurance.We will usually satisfy our respected shoppers with our superior good quality, fantastic selling price and good company due to we're a lot more expert and far more hard-working and do it in cost-effective way for Professional China HRB400 HRB500 Hrb500e Deformed Steel Rebar Round Bar Construction Reinforcing Iron Metal Hot Rolled Round Square Stainless Carbon Steel Flat Corrugated Tmt Bar, Are you still on the lookout for a good quality product that is in accordance together with your very good organization image while expanding your item range? Consider our quality merchandise. Your choice will prove to be intelligent!
Professional China China Steel Bar and Rebar, If you need to have any of our merchandise, or have other items to be produced, make sure you send us your inquiries, samples or in depth drawings. Meanwhile, aiming to develop into an international enterprise group, we look forward to receiving offers for joint ventures and other cooperative projects.