42CrNiMo4 Alloy Structural Steel Round Bars

42CrNiMo4 Alloy Structural Steel Round Bars System 1

42CrNiMo4 Alloy Structural Steel Round Bars System 2

42CrNiMo4 Alloy Structural Steel Round Bars System 3

42CrNiMo4 Alloy Structural Steel Round Bars System 4

42CrNiMo4 Alloy Structural Steel Round Bars

Ref Price:

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Carbon Steel Round Bar	SS400, S235JR,Q235, ASTM A36, Fe360A, Fe360B,SM400A,080A15, SS41,E235B
SAE 1020, AISI 1020, ASTM 1020, S20C, 20#, 050A20
SAE 1045, AISI 1045, ASTM 1045, S45C, 45#,EN8, XC45, XC48, 45B, C45, CK45, CM45, 060A47, R683/IC45e
Alloy Steel Round Bar	40Cr, DIN 1.7035, SAE 5140, AISI 5140, ASTM 5140, SCr440, 41Cr4, 530A40, 42Cr4, 40X, R683/VII3
SAE4140,42CrMo, 42CrMo4, DIN 1.7225, SCM440,EN19, 42CD4, 708M40, R683/II3
SAE 4340, 40CrNiMoA, EN24, SNCM439, 817M40,40XMA, R683/III4
SAE 8620,,AISI 8620, ASTM 8620, 20CrNiMo,SNCM220, 805M20
SAE52100, AISI52100,ASTM E52100, GCr15, SUJ2, 100C6, 100Cr6, 1.3505, 534A99, IIIX15

Standard	Grade	C	Cr	Mo	Si	Mn	P	S	Ni	Cu
GB	42CrMo	0.38-0.45	0.90-1.20	0.15-0.25	0.17-0.37	0.50-0.80	0.035	0.035	0.3	0.3
JIS	SCM440	0.38-0.43	0.90-1.20	0.15-0.30	0.15-0.35	0.60-0.90	0.03	0.03	0.25	0.3
ASTM	4140	0.38-0.43	0.80-1.10	0.15-0.25	0.15-0.35	0.75-1.00	0.035	0.04	—	—
ENISO	42CrMo4	0.38-0.45	0.90-1.20	0.15-0.30	≤0.40	0.60-0.90	0.035	0.035	—	—

Grade	Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation (%)	Reduction of Area (%)	Charpy Impact (J)
42CrMo	≥1080	≥930	≥12	≥45	≥63

Product Name	Typical Grades	Diameter(mm)	Standard adopted
Carbon Steel	20 (1020/S20C/C22)	Ø16-Ø300	GB/SAE/JIS/DIN
40 (1040/S40C/C40)
45 (1045/S45C/C45)
Bearing Steel	GCr9 (51100/SUJ1)	Ø12-Ø250
GCr15 (52100/SUJ2/100Gr6)
GCr9SiMn (A485-Gr.1/SUJ3)
Cr-Mo Steel	20Cr (5120/SCr420H/20Cr4)	Ø12-Ø250
40Cr (5140/SCr440/41Cr4)
42CrMo(4140/SCM440/42CrMo4)
Gear Steel	20CrNiMo	Ø16-Ø600
20CrMn(5115/SMnC420/20MnCr5)
20CrNiMo(8620/SNCM220/20CrMiMo2)

Carbon Steel	Mold bottom, Plastic mold, Construction machinery parts Automobile parts, Security grills, Screens, Construction
Bearing Steel	Aerospace, Navigation, Nuclear energy, Chemical industry Electronic information, Petrochemical, Instrument and meter Transportation
Cr-Mo Steel	Mechanism & Fasteners gear, Stressed components for vehicles Engines and machines, Parts of larger cross-section
Gear Steel	All kinds of gears, Statically and dynamically stressed component for vehicles Engines and machine, Larger cross-section parts, Crankshafts

Company Information

CNBM International Corporation is the most important trading platform of CNBM group.

Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.

FAQ

1, Your advantages?

professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale

2, Test & Certificate?

SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem

3, Factory or Trading Company?

CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.

4, Payment Terms?

30% TT as deposit and 70% before delivery.

Irrevocable L/C at sight.

5, Trading Terms?

EXW, FOB, CIF, FFR, CNF

6, After-sale Service?

CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.

For any problem, please kindly contact us at any your convenient time.

We'll reply you in our first priority within 24 hours.

Packaging & Delivery

1, Packaging: seaworthy package or as required

2, Delivery: 35-45 days or based on quantity

Round steel refers to the solid section for circular strip steel.Its specifications expressed as a number of mm in diameter, such as ""50"" indicates that the diameter of 50 mm round steel.Round steel hot rolling, forging and cold drawn three kinds.The specifications of the hot rolled round steel of 5.5 to 250 mm.5.5-25 mm small round steel are mostly with straight into bundles of supplies, commonly used for reinforcing steel bar, bolt, and various mechanical parts;More than 25 mm round steel,mainly used in the manufacture of mechanical parts and seamless steel tube billet.

Carbon steel according to the chemical composition (i.e., with carbon content) can be divided into low carbon steel, medium carbon steel and high carbon steel.According to the quality of the steel can be divided into ordinary carbon steel and high quality carbon steel.According to the purposes and can be divided into carbon structural steel, carbon tool steel.

The difference between the round steel and other steel: 1 appearance is not the same, round steel exterior circle of light, no lines without ribs, and other steel surface appearance has a groove or a rib, thus causing the cohesive force of small round steel and concrete, and the other the cohesive force of steel bar and reinforced concrete.2 ingredients are different, round steel (level 1) steel belong to the normal low carbon steel, more than other reinforcement for alloy steel.Three different intensity, low intensity of round steel and other steel high strength namely round steel have larger deformation before is pulled, and reinforced by other tensile deformation is much smaller.

Q:Can steel round bars be welded to other materials?: Yes, steel round bars can be welded to other materials. The process typically involves using compatible welding techniques and materials, such as specific filler metals, to achieve a strong and durable bond between the steel round bar and the other material.

Q:Can steel round bars be used for making staircases?: Yes, steel round bars can be used for making staircases. Steel round bars are commonly used in the construction industry for various applications, including staircase fabrication. They are strong, durable, and provide excellent structural support, making them an ideal choice for staircases. Steel round bars can be used to create the framework and structure of the staircase, providing stability and safety. Additionally, steel round bars can be easily shaped and welded to create different designs and styles for the staircase, allowing for customization and flexibility in the construction process. Overall, steel round bars are a reliable and popular choice for making staircases due to their strength, durability, and versatility.

Q:Are steel and round steel the same thing?: Yuan steel and round steel are the same thing, they are round steel.

Q:Can steel round bars be used in the production of forgings?: In the production of forgings, steel round bars can be utilized. These round bars are commonly employed as the primary materials in forging procedures. To shape them, the round bars are heated to a specific temperature and then subjected to diverse forging techniques like hammering, pressing, or rolling. Through the application of heat and pressure during the forging process, the mechanical properties of the steel are improved, rendering it stronger and more enduring. Steel round bars are highly suitable for forging production as they ensure a consistent and uniform shape, guaranteeing that the final product adheres to the required specifications. Furthermore, steel round bars offer versatility in terms of their size, grade, and composition, allowing for a wide range of applications across various industries such as automotive, aerospace, and construction.

Q:Can steel round bars be used for making interior components?: Yes, steel round bars can be used for making interior components. Steel is a durable and versatile material that can be shaped and formed into various designs and structures. Round bars are particularly suitable for creating interior components such as handrails, staircases, furniture frames, and decorative elements. They provide strength, stability, and an aesthetic appeal to interior spaces. Additionally, steel round bars can be easily welded, bent, or cut to meet specific design requirements, making them an ideal choice for custom-made interior components.

Q:Can steel round bars be used for making security grilles?: Certainly! Security grilles can be made using steel round bars. Steel, being a sturdy and durable material, offers excellent protection for windows and doors. By welding round bars together, a robust framework for the security grilles can be created. Moreover, steel round bars are highly customizable and can be shaped to fit any size or design requirement, making them suitable for various types of security grilles. The hardness and toughness of steel also make it resistant to cutting or tampering, thereby enhancing the security features of the grilles. All in all, steel round bars are a dependable option for creating security grilles due to their strength, durability, and customization capabilities.

Q:Can steel round bars be used in manufacturing equipment?: Yes, steel round bars can be used in manufacturing equipment. Steel round bars are commonly used in the manufacturing industry due to their various advantageous properties. They are known for their high strength, durability, and resistance to wear and tear. These properties make steel round bars ideal for use in heavy-duty machinery and equipment. They can be used to manufacture components such as shafts, axles, pins, and gears, which are crucial for the proper functioning of machinery. Additionally, steel round bars can be easily machined, welded, and formed into various shapes, making them versatile for use in different manufacturing applications. Overall, steel round bars are a reliable and widely used material in the manufacturing industry for the construction of equipment.

Q:The difference between galvanized round bar and galvanized flat steel: Galvanized round bar and galvanized flat steel are of different shapes and different uses.

Q:What are the different alloying elements used in steel round bars?: The different alloying elements commonly used in steel round bars include carbon, manganese, silicon, sulfur, phosphorus, chromium, nickel, molybdenum, vanadium, and sometimes tungsten. These elements are added in varying quantities to enhance specific properties of the steel, such as strength, corrosion resistance, and heat resistance.

Q:What is the difference between a hot rolled and a turned steel round bar?: The manufacturing process and resulting characteristics distinguish a hot rolled steel round bar from a turned steel round bar. To produce a hot rolled steel round bar, steel billets or ingots are heated to a high temperature and then rolled into the desired shape. This process facilitates easy forming and shaping, resulting in a bar with a rough surface and a slightly rounded or irregular shape. Hot rolling also enhances the overall strength and toughness of the steel, making it suitable for various applications. In contrast, a turned steel round bar is machined on a lathe from a hot rolled or cold drawn bar. This machining process involves removing material from the bar's surface using cutting tools, resulting in a smooth and precise finish. Turning allows for superior dimensional accuracy and control over the final shape and size of the bar. Regarding surface finish and dimensional accuracy, a turned steel round bar generally provides a higher level of precision compared to a hot rolled bar. The turned bar possesses a smoother surface with fewer imperfections, making it ideal for applications where appearance and aesthetics are important. Furthermore, the turned bar typically adheres to tighter tolerances, ensuring consistent dimensions throughout its length. The choice between a hot rolled and a turned steel round bar depends on the specific requirements of the application. Hot rolled bars are commonly employed in construction, manufacturing, and general engineering applications where strength and toughness play crucial roles. On the other hand, turned bars are frequently utilized in industries such as automotive, aerospace, and precision machining, where a high level of surface finish and dimensional accuracy is necessary. In conclusion, the distinction between a hot rolled and a turned steel round bar can be attributed to the manufacturing process and resulting characteristics. Hot rolled bars offer strength and toughness, while turned bars provide a smoother surface finish and greater dimensional accuracy. The choice ultimately hinges on the specific needs of the application.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range