35CrMo AISI 4135 Forged Round Bars 34CrMo4

35CrMo AISI 4135 Forged Round Bars 34CrMo4 System 1

35CrMo AISI 4135 Forged Round Bars 34CrMo4 System 2

35CrMo AISI 4135 Forged Round Bars 34CrMo4 System 3

35CrMo AISI 4135 Forged Round Bars 34CrMo4 System 4

35CrMo AISI 4135 Forged Round Bars 34CrMo4

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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Grade	C	Si	Mn	Cr	Mo
35CrMo	0.32/0.40	0.17/0.37	0.40/0.70	0.80/1.10	0.15/0.25

Material	Hot forged steel round bar
Diameter	80mm-1200mm
Length	steel round bar:2000mm-12000mm Straightness: 3mm/M max; square bar:100-1000mm, blocks sizes up to 800*1000mm
Process	EAF + LF + VD +(ESR) + Forged + Heat Treatment (optional)
Delivery condition	Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)
Delivery Time	30 days
MOQ	20 tons
Heat treatment	Normalized / Annealed / Quenched / tempered
Forged ratio	no less than 3:1
Technical Data	According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing; SCM440 steel round bar available for test
Test	Ultrasonic test according to SEP 1921-84 G3 C/c
Certificate of Quality	issued in English, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness), forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality
Marking	Grade, heat NO. length will be stamped one each bar with required color
Payment	30% advance by T\T, balance pay before shipment Irrevocable LC at sight
Application	Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.

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

Q:What are the advantages of using nickel-chromium-silicon alloy steel round bars?: There are several advantages of using nickel-chromium-silicon alloy steel round bars. Firstly, this type of alloy steel offers excellent corrosion resistance, making it suitable for various applications in corrosive environments. Secondly, its high strength and toughness properties make it ideal for applications requiring heavy-duty and high-stress resistance. Additionally, nickel-chromium-silicon alloy steel round bars possess good high-temperature stability, allowing them to withstand elevated temperatures without significant deformation or loss of mechanical properties. Lastly, this alloy steel is known for its excellent weldability and machinability, enabling easy fabrication and customization according to specific requirements.

Q:Are steel round bars suitable for plumbing applications?: Yes, steel round bars are suitable for plumbing applications. They are commonly used in plumbing systems for their strength, durability, and resistance to corrosion. Steel round bars can be easily shaped and welded to create various plumbing components such as pipe fittings, supports, and brackets. Additionally, their high tensile strength makes them capable of withstanding the pressure and load requirements in plumbing systems.

Q:What is the difference between 40Cr round steel and 40Cr forging parts?: The utility model has the advantages of high strength and good plasticity, and is suitable for making important parts with large force and high requirement.The properties of forgings are superior to those of ordinary ones.

Q:What are the advantages of using rust-resistant steel round bars?: There are several advantages of using rust-resistant steel round bars. Firstly, they have a longer lifespan compared to regular steel bars as they are less prone to corrosion. This makes them ideal for outdoor applications or in environments with high humidity or exposure to water. Secondly, rust-resistant steel round bars require less maintenance and upkeep, saving both time and money. Additionally, these bars provide enhanced structural integrity and strength due to their resistance to corrosion, making them suitable for heavy-duty applications. Finally, using rust-resistant steel round bars ensures the aesthetics of the structure as they retain their appearance and do not develop unsightly rust stains over time.

Q:Are steel round bars suitable for marine propeller applications?: Indeed, marine propeller applications find steel round bars to be a fitting choice. The utilization of steel as a prevalent material for marine propellers arises from its exceptional attributes of robustness, endurance, and resistance to corrosion. By machining and shaping steel round bars into the desired configuration for propeller blades, one can achieve remarkable performance within a marine setting. Furthermore, steel exhibits the ability to endure the substantial stresses and forces encountered by propellers in water, rendering it a dependable option for marine propulsion systems.

Q:What are the different grades of steel used in round bars?: The different grades of steel used in round bars vary depending on the desired properties and applications. Some common grades include mild steel (low carbon steel), stainless steel, alloy steel, and tool steel. Each grade offers specific characteristics such as strength, corrosion resistance, hardness, or machinability, allowing for a wide range of applications in industries like construction, manufacturing, automotive, and aerospace.

Q:Can steel round bars be used for making punches and dies?: Yes, steel round bars can be used for making punches and dies. Steel round bars are commonly used in tool and die making due to their high strength and durability. They can be machined or forged into the desired shape and then hardened to ensure a long lifespan and resistance to wear and deformation. The hardness and toughness of steel round bars make them ideal materials for withstanding the high forces and pressures involved in punching and shaping various materials. Additionally, steel round bars are readily available in various sizes and grades, making them a cost-effective choice for making punches and dies.

Q:Are steel round bars magnetic?: Indeed, steel round bars have the potential to possess magnetic characteristics. The magnetism of steel is contingent on its composition and processing methods. The predominant steel alloys utilized, such as carbon steel or stainless steel, prominently feature iron as their primary constituent. Iron is recognized as a ferromagnetic substance, signifying its susceptibility to magnetization. Thus, steel round bars constructed from these alloys will inevitably display magnetic attributes. However, it is crucial to acknowledge that the strength of the magnetism can fluctuate depending on the precise composition of the steel. Certain stainless steel alloys, for instance, possess a lower magnetic permeability and may consequently manifest diminished magnetic traits in comparison to carbon steel.

Q:How are steel round bars stored and transported?: To ensure the safety and ease of handling for steel round bars, a variety of methods are employed for their storage and transportation. Typically, warehouses or outdoor yards serve as storage locations for these bars. Within these facilities, horizontal stacking on racks or placement on steel stands is a common practice to prevent any damage or deformation. It is essential to keep the bars elevated from the ground to avoid contact with moisture and potential rusting. For transportation purposes, steel round bars are often bundled together using steel straps or chains. These bundles are designed to tightly secure the bars and prevent any movement during transit. Furthermore, the bundles are frequently labeled with pertinent information such as steel type, dimensions, and weight to ensure proper identification and handling. The transportation of steel round bars can be facilitated by trucks, trains, or ships, depending on the distance to be covered. Shorter distances typically utilize trucks and trains, while ships are preferred for longer hauls, especially for international shipments. The loading process may involve flatbed trucks or shipping containers, depending on the size and weight of the bars. During transportation, it is crucial to avoid any potential impacts or mishandling that could cause damage to the bars. To achieve this, proper securing and bracing techniques are employed to minimize movement or shifting during transit. The use of blocking and bracing materials is common practice to prevent rolling or sliding of the bars. In conclusion, steel round bars are stored in warehouses or outdoor yards and bundled together using steel straps or chains. They are transported using trucks, trains, or ships, with careful attention given to securing and bracing to prevent damage. By adhering to these storage and transportation practices, steel round bars can be delivered safely and efficiently to their intended destinations.

Q:What are the chemical composition requirements for steel round bars?: Steel round bars can have different chemical composition requirements depending on the specific grade or type of steel. Generally, carbon steel, alloy steel, and stainless steel are commonly used for making these bars. Carbon steel round bars consist mainly of iron and carbon, with small amounts of other elements like manganese, phosphorus, sulfur, and silicon. The carbon content can range from 0.08% to 2.1%, depending on the desired strength and hardness. These bars find widespread use in construction, manufacturing, and general-purpose applications. Alloy steel round bars contain additional alloying elements such as chromium, nickel, molybdenum, vanadium, and manganese. These elements are added to improve the mechanical properties of the steel, including strength, hardness, and resistance to wear and corrosion. The specific chemical composition requirements for alloy steel round bars can vary significantly depending on the desired properties and the specific alloy used. Stainless steel round bars are primarily composed of iron, chromium, and nickel, with smaller amounts of other elements like carbon, manganese, and molybdenum. The high chromium content provides excellent corrosion resistance, while the nickel content enhances strength and ductility. The chemical composition requirements for stainless steel round bars are typically specified by international standards such as ASTM or EN, which define the minimum and maximum allowable percentages of each element. In conclusion, the chemical composition requirements for steel round bars depend on the specific grade or type of steel being used, with carbon steel, alloy steel, and stainless steel being the most common types. The composition of these bars is carefully controlled to achieve the desired mechanical properties and performance characteristics for various applications.

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