Stainless Steel round bar with CE CertificateChina Supplier
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 5000 m.t./month
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Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
2-150mm
Length:
50-6500mm
Net Weight:
2.5kg
China Supplier stainless steel round bar with CE Certificate
PRODUCT DESCRIPTION
Product Description
1, Diameter: 8mm-250mm rounds
5mm-9mm rods
2, Length: 2m, 3m, 5.8m, 6m or customized
3, Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN
OEM technology - send detailed technical parameters for accurate quotation.
2, Produce Process: smelt iron - EAF smelt billet - ESR smelt billet -
hot rolled or forged to get the steel round bar and plate
3, Heat Treatment: annealing, normalizing, tempering, quenching
4, Surface Treatment: Black, Polished, Galvanized
5, Quality Assurance: We accept third party inspection for all orders.
You can ask testing organizations such as SGS, BV, etc. to test our products before shipping.
PRODUCTS SHOW
Products Show
PRODUCTS&APPLICATION
Product Overviews
| 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) |
Application
| 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 |
F A Q
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, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
4, Trading Terms?
EXW, FOB, CIF, FFR, CNF
PACK & DELIVERY
Packaging & Delivery
1, Packaging: seaworthy package or as required
2, Delivery: 35-45 days or based on quantity
- Q:How do stainless steel bars resist scaling at high temperatures?
- Stainless steel bars resist scaling at high temperatures due to their unique composition and structure. Stainless steel is an alloy of iron, chromium, and other elements, which forms a protective layer of chromium oxide on the surface when exposed to air or moisture. This layer is extremely thin and tightly adheres to the steel, acting as a barrier against oxidation and scaling. The high chromium content in stainless steel bars, typically around 10-30%, is the key factor in their resistance to scaling. Chromium is highly reactive with oxygen and readily forms a stable oxide layer, even at elevated temperatures. This oxide layer prevents further oxidation of the underlying metal, effectively protecting the stainless steel from scaling. Additionally, stainless steel bars are often alloyed with other elements such as nickel, molybdenum, and titanium, which further enhance their high-temperature resistance. These alloying elements contribute to the formation of a more stable and dense oxide layer, making stainless steel bars even more resistant to scaling at extreme temperatures. Furthermore, stainless steel bars are typically manufactured with a fine-grained structure, which improves their resistance to scaling. The fine-grained structure provides a higher density of chromium oxide particles on the surface, increasing the protective effect against scaling. Overall, the combination of high chromium content, alloying elements, and fine-grained structure make stainless steel bars highly resistant to scaling at high temperatures. This resistance is crucial in various applications where the bars are exposed to extreme heat, such as in the construction of furnaces, boilers, and high-temperature processing equipment.
- Q:Are stainless steel bars resistant to magnetism?
- Yes, stainless steel bars are generally resistant to magnetism. Stainless steel is an alloy that contains chromium, which provides it with its corrosion-resistant properties. This alloying element also prevents the stainless steel from being magnetized. However, it is important to note that some types of stainless steel, such as martensitic stainless steel, can be slightly magnetic due to the presence of additional elements like iron. But for most commonly used stainless steel bars, they are non-magnetic and do not attract magnets.
- Q:Can stainless steel bars be used in pharmaceutical manufacturing applications?
- Stainless steel bars have the capability to be utilized in the pharmaceutical manufacturing field. Due to its exceptional resistance to corrosion, durability, and ease of cleaning, stainless steel stands out as the preferred material choice for pharmaceutical manufacturing. It finds common usage in a multitude of equipment, such as vessels, tanks, piping, and fittings. Moreover, stainless steel bars frequently contribute to the construction of support structures, platforms, and conveyors within pharmaceutical manufacturing facilities. Furthermore, they possess the advantage of being effortlessly machinable and fabricated to meet precise requirements, rendering them suitable for a vast array of pharmaceutical applications.
- Q:Can stainless steel bars be used in the automotive parts manufacturing industry?
- Indeed, the automotive parts manufacturing industry can utilize stainless steel bars. Stainless steel, known for its versatility and durability, offers numerous advantages for automotive applications. With its exceptional resistance to corrosion, high strength, and impressive heat resistance, stainless steel proves to be fitting for various components including exhaust systems, engine parts, and suspension components. By employing stainless steel bars, these parts can be fabricated to possess the necessary strength and reliability essential for automotive applications. Furthermore, stainless steel's ease of cleaning and maintenance is pivotal in ensuring the longevity and performance of automotive parts. All in all, stainless steel bars remain a favored choice in the automotive parts manufacturing industry due to their outstanding properties and ability to fulfill the demanding requirements of this sector.
- Q:Can stainless steel bars be used in corrosive environments?
- Yes, stainless steel bars can be used in corrosive environments. Stainless steel is known for its exceptional corrosion resistance properties, making it suitable for various applications in corrosive environments such as chemical processing plants, marine environments, and industrial settings. The high levels of chromium in stainless steel form a protective oxide layer on the surface that prevents corrosion and maintains the integrity of the bars even in aggressive conditions.
- Q:How do stainless steel bars resist hydrofluoric acid?
- The composition and oxide layer of stainless steel bars give them an impressive ability to withstand hydrofluoric acid. These bars are predominantly made of iron, chromium, and nickel, with varying amounts of other elements. The high chromium content in stainless steel forms a passive oxide layer on the surface, which acts as a protective barrier against corrosive substances like hydrofluoric acid. Hydrofluoric acid is a compound that is highly corrosive and dangerous, capable of attacking and dissolving various materials. However, when it comes into contact with stainless steel, the acid reacts with the chromium in the alloy, resulting in the formation of a stable compound called chromium fluoride. This compound creates a tightly adhering and insoluble layer on the surface of the stainless steel, effectively preventing further penetration of the acid. Additionally, the presence of nickel in stainless steel enhances its resistance to hydrofluoric acid. Nickel improves the overall corrosion resistance of stainless steel and helps maintain the passivity of the protective oxide layer. It also provides extra protection against localized corrosion, such as pitting or crevice corrosion, that may occur in the presence of aggressive acids like hydrofluoric acid. To summarize, the resistance of stainless steel bars to hydrofluoric acid is due to the formation of a protective oxide layer and the presence of chromium and nickel in the alloy. This combination of elements creates a barrier that prevents the acid from penetrating the steel and causing corrosion.
- Q:Are stainless steel bars suitable for seawater applications?
- Yes, stainless steel bars are suitable for seawater applications. Stainless steel is known for its excellent corrosion resistance, making it highly resistant to the corrosive effects of seawater. This is due to the presence of chromium in stainless steel, which forms a protective oxide layer on the surface of the metal, preventing further corrosion. Additionally, stainless steel bars have good strength and durability, making them suitable for use in harsh marine environments. They are widely used in various seawater applications such as marine structures, offshore platforms, boat fittings, and other marine equipment.
- Q:What are the different surface conditions available for stainless steel bars?
- Stainless steel bars can be produced in various surface conditions, depending on their intended use and desired appearance. Some of the different surface conditions available for stainless steel bars include: 1. Hot Rolled (HR): This surface condition is achieved by heating the stainless steel bars above their recrystallization temperature and then rolling them through a series of grooved rollers. It results in a rough and scaled surface finish. 2. Cold Rolled (CR): In this surface condition, the stainless steel bars are further processed after hot rolling. They are annealed and then passed through rollers that apply pressure to achieve a smooth and uniform finish. Cold rolling enhances the dimensional accuracy and surface quality of the bars. 3. Bright Annealed (BA): This surface condition involves annealing the stainless steel bars in a controlled atmosphere to eliminate any oxidation and scale formation. It results in a smooth and reflective surface finish, making it suitable for decorative and aesthetic applications. 4. Polished: Stainless steel bars can be mechanically polished to achieve a high-quality surface finish. Polishing involves the use of abrasive materials or buffing wheels to remove any imperfections and create a smooth and shiny surface. 5. Brushed: Brushing is another surface treatment option for stainless steel bars. It involves using abrasive materials or brushes to create a textured and uniform finish. Brushed surfaces often exhibit parallel lines or patterns, giving a distinctive appearance. 6. Pickled: Pickling is a chemical treatment used to remove impurities, oxides, and scale from the surface of stainless steel bars. It leaves a clean and slightly roughened surface, suitable for subsequent processes like passivation or coating. 7. Passivated: Passivation is a chemical treatment that removes free iron and other contaminants from the surface of stainless steel, enhancing its corrosion resistance. Passivated surfaces are typically clean and smooth. These different surface conditions offer various benefits and aesthetics, allowing stainless steel bars to be used in a wide range of applications, including architecture, automotive, food processing, and medical industries.
- Q:What are the different surface finishing techniques for stainless steel bars?
- Stainless steel bars can be enhanced in appearance, durability, and corrosion resistance through various surface finishing techniques. Some commonly used techniques include the following: 1. Polishing: The use of abrasive materials is employed to eliminate imperfections and create a smooth and shiny surface. Mechanical or chemical methods like grinding, buffing, or electropolishing can be utilized. 2. Brushing: The creation of a patterned or textured surface on stainless steel bars is achieved by using abrasive brushes or pads. This technique can be done in different directions, such as linear, circular, or satin, depending on the desired aesthetic. 3. Passivation: By means of a chemical process, free iron and other contaminants are removed from the surface of stainless steel bars. Passivation enhances the natural corrosion resistance of the material and prevents rust and staining. 4. Bead Blasting: This method involves blasting fine glass beads or ceramic particles onto the surface of stainless steel bars. It produces a matte or frosted finish and can also eliminate surface contaminants and scale. 5. Electroplating: An electric current is employed to apply a thin layer of metal, such as chrome or nickel, onto the surface of stainless steel bars. This technique can provide a decorative or protective coating, improving both appearance and corrosion resistance. 6. PVD Coating: Thin and durable coatings are applied onto stainless steel bars using Physical Vapor Deposition (PVD). This technique involves evaporating solid metal in a vacuum chamber and condensing it onto the surface of the bars. PVD coatings can offer various colors and finishes, enhancing the overall aesthetic appeal. These surface finishing techniques offer a range of visual and functional benefits, catering to specific requirements for various applications of stainless steel bars. The selection of a technique depends on factors such as desired appearance, durability, corrosion resistance, and budget limitations.
- Q:Are stainless steel bars suitable for marine environments?
- Stainless steel bars are a perfect fit for marine environments due to their exceptional resistance to corrosion. This makes them an optimal selection for use in marine settings, where exposure to saltwater and high humidity levels can lead to corrosion and rusting in alternative materials. In marine environments, stainless steel bars exhibit exceptional resistance to pitting and crevice corrosion. Moreover, they possess high strength and durability, enabling them to withstand the demanding conditions and extreme weather typically found in marine applications. Consequently, stainless steel bars are extensively employed in the fabrication of marine vessels, offshore platforms, and a variety of marine equipment.
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Send your message to us
Stainless Steel round bar with CE CertificateChina Supplier
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 5000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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