High Quality Round Bar Q195 Q235 Hot Rolled 5-28mm

High Quality Round Bar Q195 Q235 Hot Rolled 5-28mm System 1

High Quality Round Bar Q195 Q235 Hot Rolled 5-28mm

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Product Description:

OKorder is offering High Quality Round Bar Q195 Q235 Hot Rolled 5-28mmat great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

Product Applications:

1) Suitable for making various strong cutting tool abrasion resistance, impact resistance.

2) Used to produce all kinds of high hard and super hard saw blade, drill, tap, broach, gear hob and various kinds of milling cutter.

3) Used for advanced punching die, screw die, and the toughness and complicated shape of the punch, etc.

4) Is used for cold forging die and drawing mode, etc.

5) Recommended watchcase factory, screw factory and other cold stamping products industry use.

Product Advantages:

OKorder's High Quality Round Bar Q195 Q235 Hot Rolled 5-28mm are durable, strong, and resist corrosion.

Main Product Features:

· Premium quality

· Prompt delivery & seaworthy packing (30 days after receiving deposit)

· Corrosion resistance

· Can be recycled and reused

· Mill test certification

· Professional Service

· Competitive pricing

Product Specifications:

1. Grade: GB, JIS, ASTM, EN

2. Grade: Q235, SS400, A36, S235JR

3. Diameter and mass: As below

Diameter	Mass	Diameter	Mass	Diameter	Mass
(mm)	(kg/m)	(mm)	(kg/m)	(mm)	(kg/m)
6	0.22	22	2.98	53	17.30
7	0.30	24	3.55	56	19.30
8	0.40	25	3.85	60	22.20
9	0.50	26	4.17	63	24.50
10	0.62	28	4.83	65	26.00
11	0.75	30	5.55	70	30.20
12	0.89	32	6.31	75	34.70
13	1.04	34	7.13	80	39.50
14	1.21	36	7.99	85	44.50
15	1.39	38	8.90	90	49.90
16	1.58	40	9.86	95	55.60
17	1.78	42	10.90	100	61.70
18	2.00	45	12.50	120	88.85
19	2.23	48	14.20	140	120.93
20	2.47	50	15.40	150	138.82

4. Material: Mild Steel

5. Heat treatment of high quality steel:

Fire: Isothermal annealing temperature is 800 ~ 880 °C, with 10 ~ 20 °C, the furnace cooling to about 600 °C, hardness above HB269.

Preheat temperature: 730-730 °C

Quenching temperature: 1190-1210 °C

Tempering temperature: 540-595 °C

Cold drawn, hardness 285 HBS

Cold drawn after annealing condition, hardness 277 HBS

Quenching methods: oil quenching, air cooling or salt bath quenching

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

High Quality Round Bar Q195 Q235 Hot Rolled 5-28mm

Q: What is the tensile strength of steel round bars?: The tensile strength of steel round bars varies depending on the specific grade or type of steel used. On average, steel round bars possess a tensile strength ranging from 400 to 500 megapascals (MPa). This implies that steel round bars can endure a pulling or stretching force of 400 to 500 MPa before undergoing permanent deformation or fracturing. It is worth mentioning that varying grades of steel, such as mild steel, carbon steel, or alloy steel, may exhibit different tensile strength values. Moreover, factors like heat treatment, manufacturing process, and round bar size can also impact its tensile strength. Therefore, it is advisable to seek accurate and precise information regarding the tensile strength of a particular steel round bar from the specific manufacturer or supplier.

Q: What are the different types of steel round bar alloys for improved wear resistance?: There are several different types of steel round bar alloys that are specifically designed to improve wear resistance. These alloys are formulated to have enhanced hardness and toughness, making them suitable for applications where the material is subjected to constant friction or abrasive forces. One common alloy is tool steel, which includes variations such as H13, D2, and A2. Tool steel is known for its high hardness, excellent wear resistance, and good toughness. It is often used in applications such as molding and forming tools, cutting tools, and dies. Another alloy for improved wear resistance is stainless steel. Stainless steel round bars are corrosion-resistant and have good strength properties. They are commonly used in applications like food processing equipment, medical devices, and marine components. Abrasion-resistant steel, also known as AR steel, is another type of alloy used for improved wear resistance. AR steel is specially formulated to withstand impact and abrasion, making it ideal for applications such as mining equipment, construction machinery, and material handling systems. Manganese steel is another alloy that provides excellent wear resistance. It is commonly used in applications involving high impact and abrasive wear, such as crusher jaws, railroad crossings, and excavator buckets. Lastly, there are specialty alloys such as chrome-moly steel (chromium-molybdenum) and nickel-chromium alloys, which offer superior wear resistance in specific conditions. These alloys are often used in high-temperature applications, such as aerospace components, power generation equipment, and automotive parts. In summary, the different types of steel round bar alloys for improved wear resistance include tool steel, stainless steel, abrasion-resistant steel, manganese steel, and specialty alloys. Each alloy has its own unique properties and is suited for specific applications where wear resistance is a critical requirement.

Q: Can steel round bars be used in the production of HVAC equipment?: Yes, steel round bars can definitely be used in the production of HVAC (Heating, Ventilation, and Air Conditioning) equipment. Steel round bars are widely utilized in the manufacturing of various HVAC components such as air ducts, frames, supports, brackets, and other structural elements. Steel is a popular choice in HVAC equipment due to its excellent strength, durability, and resistance to corrosion. Its high tensile strength makes it suitable for handling the mechanical stresses and loads experienced by HVAC systems. Additionally, steel can withstand high temperatures and is non-combustible, making it a safe material for HVAC applications. Overall, steel round bars are widely utilized in the production of HVAC equipment for their reliability, longevity, and performance.

Q: What is the difference between a centerless ground and a cold finished steel round bar?: Both centerless ground steel round bars and cold finished steel round bars are types of steel bars that have undergone different manufacturing processes, resulting in distinct characteristics and properties. To produce a centerless ground steel round bar, a hot rolled or cold drawn steel bar is fed through a grinding machine. This grinding process eliminates any surface imperfections or irregularities, resulting in a smooth and uniform surface finish. Additionally, the centerless grinding process ensures precise dimensional tolerances, making the bar suitable for applications that require accurate measurements. Furthermore, centerless ground bars have improved straightness and roundness, enhancing their overall quality and suitability for various machining operations. On the other hand, a cold finished steel round bar is created by cold drawing or cold rolling a hot rolled steel bar. This process involves reducing the diameter of the bar while maintaining its length, resulting in a more precise and consistent size. Cold finishing also enhances the surface finish of the bar, making it smoother and more uniform. Cold finished bars have tighter dimensional tolerances and improved mechanical properties, including higher strength and hardness compared to hot rolled bars. In conclusion, the primary distinction between centerless ground and cold finished steel round bars lies in their manufacturing processes and resulting characteristics. Centerless ground bars possess a smooth surface finish, tight dimensional tolerances, improved straightness, and roundness, rendering them suitable for precise machining applications. On the other hand, cold finished bars offer a more precise size, improved surface finish, tighter dimensional tolerances, and enhanced mechanical properties, making them suitable for various applications requiring higher strength and hardness.

Q: Can steel round bars be used for making tie rods?: Indeed, tie rods can be fashioned from steel round bars. Owing to their robustness and endurance, steel round bars find widespread usage in the realm of construction and engineering. By offering structural reinforcement and stability, tie rods serve a vital purpose, and steel round bars are particularly appropriate for this task. Possessing remarkable tensile strength, they can withstand substantial loads and tension, rendering them a perfect selection for tie rods. Moreover, steel round bars enable effortless fabrication and welding, thereby allowing for adaptability and versatility in the creation and assembly of tie rods.

Q: Can steel round bars be used in the production of construction materials?: Indeed, the utilization of steel round bars is feasible in the manufacturing of construction materials. Owing to their remarkable robustness and endurance, steel round bars find frequent application within the construction sector. These bars are instrumental in fortifying concrete structures, exemplified by the reinforcement of beams, columns, and slabs, thereby enhancing their resilience and steadfastness. Furthermore, in the construction of buildings and bridges, steel round bars can be employed in the creation of steel frames, trusses, and various structural constituents. The widespread popularity of these bars stems from their adaptability and capacity to endure substantial burdens in the construction industry.

Q: What is the maximum vanadium content allowed for steel round bars?: The maximum vanadium content allowed for steel round bars varies depending on the specific steel grade and industry standards. However, in general, the maximum vanadium content is typically around 0.10-0.15%.

Q: Are steel round bars suitable for electrical conductivity?: Steel round bars are not typically known for their electrical conductivity. Steel is a good conductor of heat but has relatively poor electrical conductivity compared to other metals such as copper or aluminum. This is because steel is primarily composed of iron, which is a poor conductor of electricity. However, the electrical conductivity of steel can be improved by adding certain alloying elements such as chromium or nickel. These alloying elements can enhance the electrical conductivity of steel, making it more suitable for specific applications where electrical conductivity is required. Nonetheless, if high electrical conductivity is a critical requirement, other materials like copper or aluminum are usually preferred over steel round bars.

Q: Can steel round bars be used in the textile industry?: No, steel round bars are not typically used in the textile industry. Textile manufacturing mainly requires materials such as fibers, yarns, fabrics, and machinery specific to the industry. Steel round bars are more commonly used in construction, engineering, and manufacturing sectors where structural strength is required.

Q: What are the different grades of stainless steel round bars for marine applications?: There are several different grades of stainless steel round bars that are commonly used for marine applications. The most common grades include 304, 316, and 316L stainless steel. Grade 304 stainless steel is a versatile and widely used alloy that offers good corrosion resistance, high strength, and excellent formability. It is often used for marine applications where moderate corrosion resistance is required. Grade 316 stainless steel is similar to grade 304, but it contains additional molybdenum, which enhances its corrosion resistance, especially against chlorides and other aggressive environments commonly encountered in marine applications. This grade is often preferred for marine environments where increased resistance to corrosion is necessary. Grade 316L stainless steel is a low carbon version of grade 316, which further improves its resistance to sensitization and intergranular corrosion. This makes it highly suitable for marine applications where welding is required, as it minimizes the risk of corrosion at the welds. In addition to these grades, there are also specialized stainless steel alloys such as duplex stainless steel, which combines the benefits of austenitic and ferritic stainless steels. These alloys offer even higher corrosion resistance and strength, making them suitable for more demanding marine applications. When selecting the grade of stainless steel round bars for marine applications, it is important to consider the specific environmental conditions, such as exposure to saltwater, chemicals, or high temperatures. Consulting with a materials specialist or referring to industry standards can help ensure the right grade is chosen for the specific marine application.

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