Hot Rolled Spring Steel Bar 60Si2CrA with High Quality for Construction
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25000 m.t.
- Supply Capability:
- 200000 m.t./month
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Specification of Hot Rolled Spring Steel Bar 60Si2CrA with High Quality for Construction:
-Material: 60Si2CrA
-Standard: GB/T 1222-1984
-Type: Spring Steel
Corresponding Steel Grade for Reference:
CHN, GB | JPN, JIS | GER, DIN | GBR, BS |
60Si2CrA | SWOSC-V | 67SiCr5 | 685H57 |
USA, AISI/SAE/ASTM | ISO | ||
9254 | 55SiCr63 |
Chemical Composition:
C | Si | Mn | S |
0.52~0.60 | 1.5~2.00 | 0.60~0.90 | ≤0.035 |
P | Cr | Ni | Cu |
≤0.035 | ≤0.35 | ≤0.35 | ≤0.25 |
Mechanical Properties:
-Tensile Strength σb (MPa): ≥1274(130)
-Yield Strength σs (MPa): ≥1176(120)
-Elongation δ10(%): ≥6
-Percentage reduction of area: ψ (%): ≥30
-Hardness:
1, Hot rolled, ≤302HB
2, Cold drawn + Heat treatment: ≤321HB
-Norm of heat treatment: quenching 870℃±20℃
-Micro structure: Tempered troostite.
Usage/Applications of Hot Rolled Spring Steel Bar 60Si2CrA with High Quality for Construction:
-Compared with Si-Mn spring steel under the similar condition of plasticity, 60Si2CrA have higher tensile strength, yield strength and hardenability.
-60Si2CrA is applied for producing springs with working temperature below 300~500℃. This type of spring can bear high stress, for example, governor spring, turbine steam seal spring, etc…
Packaging & Delivery of Hot Rolled Spring Steel Bar 60Si2CrA with High Quality for Construction:
-Packing Detail:
1, The products can be packed in bundles by steel wires.
2, The weight of each bundle no exceed normally 3 tons
-Marks: there are two types of marks. One is tag mark, for showing customers the specifications of products, company name and logo and other information required by customers. Other one is color marks. They are used to make the products more evident so that it’s easy for customers to distinguish them from other products at destination port.
-Delivery Detail: 30~45 working days after receive buyer’s T.T. or L/C.
Transportation:
-The products can be delivered by bulk vessel or by container. As for container, products with the length of 6m will be loaded in 20’ container, with 9m or 12m, in 40’ container.
-The maximum quantity of loading of container is 25 tons.
-The products are usually transported to the nearest port from the production place.
Payment:
-Invoicing on theoretical weight or actual weight as customer’s request.
-FOB, CFR or CIF.
-Terms of payment: T.T. or L/C at sight.
FAQ:
Q1: How soon can we receive the product after purchase?
A1: 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.
Q2: What makes stainless steel stainless?
A2: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
Q3: Can stainless steel rust?
A3: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.
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- Q: What are the applications of special steel in the railway industry?
- Special steel has a wide range of applications in the railway industry. It is commonly used in the manufacturing of rails, which need to be durable and able to withstand heavy loads and constant wear and tear. Special steel is also used in the construction of railway bridges and tunnels, as it offers high strength and resistance to corrosion. Additionally, special steel is used in the production of various railway components such as wheels, axles, and couplers, ensuring safety and reliability in train operation.
- Q: How does special steel perform in abrasive environments?
- Special steel performs exceptionally well in abrasive environments due to its high hardness, superior resistance to wear and tear, and excellent corrosion resistance. It is specifically designed to withstand the harsh conditions of abrasive environments, such as those with sand, gravel, or other abrasive particles. The unique composition and properties of special steel enable it to maintain its integrity and durability even when exposed to extreme abrasion, making it an ideal choice for applications in industries like mining, construction, and manufacturing.
- Q: What are the applications of special steel in the nuclear supply chain?
- Special steel has numerous applications in the nuclear supply chain. It is used in the construction of nuclear reactors, where it provides the necessary strength and resistance to extreme temperatures and pressures. Special steel is also utilized in the manufacturing of fuel rods, containment vessels, and other critical components that require high durability and corrosion resistance. Additionally, special steel is employed in the production of storage containers for nuclear waste and in the construction of transportation casks for the safe transport of radioactive materials.
- Q: How does special steel compare to other materials, such as aluminum or titanium?
- Special steel is known for its exceptional strength, durability, and versatility, making it a preferred choice in various industries. When compared to other materials like aluminum or titanium, special steel often offers superior mechanical properties, including higher tensile strength, hardness, and wear resistance. It also generally has better thermal conductivity and is more resistant to corrosion. However, aluminum and titanium have their own advantages, such as being lighter in weight and having better overall corrosion resistance. Ultimately, the choice between special steel, aluminum, or titanium depends on the specific application, considering factors like strength requirements, weight limitations, cost-effectiveness, and environmental conditions.
- Q: How is wear-resistant steel used in mining and earthmoving equipment?
- Wear-resistant steel is used in mining and earthmoving equipment to enhance their durability and longevity in harsh operating conditions. It is utilized to manufacture various components such as buckets, blades, cutting edges, and wear plates that are constantly subjected to abrasion, impact, and high stress. These steel parts ensure the equipment can withstand the abrasive nature of rocks, minerals, and other materials encountered during mining and earthmoving operations, reducing maintenance needs and increasing productivity.
- Q: What are the different surface finishing techniques for special steel parts?
- There are several surface finishing techniques for special steel parts, including electroplating, powder coating, painting, polishing, and passivation. Each technique offers unique benefits and can be chosen based on the desired appearance, corrosion resistance, durability, and functionality of the steel parts.
- Q: Can special steel be used in the textile manufacturing industry?
- Yes, special steel can be used in the textile manufacturing industry. It is commonly used in the production of textile machinery, such as knitting machines, looms, and sewing machines, due to its durability, strength, and resistance to wear and tear. Additionally, special steel can be used in the production of textile accessories, like needles and pins, to ensure precision and longevity.
- Q: What are the different methods of testing the mechanical properties of special steel?
- Special steel can be tested for its mechanical properties using several methods. These methods aim to determine characteristics such as strength, hardness, ductility, and more. Some commonly used methods include: 1. Tensile Testing: The tensile strength of steel is determined using this method. A sample is subjected to an increasing tensile force until it breaks. The force and elongation measurements are then used to calculate properties like ultimate tensile strength, yield strength, and elongation. 2. Hardness Testing: This method measures the steel's resistance to indentation or scratching. Popular hardness tests include Rockwell, Brinell, and Vickers hardness tests. They provide information about the steel's ability to withstand deformation, wear, or penetration. 3. Impact Testing: This method assesses the steel's ability to absorb energy during sudden impact or shock loading. The impact toughness of steel is often measured using tests like Charpy and Izod. These tests involve striking a notched sample with a pendulum and measuring the energy absorbed during fracture. 4. Bend Testing: This method evaluates the steel's ductility and flexibility. A sample is bent to a specific angle or radius until it fractures. The bend test helps determine the steel's ability to endure bending or forming processes without failure. 5. Fatigue Testing: This method examines the steel's resistance to repeated cyclic loading. Fatigue tests involve subjecting a sample to varying levels of stress for a specified number of cycles until it fails. This helps determine the steel's endurance limit and fatigue strength. 6. Microhardness Testing: This technique measures the hardness of small localized areas on the steel's surface. It is useful for evaluating surface treatments, case hardening, and the effects of heat treatment. 7. Non-Destructive Testing (NDT): These methods allow for testing without causing damage to the steel. Common NDT techniques include ultrasonic testing, magnetic particle testing, eddy current testing, and radiographic testing. NDT methods are used to detect internal defects, cracks, or discontinuities that may affect the steel's mechanical properties. These different testing methods provide valuable information about the mechanical properties of special steel. They assist in quality control, material selection, and ensuring that the steel meets required standards and specifications.
- Q: What are the applications of special steel in the manufacturing industry?
- Special steel has a wide range of applications in the manufacturing industry, including the production of machinery, tools, and equipment. It is commonly used in automotive manufacturing, aerospace engineering, and construction projects. Special steel's high strength, durability, and resistance to corrosion make it suitable for critical components requiring reliability and longevity. Additionally, its ability to withstand extreme temperatures and pressure makes it an ideal material for manufacturing specialized parts in various industries.
- Q: What are the challenges in heat treatment of special steel?
- Some challenges in the heat treatment of special steel include achieving the desired hardness and strength without compromising other properties, such as toughness and corrosion resistance. Special steels often have complex compositions, which can make it difficult to accurately control the heat treatment process. Additionally, heat treatment of special steel can be time-consuming and costly due to the need for precise temperature and time control, as well as the potential for distortion or cracking during the heat treatment process.
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Hot Rolled Spring Steel Bar 60Si2CrA with High Quality for Construction
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25000 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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