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.
Images:
- Q:How does special steel contribute to reducing product maintenance requirements?
- Special steel contributes to reducing product maintenance requirements by offering superior strength, durability, and resistance to corrosion and wear. This means that products made with special steel are less likely to break, degrade, or require frequent repairs or replacements. Its high-quality properties enable longer product lifespans and enhanced performance, ultimately minimizing maintenance efforts and costs for users.
- Q:What are the different heat treatment processes for special steel?
- Some of the different heat treatment processes for special steel include annealing, quenching and tempering, hardening, case hardening, and precipitation hardening.
- Q:How does nitriding steel improve hardness and wear resistance?
- Nitriding steel improves hardness and wear resistance by introducing nitrogen into the steel's surface through a heat treatment process. This forms nitrides, which are hard compounds that increase the material's surface hardness. Additionally, the nitrogen atoms create compressive stresses within the structure, enhancing the material's resistance to wear and fatigue.
- Q:How does special steel contribute to the automotive fuel efficiency?
- Special steel contributes to automotive fuel efficiency in several ways. Firstly, special steel is lighter and stronger than traditional steel, allowing for the use of thinner and lighter components in the vehicle's structure. This reduces the overall weight of the vehicle, which in turn reduces the amount of fuel needed to propel it. Additionally, special steel can be used to create more aerodynamic designs, reducing air resistance and improving the vehicle's fuel efficiency. Furthermore, special steel can be used in the manufacturing of high-efficiency engines, improving their performance and reducing fuel consumption. Overall, the use of special steel in the automotive industry helps to create lighter, more aerodynamic, and more fuel-efficient vehicles.
- Q:What is the impact strength of special steel?
- The impact strength of special steel is high, making it resistant to fractures or breaking under high impact or sudden forces.
- Q:What are the different types of coatings for special steel?
- There are several types of coatings that can be applied to special steel to enhance its performance and protect it from various environmental factors. Some of the common types of coatings for special steel include: 1. Zinc-based coatings: These coatings, such as galvanized steel, provide excellent corrosion resistance. The zinc layer acts as a sacrificial barrier, protecting the underlying steel from rusting. 2. Epoxy coatings: Epoxy coatings are highly resistant to chemicals, moisture, and abrasion. They are often used in industries where the steel is exposed to harsh conditions or corrosive substances. 3. Powder coatings: Powder coatings offer a durable and attractive finish to special steel. They are applied as a dry powder and then cured under heat, forming a hard, protective layer that is resistant to chipping, fading, and corrosion. 4. Ceramic coatings: Ceramic coatings are known for their high-temperature resistance and excellent thermal insulation properties. They are often used in applications where the steel is exposed to extreme heat or rapid temperature changes. 5. Organic coatings: Organic coatings, such as acrylics and polyurethanes, provide a protective barrier against moisture, UV radiation, and chemicals. They are commonly used in outdoor applications, such as architectural structures or automotive parts. 6. Phosphate coatings: Phosphate coatings are primarily used as a pre-treatment before applying other coatings or paints. They improve adhesion and corrosion resistance of subsequent layers, providing a more durable finish. 7. Polymer coatings: Polymer coatings offer excellent resistance to abrasion, impact, and chemicals. They are commonly used in industrial settings where steel is subject to heavy wear and tear. It is important to select the appropriate type of coating based on the specific requirements of the special steel and the environment it will be exposed to. Each coating type has its own set of advantages and limitations, so a thorough analysis should be conducted to determine the most suitable option.
- Q:Can special steel be used in cryogenic applications?
- Yes, special steel can be used in cryogenic applications. Special steels, such as austenitic stainless steels like 304 or 316, are commonly used in cryogenic applications due to their excellent mechanical properties and resistance to low temperatures. These steels are able to maintain their strength, toughness, and ductility even at extremely low temperatures, making them suitable for use in cryogenic environments. Additionally, special steels can also exhibit good resistance to corrosion and thermal expansion, which are important factors to consider in cryogenic applications. Overall, special steel alloys are well-suited for use in cryogenic applications due to their unique combination of properties that enable them to withstand and perform in extremely cold conditions.
- Q:What are the different types of alloy steel?
- There are several different types of alloy steel, including stainless steel, tool steel, maraging steel, high-strength low-alloy steel (HSLA), and nickel-based alloy steel.
- Q:What are the different methods for shot peening special steel?
- There are several methods for shot peening special steel, including air blast peening, wheel blast peening, and centrifugal peening. Air blast peening involves directing a stream of shot particles onto the surface using compressed air, while wheel blast peening uses a rotating wheel to propel the shot particles. Centrifugal peening utilizes a spinning wheel to throw the shot particles onto the steel surface. Each method has its own advantages and is used based on the specific requirements of the steel and the desired outcome of the shot peening process.
- Q:How is corrosion-resistant steel different from regular steel?
- Corrosion-resistant steel, also known as stainless steel, differs from regular steel primarily due to the presence of chromium. Regular steel is prone to rust and corrosion when exposed to moisture and oxygen, while corrosion-resistant steel contains a minimum of 10.5% chromium, which forms a protective layer on its surface, preventing rust and corrosion. This additional element makes corrosion-resistant steel highly durable, long-lasting, and suitable for various applications where exposure to moisture or corrosive environments is a concern.
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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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