Q235B steel flat for construction with good

Q235B steel flat for construction with good System 1

Q235B steel flat for construction with good System 2

Q235B steel flat for construction with good

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Product Description:

Spring Steel can be divided into two types. One is carbon spring steel, and other one is alloy spring steel.

Alloy spring steel is based on carbon spring steel, by adding one or more alloying elements to improve the mechanical properties, hardenability and other properties to meet the requirement for manufacturing all kinds of spring steel.

Specification of Flat Spring Steel:

-Material: 55Si2Mn

-Production: Hot rolled or cold rolled

-Standard: GB/T 1222-1984

-Type: Spring Steel

-Alloy or no: Alloy

Chemical Composition:

C	Si	Mn	S
0.52~0.6	1.500~2.00	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

Usage/Applications of Flat Spring Steel:

-Elements Si and Mn improve elasticity strength, hardenability, and the ratio of yield point and tensile strength. but the decarburization tendency is a little large,

-55Si2Mn Spring Steel can be used as vibration damper leaf spring and spiral spring of cars and tractors.

-Heat-resisting spring below 250 degrees.

Packaging & Delivery of Flat Spring Steel:

-Packing Detail: The products can be packed in bundles by steel wires.

-Marks:

1, Tag marks: the tag marks will be tied up to each bundle of the products. The information is usually including supplier’s logo and name, product name, made in China, products’ specifications, the painted color and other information requested by customers.

2, Color marks: we will paint both ends of the bundles of these products to make sure that they are more evident. It’s will be more convenient for the customers to distinguish them at the destination port.

-Delivery Detail:

1, Delivery time: 30~45 working days after receive buyer’s T.T. or L/C.

2, Delivery status should be written in the contract. (Heat treatment or no)

Payment:

-Invoicing on theoretical weight or actual weight as customer’s request.

-FOB, CFR or CIF.

-Regular terms of payment:

1, 30% payment in advance, the remaining balance (70% payment) against the copy of B/L. 100% payment before shipment.

2, 30% payment in advance, the remaining balance (70% L/C) against the copy of B/L. 100% payment before shipment.

3, Negotiable.

Q235B steel flat for construction with good

Q:Can steel flat bars be welded?: Certainly, it is possible to weld steel flat bars. Welding serves as a prevalent and extensively employed technique for connecting or restoring steel materials, which encompasses flat bars. The procedure entails heating the steel until it reaches its melting point and subsequently melding the two sections with the aid of a welding electrode or filler material. The resultant weld forms a robust and long-lasting bond, rendering it suitable for an array of applications within the construction, manufacturing, and other industries where steel flat bars are frequently utilized. Nonetheless, adherence to appropriate welding protocols and methodologies is crucial to guarantee a prosperous weld that possesses structural integrity.

Q:Can steel flat bars be used in the construction of industrial structures?: Yes, steel flat bars can be used in the construction of industrial structures. Steel flat bars are versatile and strong, making them suitable for a wide range of applications in industrial construction. They are commonly used in the construction of beams, columns, frames, and supports. Steel flat bars offer excellent structural integrity and are able to withstand heavy loads and high-stress conditions. Additionally, they are durable, corrosion-resistant, and require minimal maintenance. The versatility and strength of steel flat bars make them an ideal choice for the construction of industrial structures.

Q:How do steel flat bars perform in terms of UV resistance?: Steel flat bars do not have good UV resistance.

Q:Are steel flat bars resistant to heat?: The resistance to heat in steel flat bars is typically good. The level of resistance depends on the specific type of steel and its composition. To measure heat resistance, one often examines a material's ability to maintain its strength and structural integrity at higher temperatures. Steel is renowned for its high melting point, which reduces the likelihood of deformation or structural failure when exposed to heat. However, it is important to acknowledge that extreme temperatures, like those found in furnaces or through prolonged exposure to high heat, can still cause some thermal expansion or weakening of the steel. Hence, when assessing the appropriateness of steel flat bars for a heat-related purpose, it is crucial to consider the specific application and potential temperature extremes.

Q:How do you protect steel flat bars from UV radiation or sun damage?: There are several ways to protect steel flat bars from UV radiation or sun damage. Firstly, one can apply a protective coating to the surface of the bars. A high-quality paint formulated for outdoor use, with UV-resistant properties, is a common option. This will prevent fading or discoloration of the bars. Another effective method is to use a clear sealant or varnish with UV inhibitors. These products create a barrier on the steel's surface, blocking UV radiation and reducing the risk of sun damage. It is important to choose a sealant designed for metal surfaces to ensure maximum effectiveness. In addition to these measures, regular cleaning and maintenance of the steel bars is vital. This involves removing any dirt, dust, or debris that can intensify UV damage. Regular inspections should also be conducted to identify signs of corrosion or deterioration, as these weaken the steel and make it more susceptible to UV damage. Lastly, if the steel bars are exposed to direct sunlight for extended periods, providing shade or cover is recommended. Awnings, canopies, or other protective structures can be used to block or diffuse sunlight, reducing the intensity of UV exposure. By implementing these protective measures, the steel flat bars can be safeguarded against UV radiation and sun damage, preserving their longevity and structural integrity.

Q:How do you prevent corrosion on steel flat bars in humid environments?: One effective way to prevent corrosion on steel flat bars in humid environments is by applying a protective coating, such as paint or a corrosion-resistant barrier. This coating acts as a barrier, preventing moisture and oxygen from coming into direct contact with the steel surface. Additionally, regular cleaning and drying of the flat bars can help remove any accumulated moisture, reducing the likelihood of corrosion.

Q:Can steel flat bars be used in outdoor applications?: Yes, steel flat bars can be used in outdoor applications. Steel is a highly durable and weather-resistant material, making it suitable for various outdoor environments. Steel flat bars are commonly used in construction, landscaping, and outdoor furniture manufacturing. They can withstand exposure to moisture, sunlight, and extreme temperatures, making them ideal for outdoor applications. Additionally, steel can be treated or coated to provide additional protection against corrosion, further enhancing its longevity when used outdoors.

Q:Are galvanized flat steel and angle steel the same price?: This is not to say that depends on how you choose, simply said the product itself is good a bit different, if you choose the amount of zinc is not the same, the price will be different. If there is anything you need for this piece of steel, you can call on me. I am in Tianjin, Tangshan, a generation of steel business.

Q:Lightning protection grounding, what is called three surface welding?: The grounding position of the grounding body shall not be less than 3m; when the ground is embedded in the garbage or ash, it should be changed and compacted.The grounding body (line) shall be connected by welding, the welding seam should be full and adequate mechanical strength, no slag, undercut, crack, weld, welding defects such as pores, knocking the net after a drug paper, brush asphalt anticorrosive processing.

Q:Does the cable trench need grounding?: The cable trench needs grounding.

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