Supply Steel Flat; Flat Steel Bars with High Quality

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
3000 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

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 Spring Steel:

-Material: 70Si2CrA

-Production: Hot rolled or cold rolled

-Standard: GB/T·5218-1999

-Type: Spring Steel

-Alloy or no: Alloy

Mechanical Properties:

-Annealing Condition:

1, Tensile Strength: σb/MPa:≤835

2, Elongation: δ/%:≥8

-Quencher condition:

1, Tensile strength: σb/MPa:785~1175

2, Elongation: -

 

Usage/Applications of Spring Steel:

For manufacturing all kinds of flat spring or round spring with small sections, clockwork spring,

 

Packaging & Delivery of 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)


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.

 

 Supply Steel Flat; Flat Steel Bars with High Quality

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Q:Galvanized steel flat welding occurs after the material itself crack.
Reheat cracking: when welding in the heat affected zone near the fusion County Office is heated to 1200 DEG C, the heat affected zone of grain boundary of vanadium and molybdenum and titanium carbide in austenite when welding; postweld heat treatment of re heating, the heating temperature in the range of 500 degrees to 700 degrees Celsius in the welding, there is a big the welding residual stress in the joints, stress exceeds the plastic heat affected zone near the fusion line of the metal, will produce crack;
Q:80 * 80 * 4 galvanized flat steel is what specifications?
Galvanized square is a hot-rolled or cold-rolled galvanized steel or galvanized sheet for the blank shape by the cold bending process after section steel pipe welded square hollow square cross-section shape and size of the high-frequency; or the cold hollow steel well in advance of the re galvanized square by galvanizing processing of pipe.
Q:How to connect the base of the tower crane and the flat steel? How can it be welded and connected?
How to connect the base of the tower crane and the flat steel?:It can be punched on a flat iron and connected by screws and multiple copper wires
Q:What is flat steel for?
Forged flat steel is a forged strip of steel with a rectangular cross section. Forging injustice can get certain shape and size and forgings, casting microstructure of the steel is remarkably improved, increase the density of steel; can change the distribution of the fiber structure, clear anisotropy, improve the mechanical properties of the metal, so that the strength and toughness of steel are improved; and it can be used to process the plastic lower high Shuogang and high alloy steel. Forged flat steel is mainly made of high quality alloy steel, mainly used as springs, tools and important mechanical parts. The specification for wrought flat steel is expressed in millimeters of thickness * width. The specification is 20mm*40mm~160mm*300mm.
Q:The technological process of flat steel
The working principle of precision steel production process of flat steel finishing machine is cold flat bad hair with two sets of upper and lower staggered leveling wheel thickness pre leveling and final leveling; with a pair of oppositely disposed finishing wheel in the width direction of extrusion, the width is compressed and reaches the expected parameters and the amount of compression can be adjusted; with 5 aspects of straightening straightening wheel arrangement of the staggered width. This system is mainly composed of a control box, finishing roller, pre leveling unit, finishing unit, straightening unit.
Q:What is the surface area of flat steel 100*3 meters per metre?
2X (0.1x1+0.003x1+0.1x0.003) =0.2066 with a surface area of 0.2066 square meters.Flat, refers to the width 12-300mm, thickness 4-60mm, cross section is rectangular in shape and with a blunt edge of steel.
Q:Is medium plate steel flat?
Flat, refers to the width 12-300mm, thickness 4-60mm, cross section is rectangular in shape and with a blunt edge of steel. Flat steel can be finished steel, or can be used as the blank of welded pipe and thin slab for laminated sheet rolling. Main application: flat steel is used as a material, used for making iron, tools and machinery parts, and used as frame structures and escalators for buildings.
Q:Why do some buildings need a steel bar around the top?
Galvanized round steel refers to the cross section of round solid steel. The specifications are expressed in millimeters of diameter, such as 50, which means a round bar of 50 millimeters in diameter. Round steel is not the same as other steel bars. Round steel is round in shape and has no ribs and no ribs, which makes the bonding strength between round bar and concrete very small.
Q:-40x4 hot galvanized flat steel, a water 1m, what do you mean?
The protective layer to protect the housing outside the gutter and rain water is the life of the building apron. The water is hot galvanized flat steel by this protective layer 1 meters. Hope to be of help to you!
Q:The function of ground lead out galvanized flat steel
1, galvanized flat steel, refers to the width 12-300mm, thickness 4-60mm, cross section is rectangular and with pure edge of galvanized steel. Galvanized flat steel can be finished steel, also can be galvanized pipe blank and galvanized belt.2. Main uses: galvanized flat steel used as a useful material, can be used to make iron, tools and machinery parts, building for housing, structural parts, escalators.

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