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:

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

Q235B steel flat for construction with good

Q235B steel flat for construction with good

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Q:Is the laying of a 40X4 flat steel for fire fighting metal trunking?
Without laying, the cable bridge, each section of the joint, there is a copper wire to prepare flat belt connected, it is bridge grounding jumper cable.
Q:How to grounding lightning protection grounding?
In the cupboard and a MEB box, distribution box shall be the total PE bus, building low voltage power distribution cabinet. The 2 main vertical bars in the column are used for grounding on the line when the potential is grounded, and then the hot galvanized flat steel is led to each LEB terminal box with 40*4. In the elevator shaft from the elevator pit 0.2 meters, and the elevator shaft end below each embedded 100*100*8 hot galvanized flat steel piece, flat steel and column 2 as the main vertical grounding line and welding.
Q:Do I need to make the ring galvanized flat steel ground connection between the electric well and the distribution room?
There is also a dark, in the foundation of the house to consider the distribution of indoor total potential imbalance, in the basic reinforcement welding has been laid. Later, when installing the equipment, just connect in place
Q:Where is the use of flat steel in electrical use?
Flat steel is used for earthing and galvanized. Mainly used for grounding and grounding to objects (such as the need to join line equipment ground and grounding, lightning arrester and grounding) and grounding connection between the neutral line and the center point, connected with the neutral line
Q:Construction of lightning protection ground galvanized flat steel approach, need to retest test? What's the test?
Hot rolled flat steel is a general purpose rectangular cross section strip. Its specifications are expressed in millimeters of thickness / width, flat steel can be finished steel, used for components, ladders, bridges and fences, etc.. Flat steel can also be used to weld rigid steel and billets and slabs of laminated sheets. This standard is applicable to hot-rolled flat steel with rectangular cross section. Measurement: flat length and length of flat steel, according to the theoretical weight of delivery.
Q:What is the difference between steel band and steel ring? The steel strip is flat steel and the steel ring is made of steel. Am I right?
Steel rolls are also called steel belts. There is no difference between them. They are not flat steel
Q:Between the MEB and the power distribution cabinet with wire with the flat and why
Even if there is no condition to make the ring flat steel belt, the ground terminal box is usually reserved for the access pipe. If multiple power line is recommended to see 500 2.7. central area substation, but also set the MEB based, attracted special line, and the reinforced layer access line; flat steel (copper) can save you, ha ha
Q:The steel, steel and flat steel, round steel bar and what is the difference?
There is not much difference between round bar and steel bar, but the diameter range should be different. Can you hold it with hand?Inside the details of the difference, you can go to the tool book to see.
Q:80 * 80 * 4 galvanized flat steel is what specifications?
Galvanized square pipe.Specification: 80 * 80 * 4 is the dimension of galvanized square pipe. That is to say, the length and width of the inner diameter of the nozzle are 80mm, and the thickness of the tube wall is 4mm.
Q:What is the thickness deviation of 40*4 galvanized flat steel?
40 is the width of the section steel, 4 is the thickness of the steel, and the unit is mm.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.

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