Flat Bars Hot Rolled Perforated (Hot Galvanized) Hot Dipped

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
29 m.t.
Supply Capability:
24000 m.t./month

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Packaging & Delivery

Packaging Detail:within 10 days after receipt of deposit
Delivery Detail:In bundles, load in containers

Specifications

Hot dipped galvanized steel flat, galvanized steel flat bar 
1.High quality 
2. seafreight package 
3.Lead time 
4.MTC

 

Product Description

Hot dipped galvanized steel flat, galvanized steel flat bar 

SPECIFICATIONS (MM)


HOT ROLLED FLAT BAR

1. STANDARD: GB704-1988

2. GRADE: Q195,Q215,Q235 Q345,ST-37,ST-53,S275JR.S355JR,SS400

3. THICKNESS: 8-30MM

4. WIDTH: 40-120MM

5. LENGTH: 6M/5.8M/3M/2M  OR ACCORDING TO CUSTOMER'S REQUEST


STAINLESS FLAT BAR

 

 

1. GRADE: 201/202/ 201/201/301/304/304L/316/316l/317/310/

                   310S/309/309S /321/410/410S/420/430/439/416

2. TECHNIC: THICKNESS ABOVE 10MM IS FOR HOT ROLLED STAINLESS FLATE BA,

                       THICKNESS BELOW 10MM IS FOR COLD DRAWN STAINLESS FALAT BAR 

4. WIDTH: 10-1000MM

5. LENGTH: 5.8M,6M ORACCORDING TO CUSTOMER'S REQUEST

ALLOY STEEL FLAT BAR PRICE PER TON 

 

1. GRADE: 40Cr,42CrMo,40Mn,20CrMo,30CrMo,35CrMo,65Mn,60SiMnA,60CrMoA

                   50CCrVA

2. TECHNIC: HOT ROLLED ALLOY STEEL FLATE BA,

                       COLD DRAWN ALLOY STEEL FALAT BAR 

4. WIDTH: 10-1000MM

5. LENGTH: 5.8M,6M ORACCORDING TO CUSTOMER'S REQUEST

SLITED FLAT BAR

1. STANDARD: GB704-1988

2. GRADE: Q195,Q215,Q235 Q345,ST-37,ST-53,S275JR.S355JR,SS400 

3. THICKNESS: 1.5-30MM

4. WIDTH: 10-1000MM

5. LENGTH: 2M/3M/5.8M,6M ORACCORDING TO CUSTOMER'S REQUEST


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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:Does the cable trench need grounding?
Cable trench grounding practices: ground pile using hot galvanized steel angle (50X5X2500), every 20 meters to hit a root. The pile top is 0.6 meters away from the ground, and the ground wire is made of galvanized steel flat bar (40X4). Cable grounding wire and cable groove on both sides of the main frame by welding, every 20 meters will ground wire leads and grounding pile welding, while the grounding cable trench on both sides of the ditch bottom connection, grounding wire used for 10 hot dip galvanized steel. All grounding devices need to be welded firmly at the joint, and the welding place is treated with asphalt.
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 difference between 60X6 and 50X4 flat steel in grounding?
The contact resistance varies with the return current.
Q:Can roof strip be replaced with steel pipe instead of flat steel and round steel? Are there any examples of practical use?
The steel tube seems to be used only as a lightning rod and must be galvanized steel pipe. As for lightning belts... How expensive ah, it does not say, galvanized steel tube bending with large area, not fixed, and each tube about 2m, every 2m connection also can not afford ah. Feel even if there is excess steel pipe, it is better to buy round steel to cost-effective.
Q:How to grounding lightning protection grounding?
The grounding electrode is welded with each other through the pile, the cap and the main reinforcement in the floor plate. Earthing wire using 40*4 hot galvanized flat steel ring for laying foundation along the outer ring, reliable welding and the cap in two main bars, forming a loop net grounding body - the use of pile reinforcement (not less than 2) and the bottom of the pile cap welding reinforcement, pile cap and bottom ribs are welded and the gluten, however after the cap and the gluten and gluten grounding flat floor welding, grounding flat steel for the entire welding pass, all welding length must be greater than 6D. The grounding resistance of the combined earthing device is no more than 1 ohms.
Q:Please: hot galvanized flat steel and copper clad steel ground!
Compared with galvanized flat steel and other grounding materials, copper clad steel ground wire features: 1, corrosion resistance is better: no residual inside the bimetal, better corrosion resistance. The horizontal continuous casting process adopts high temperature melting, and the residue is calcined to overflow the copper surface, and can not be left in the copper clad steel conductor, so the corrosion phenomenon can not occur inside. 2 、 better electrical performance: the surface of oxygen free copper, good conductivity, the inner layer of high-quality carbon steel, skin effect principle, conductive, magnetic characteristics are excellent. The resistance is much lower than conventional materials such as steel, galvanized steel, etc. the surface layer is oxygen free copper.
Q:Can lightning protection earthing steel bar be directly welded with thread steel?
Yes, but the length of the weld must be greater than or equal to 6 times the length of the steel bar, double sided welding. If one side welds, double the length of the weld. Otherwise, lightning acceptance is not up to standard.
Q:The function of ground lead out galvanized flat steel
Use and test, debug, you must use lead line.In accordance with the D501 specification, its cross section is not less than 4*40
Q:The distinction between flat steel and steel strip
Cyanide is a chemical heat treatment, before the process is highly toxic, serious environmental pollution, the latest process can meet the requirements of environmental regulations, and if not necessary, the use of nitrogen treatment or carbonitriding better.

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