Q345B High Quality Steel Square Bar

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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:

square steel billet 
1.3SP, 5SP 
2.terms of payment: L/C at sight 
3.size: 120*120mm 
4.length: 5.8~12m

square steel billet
Specifications

square steel billets 
1)We procure world class quality steel billets which meets the specific requirements of the clients
The Billets produced by the company can be broadly divided into three main types i.e.
M.S. Billets
CRS Billets
Special Alloy Billets
M.S. Billets are used for rolling of TMT Re-Bars of Fe415 and Fe500 Grade and various other structural steel products.
CRS Billets are used fro rolling of CRS TMT Re-Bars.
Special Alloy Billets are used for rolling of any special grade TMT Re-Bars like Earthquake resistant TMT Re-Bars and for special grade structural steel products.
The following are the sizes of Billets available with Shyam Steel Industries Ltd.:
100 X 100
120x120
150 X 150
Physical Properties:
Description
As per IS 2830
Shyam Billets
Bend (max.) 5 mm per meter >= 5 mm per meter
Carbon (max.) 3mm per meter >= 3 mm per meter
Length 3 mt - 13 mt 3 mt - 9 mt
Chemical Properties:
Ladle Analysis:
Designation
Carbon
Manganese
C15 0.12-0.18 0.30-0.60
C18 0.15-0.21 0.30-0.60
C20 0.17-0.23 0.30-0.60
C15 MMn 0.12-0.18 0.60-1.00
C18 MMn 0.15-0.21 0.60-1.00
C20 MMn 0.17-0.23 0.60-1.00
C15 HMn 0.12-0.18 1.00-1.50
C18 HMn 0.15-0.21 1.00-1.50
C20 HMn
0.17-0.23 1.00-1.50
Billets of different designations are manufactured in three different grades namely A, B, C having sulphur, phosphorous content (on ladle analysis) and carbon equivalent as follows:
Chemical Analysis:
Grade Sulphur Phosphorous Carbon Equivalent (CE)1
 Max Max Max
A 0.05 0.05 0.42
B 0.045 0.045 0.41
C 0.04 0.04 0.39 

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Q:The difference between staircase truss square steel tube and angle steel
Square steel tube and steel materials are the same, the shape is not the same, the steel is generally square, as the basic structure of escalator truss, angle is generally 90 degrees or other special angle as connections;
Q:Building height is 5m, the main dry hanging stone square spacing value should be how much better?
Really not assured, spend some money to let people count, but as long as there is no special structure or shape, then you do not have to spend the wrong money.
Q:4*4 steel welding frame tank do strong?
Electronic tube bracket fixed on a shelf, and then put the top shelf in the aquarium, pay attention to water, heat, can be a good solution, the lamp holder can buy ready-made, bought a switch, wires, plugs, insulating tape back to assemble their own good is.
Q:How to hollow square steel welding
Welding welding of thin-walled square steel, should be very careful when welding, arc welding technique should be used to pick, watch live pool, found that the weld pool collapsing must be timely arc.
Q:What is the hot dip galvanized steel, production process?
Simply speakingWorkpiece: alkaline degreasing, water cleaning, acid cleaning, rust removing, water cleaning, plating aid, solvent drying, hot galvanizing, water cooling, test
Q:Building with steel or steel plate?
It is recommended to use channel No. 12, and the span of three meters is not big, so the problem of vibration will not occur! Square steel tubes are not recommended for load-bearing structures. I'm from the steel installation department.It is suggested that the upper channel, the red plate, and the wood. It's more comfortable to use.
Q:How to ensure the steel paint off paint
Ensure the paint off square paint method:1, the steel brush must do the clean work before painting, there is no guarantee the steel rust or grease, the steel surface cleaning is the basis to ensure the paint off.2, must use special metal paint finishing of polyester type steel, to ensure no paint brush.3, paint to ensure that the film extended evenly.
Q:The moment 2mm thick galvanized square steel tube using what welding methods
Galvanized square tube adopts gas shielded welding, conventional J50 gas shielded welding wireArgon arc welding galvanized square pipe, zinc burning more severe, not recommended
Q:The difference between the steel chrome and paint
Room heating drying paint process. The utility model has the advantages of bright color, strong visual impact, good surface finish, easy cleaning, moisture resistance and good fire prevention performance. And spray paint isJust spray it directly and let him do it naturally. This is called spray painting. How to identify paint or paint it, let us introduce.
Q:Twist steel (twisting steel) there is no standard?
Lattice steel plate steel bar is also called twist, the steel twisted shape, so only when the square size annotation annotation, common general specifications for 8*8mm, 6*6mm, 5*5mm, in the standard steel plate, the bar is defined as fixed on the bearing flat steel, round steel, square steel twisted or flat, that is say, don't necessarily use twisted steel (steel twist) but hot dip galvanized steel grid plate used in the steel industry used torsion, stainless steel using round steel, and make use of flat bar made of steel plate. We called steel grid plate or pressure locking steel plate, steel plate of GB also do this cross sectional area:: twisted steel, round steel bar with flat steel, its cross-sectional area of not less than 20 mm.

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