you need
  • - length calculation;
  • - width calculation;
  • - choice of category;
  • - calculation of the weight.
Hot rolled steel channels are of two types - special and general purpose with a height of 50 to 400 mm.The width of the shelves can be from 32 to 115 mm.If you plan to do beam ceilings to install floor or ceiling, try to trim the width of the channel bar shelves, depending on the width of the beam mounted with straight parallel edges.
sill length should correspond to the length of the overlapping openings.Add to the calculated number of 70 cm on each side of the division.To install the secondary beams will approach channel made a
ccording to GOST 8240-8 marks 16A, for the extreme beams - 14A.Precision Rolling must comply with group B - is a high-precision metal.A refers to the high-precision rolling in - the usual precision.
Channel made of low-alloy steel, is designed to build lightweight structures.Manufactured in accordance with GOST 11474-76 in the roll forming machine with a rounded outside corner.To install this type of bearing structures of rolled metal is not suitable.
For the automotive industry, choose a channel, made to GOST 19425-74 at 20 or 18C.Metal has a C-shape and is widely used for automotive frames.
If you buy a channel for railcar, select 8, 14 or 18V, manufactured in accordance with GOST 5267.1-90.This is a special kind of metal, which is made for the construction of wagons.
To calculate the required number of channels, use a metal calculator.Enter the required settings in the appropriate fields, move the cursor to the column "Calculate."You will receive the exact amount that you need to buy.But in any case the purchase is made with a small margin, you do not have to once again pay for shipping.