Almost everyone who builds a house, faced with the need to purchase products from metal rolling – fittings, angles, channels, corrugated, etc. What primarily makes the person taking the decision to buy a particular product? He looks in the price, which saw some cryptic abbreviations. Let's see what they mean.
Let's say we want to buy corrugated roofing roof. Take a typical price steel center.
- PROFESSIONAL FLOORING 0.7 * 910 * 5500 H60
- PROFESSIONAL FLOORING 0.7 * 1047 * 2500 NS44
- PROFESSIONAL FLOORING 0.7 * 1047 * 3200 H44
- PROFESSIONAL FLOORING 0.7 * 1175 * 6000 C9
If the figures, logically, everything is clear (for example, the first line: 0,7 – the thickness of the sheet 910 – the width and 5500 – the length, all dimensions are given in mm.) what is the latest alphanumeric abbreviation? According to GOST, the letter C the material belongs to the wall fence, H – for decking, and HC – to mixed, decking and fencing. The number after the letter means the height of the profile. In practice, often used for roof decking brand C, for example, C21 or C9. Waves corrugated brand H have extra ribs, their appearance and use as external coatings, roofing materials for the roof – an amateur. On the other hand, additional edges provide a higher load-bearing capacity, and allow you to use it as a permanent formwork for concrete in horizontal design with a large mezhproletnym distance. Profiled brand NA also has additional ribs, but the height of the profile of the brand does not exceed 44 mm.
Armature. With the identification of the valve all the easier. Usually, the first number indicates the diameter of the rod, the second - grade steel. Example: “ THE PERIOD 12 35GS Nemer & rdquo ;. In this case – corrugated (periodic profile) reinforcement, bar diameter 12 mm., steel 35GS, unmeasured. Measuring fittings – Each rod has a certain length (often – 11.7 m.). Unmeasured usually somewhat cheaper, but do not think that this kind of rejection. Quality at the dimensional and unmeasured fittings – same. In addition there is also a smooth grooved fittings (CIRCLE 10 35GS). To a diameter of 10 mm. it is supplied in coils from 10 mm. and more – in bars.
Corner. Corner is equilibrium and unequal. In equal- both sides of the same width, respectively, have unequal – different. Labelled Area obvious way – side x side x thick , for example, 63 * 63 * 6 mm.
Channel. Marked with the letter. We – sloping shelves internal faces, P – Parallel shelves. Less common are E and A – parallel-sided shelves, respectively, cost-effective and easy series, C – special. Companies in the price channel is usually marked or number – it is the height in cm., or three numbers – height x shelf width x profile thickness .
Beam or I-beams. As is known from the course of the strength of materials, at a given cross sectional area of greatest strength I-beam deflection provides configuration. Letter designations: M – sloping shelves internal faces, Y, B, W, D, K – Parallel internal shelves. We – uzkopolochnye, B – Normal, W – shirokopolochnye. Series D – srednepolochnye, with a width of between B and C. Similarly, channel bars, beam in the price marked a number of – height, or three – height, flange width, thickness of the profile.