Product Description:
Steel Channel
Size: 140*58*6*9.5mm
Length: 6m, 12m
Material: GB Q235
1. The chemical composition of HR Channel Steel according to Q235B is shown in Table-1.
Alloy No | Grade | Element(%) |
C | Mn | S | P | Si |
Q235 | B | 0.12-0.20 | 0.3-0.7 | ≦0.045 | ≦0.045 | ≦0.3 |
Table-1
Note: we are able to present our customers relevant SGS test report for chemical composition of HR Channel Steel.
2. The mechanical property of HR Channel Steel according to Q235B is shown in Table-2
Alloy No | Grade | Yielding Strength Point(Mpa) |
Thickness(mm) |
≦16 | ＞16-40 | ＞40-60 | ＞60-100 |
≧ |
Q235 | B | 235 | 225 | 215 | 205
|
Table-2
- Q:What is the wall thickness of national standard 8* channel steel?
- Should refer to the GB 8 channel height 80 leg width 43 waist thickness 5.Channel steel is a strip of steel with a cross section. Section steel with groove shape.Channel steel is divided into ordinary channel steel and light channel steel. Standard Specification for hot-rolled plain channel steel is 5-40#. Specifications for hot rolled flexible channel steel supplied by supply and demand agreement are 6.5-30#. Channel steel is mainly used for building structures, vehicle manufacturing, other industrial structures and fixed plates, cabinets, etc., and channel steel is often used in conjunction with i-beam.According to the channel shape and can be divided into 4 kinds: cold bending equilateral channels, cold-formed non equilateral channel steel, cold rolled edge channels, the cold bending edge channelsAccording to the theory of steel structure, it should be stressed by the channel plate, that is to say, the channel should stand rather than lie prone.
- Q:What do you mean by "A" in the channel type?
- A thin waist is the most.The width of their legs is equal to the waist thickness difference, that is, the real leg (not including waist thickness) is the same length, and the average leg thickness is the same.
- Q:After the type of channel is not marked A or B, which shall be calculated?
- The type of channel is not calculated or selected according to the best principle when it is not marked "A" or "B":1) if it is the construction side, according to A model selection calculation, the most material, the lowest cost;2) if it is the owner, according to B model selection calculation, higher strength, greater safety factor.
- Q:What is the minimum size of channel steel?
- The minimum size for the 5# channel channel, general specification for 50mm*50mm*3mm 50mm*50mm*4mm 50mm*50*mm5mm 50mm*50mm*6 mm, which is most commonly used, 50*50 is the right number, a digit number. Behind the thickness weight: General cross-sectional area 6.93cm2 theoretical weight 5.44kg/m, 5 channel theoretical weight is 5.438kg/m.
- Q:You can use steel purlin
- Not the best, I remember the US steel purlin is C, also called C purlin, around 2MM made of iron, and steel, the weight is too large, the roof girder pressure is too large, and too wasteful.
- Q:What direction does channel steel use best?
- The ability of the channel to bear the vertical load is proportional to its vertical cross section, so the opening is left or right, and the maximum vertical load can be carried.
- Q:What is the difference between rectangular steel and channel steel and construction steel? Which bearing capacity is stronger?,
- Direct comparison of Wx or Wy, which big will indicate which bending better, more carrying capacity.
- Q:What kind of welding rod used for channel steel?
- 20 steel can use knot 422, knot 423, knot 424, knot 425; strength high occasion, knot 506, knot 507. 304 steel with Austria 102, Austria 107, Austria 002 welding rod.
- Q:How about the moment of inertia of two back to back channels? There is no formula,,,,.
- Two people can add. Two moments of inertia are added together.
- Q:The lift Ii Michihiro 2500 needs to be fitted with large channel steel to withstand 3 tons of weight
- What is the midpoint moment by channel loadGood 30# I-beam, made of fish bellied beam
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