IPN欧标工字钢现货供应
发布时间 2021-08-12 09:05:21
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产品描述
I-beam
has small side length and high height, and can only bear single
direction force. H-shaped steel groove is deep and thick, which can
bear the force in two directions. 2. I-beam can only be used for
beams, while H-beam can be used for bearing columns of structures.
3. H-beam is a kind of economical section steel with better
mechanical properties than I-beam. Its section shape is the same as
the English letter "H". The flange of hot-rolled H-beam is wider
than that of I-beam, with larger lateral rigidity and stronger
bending resistance. Under the same specification, H-beam is lighter
than I-beam. 4. The flange of I-beam is thick on the web with
variable wearing surface and thin on the outside; the flange of
H-beam is equal wearing surface. I-section steel, whether ordinary
or light, has relatively high and narrow section size, so the
moment of inertia of the two main sleeves of the section is quite
different. Therefore, it can only be directly used for bending
members in the plane of its web or forming lattice stress members.
It is not suitable for the axial compression members or the members
which are vertical to the web plane and bent, so it has a great
limitation in the scope of application. H-section steel is a kind
of high-efficiency and economic cutting profile (other are
cold-formed thin-walled section steel, profiled steel plate, etc.),
because of the reasonable section shape, they can make the steel
more efficient and improve the cutting capacity. The flange of
H-beam is widened, and the inner and outer surfaces are usually
parallel, which makes it easy to connect with other members with
high-strength bolts. Its size and structure are reasonable series,
and its model is complete, which is convenient for design and
selection. (except I-section steel for crane beam
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