ASTM A 588 GR. B H Beam steel with the thickness form 8mm~200mm are used as high weathering bridge structural steel,ASTM A588 Grade B steel contains Cu, P, Cr, Ni and other elements, these elements give the steel A588 Grade B a high resistance to the corrosion of atmosphere. A588 Grade B steel plates and sheets are applied mostly on weathering construction components and bridge structural parts.
ASTM A 588 GR. B H Beam Steel Chemical Composition Analysis (%):
C |
Si |
Mn |
P |
S |
Cu |
Ni |
Cr |
V |
0.20 |
0.15-0.50 |
0.75-1.35 |
0.04 |
0.05 |
0.40-0.70 |
0.50 |
0.40-0.70 |
0.01-0.10 |
ASTM A 588 GR. B H Beam Steel Mechanical Properties:
Thickness(mm) |
Yield strength (Mpa) Min. |
Tensile strength (Mpa) Min. |
Elongation in ≥,% |
|
200mm |
50mm |
|||
T≤100 |
345 |
485 |
18 |
21 |
100<T≤125 |
315 |
460 |
... |
21 |
125<T≤200 |
290 |
435 |
... |
21 |
ASTM A 588 GR. B H Beam steel is an intermediate tensile strength carbon steel that is easy to form, machine and weld. Its strength and low cost make it an ideal material for structural steel beams.
ASTM A 588 GR. B H Beam steel equivalent standard with GB/T 4171 is ISO 4952, ISO 5952, ASTM A242/242M, ASTM A588/A588M, ASTM A606, ASTM A871/A871M, JIS G3114, JIS G3125, GB/T 18982.
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