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We are committed to providing one-stop service for steel pipe products to customers around the world.
RHS has inherently flat surfaces that make it more economical when it comes to joining and fabrication. Also, RHS is functional with clean lines and is used for construction and architectural applications.
RHS is manufactured in a wide range of dimensions and thicknesses, as well as combinations of both. Available thicknesses across the board are 1.6mm-20mm.Dimensions range from 50mm×20mm to 400×30mm.
Centerway steel co.,ltd is manufacturers&suppliers of rectangular tube, passed ISO9001, SGS and other certificates, accept third-party testing,Feel free to contact us anytime
A500 Gr-B:Standard specification published by the ASTM for cold-formed welded and seamless carbon steel structural tubing in round, square, and rectangular shapes.
A513:Offers high weldability and is used frequently in structural applications in bridges and buildings as well as in both the automotive and appliance industry.
Chemical composition
|
Grade |
element |
C |
Mn |
P |
S |
|
ASTM A500 Gr.b |
% |
0.05%-0.23% |
0.3%-0.6% |
0.04% |
0.04% |
|
Acc.to EN10027/1 |
Acc.to EN10027/2 |
C% max (Norminal W.T.(mm) |
Si% max |
Mn% max |
P% max |
S% max |
N% max |
|
|
and IC 10 |
|
≤ 40 |
|
|||||
|
S235JRH |
1.0039 |
0.17 |
0.20 |
- |
1.40 |
0.045 |
0.045 |
0.009 |
|
S275JOH |
1.0149 |
0.20 |
0.22 |
- |
1.50 |
0.040 |
0.040 |
0.009 |
|
S275J2H |
1.0138 |
0.20 |
0.22 |
- |
1.50 |
0.035 |
0.035 |
- |
|
S355JOH |
1.0547 |
0.22 |
0.22 |
0.55 |
1.60 |
0.040 |
0.040 |
0.009 |
|
S355J2H |
1.0576 |
0.22 |
0.22 |
0.55 |
1.60 |
0.035 |
0.035 |
- |
Mechanical properties
|
Grade |
Yield Strength |
Tensile Strength |
Elongation |
|
A500.Gr.b |
46 ksi |
58 ksi |
23% |
|
A513.GR.B |
72 ksi |
87 ksi |
10% |
|
Norm |
Yield Strength |
Tensile Strength |
Min.elogation |
Min.percent properties |
||||||||
|
Acc.to EN10027/1 and IC 10
|
Acc.to EN10027/2 |
Norminal W.T.mm |
Norminal W.T.mm |
Longit. |
Cross |
Test temperature°C |
Average min.impact value |
|||||
|
≤16 |
>6 |
>40 |
<3 |
≤3≤65 |
Norminal W.T.mm |
|||||||
|
≤65 |
≤65 |
≤40 |
>40 |
>40 |
≤65 |
|||||||
|
≤65 |
≤40 |
|||||||||||
|
S253JRH |
1.0039 |
235 |
225 |
215 |
360-510 |
340-470 |
26 |
25 |
24 |
23 |
20 |
27 |
|
S275JOH |
1.0149 |
275 |
265 |
255 |
410-580 |
410-560 |
22 |
21 |
20 |
19 |
0 |
27 |
|
S275J2H |
1.0138 |
275 |
265 |
255 |
430-560 |
410-560 |
22 |
21 |
20 |
19 |
-20 |
27 |
|
S355JOH |
1.0547 |
355 |
345 |
335 |
510-680 |
490-630 |
22 |
21 |
20 |
19 |
0 |
27 |
|
S355J2H |
1.0576 |
355 |
345 |
335 |
510-680 |
490-630 |
22 |
21 |
20 |
19 |
-20 |
27 |
