Ms Hollow Section Steel Tube ERW Black Annealed Steel Square Pipe
Welded Square tube is also be used widely same as round tube, usually square tube for structure be used in industry and decorate field. This kind of tube finish can be varied much, such NO.4, HL, Grit600, Colored, Mirror.
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We emphasize progress and introduce new merchandise into the market each and every year for Ss Wire, stainless tube coil, 304L stainless steel plate. We follow a spirit of care about the world, dare to become a pioneer, having been ahead of the technology's leading edge research and development in the industry. Our company always implements the business ideas of technological innovation, winning by quality, serving the society, and marketing philosophy of seeking the market by honesty, and strives to satisfy customers. As practitioners of social responsibility and promoters of advanced culture, we combine the hard power of scientific and technological development with the soft power of corporate culture construction.
Product Description
Welded Square tube is also be used widely same as round tube, usually square tube for structure be used in industry and decorate field. This kind of tube finish can be varied much, such NO.4, HL, Grit600, Colored, Mirror.
Production Standard:
ASTM A554, JIS G3446, DIN17457, GB/T 12770, JG/T3030, YB\T 5363
Main grade mechanical property in different standard
201 | Y.S./Mpa ≥ | T.S./Mpa ≥ | E.L./% ≥ | HB ≤ | HRB ≤ | HBW ≤ | HV ≤ |
ASTM | 260 | 515 | 40 | - | 95 | 217 | - |
JIS | 275 | 520 | 40 | 241 | 100 | - | 253 |
GB | 205 | 515 | 30 | - | 99 | - | - |
202 | Y.S./Mpa ≥ | T.S./Mpa ≥ | E.L./% ≥ | HB ≤ | HRB ≤ | HBW ≤ | HV ≤ |
ASTM | 260 | 620 | 40 | - | - | 241 | - |
JIS | 275 | 520 | 40 | - | 95 | 207 | 218 |
GB | - | - | - | - | - | - | - |
304 | Y.S./Mpa ≥ | T.S./Mpa ≥ | E.L./% ≥ | HB ≤ | HRB ≤ | HBW ≤ | HV ≤ |
ASTM | 205 | 515 | 40 | - | 92 | 201 | - |
JIS | 205 | 520 | 40 | 187 | 90 | - | 200 |
GB | 205 | 515 | 40 | - | 92 | 201 | 210 |
316L | Y.S./Mpa ≥ | T.S./Mpa ≥ | E.L./% ≥ | HB ≤ | HRB ≤ | HBW ≤ | HV ≤ |
ASTM | 170 | 485 | 40 | - | 95 | 217 | - |
JIS | 175 | 480 | 40 | 187 | 90 | 200 | |
GB | 170 | 485 | 40 | - | 95 | 217 | 220 |
409 | Y.S./Mpa ≥ | T.S./Mpa ≥ | E.L./% ≥ | HB ≤ | HRB ≤ | HBW ≤ | HV ≤ |
ASTM | - | - | - | - | - | - | - |
JIS | 175 | 360 | 22 | 162 | 80 | - | 175 |
GB | - | - | - | - | - | - | - |
409L | Y.S./Mpa ≥ | T.S./Mpa ≥ | E.L./% ≥ | HB ≤ | HRB ≤ | HBW ≤ | HV ≤ |
ASTM | 170 | 380 | 20 | - | 88 | 179 | - |
JIS | 175 | 360 | 25 | 162 | 80 | - | 175 |
GB | 170 | 380 | 20 | - | 88 | 179 | 200 |
410S | Y.S./Mpa ≥ | T.S./Mpa ≥ | E.L./% ≥ | HB ≤ | HRB ≤ | HBW ≤ | HV ≤ |
ASTM | 205 | 415 | 22 | - | 89 | 183 | - |
JIS | 205 | 410 | 20 | - | 88 | 183 | 200 |
GB | 205 | 415 | 20 | - | 89 | 183 | 200 |
Production Process and Feature
About square and rectangle tube producing, the first step we make round tube, then reform to square or rectangle tube, sometime do the surface process.
Application
It's widely used on industry structure and building decorative
Our Ms Hollow Section Steel Tube ERW Black Annealed Steel Square Pipe is favored by users all over the world for its superb technology, advanced craftsmanship, and perfect after-sales service. Only when there are smiling employees can we have satisfied customers. Our employees take the customer first, the customer returns to us and the enterprise serves the society. We normally think and practice corresponding towards the change of circumstance, and grow up.
