EN 1090-2 EXC3 · AWS D1.1 · ISO 9001 · CE MARK
Drawing / BOM review — formal quotation within 48h
PRODUCT CATALOGUE
Precision-rolled and welded steel tube products, produced in-house across 3 production lines with 2,800+ raw-material specifications.
Showing 1-12 of 96 items
WELDED SQUARE AND RECTANGULAR STEEL TUBE
Q235B Q345B DIN Welded Steel Pipe, Round Section, Length 6m/9m/12m, Tolerance ±5% — welded via ERW process for cost-efficient fluid and structural...
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Q235B Q345B Square Welded Steel Tube, DIN ASTM, OD 6–900 mm, ±1% tolerance — hot rolled or cold drawn with custom surface...
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Q235 Q345 S355JR Welded Square Steel Tube, ASTM, wall thickness 0.9 mm, length 6 m / 6.4 m / 12 m —...
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Q345 Square Hollow Section, AS 1163 C350, 65×65×2.5 mm — ERW welded with ±1% tolerance for precise structural fit-up. Hot rolled finish,...
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Q235 Q345 S355JR Welded Square Rectangular Tube, ASTM, 40×60 mm to 40×80 mm, 6 m/12 m length — ERW welded carbon steel...
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Q235B Q345B ERW Welded Square Steel Tube, 10×10–600×600 mm, wall thickness 0.8–30 mm — ERW process delivers consistent seam quality with cost...
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S235 S355 Welded Square Steel Tube, ERW SHS/RHS, 10×10–600×600 mm, wall 0.8–30 mm — ERW welded process with ±1% tolerance, available in...
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Q195-S355 Welded ERW Square Steel Tube, ASTM A500, 10×10–600×600 mm, wall thickness 0.8–30 mm — ERW welding process ensures cost-efficient production for...
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Q235 Q345 S355 Welded Square Steel Tube, 10×10–600×600 mm, wall thickness 0.8–30 mm, ERW welded — multi-grade coverage from Q195 to S355...
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Q345B ERW Welded Square Steel Tube, 110×110mm, GB/T 6728, customizable wall thickness and length — ERW welding ensures ±1% dimensional tolerance for...
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S235JR ERW Welded Square Steel Tube, cold rolled, tolerance ±1%, square and rectangular sections — ERW process delivers precise dimensional accuracy with...
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S355JR Q235B ERW Welded Square Steel Tube, 40×40 mm, 3 mm wall thickness, ASTM A500 / EN 10219 — ERW process with...
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Custom wall thickness, cutting, welding and surface treatment supported. All shipments include MTC 3.1 and dimensional inspection reports.
