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 47 items
SEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
Carbon Steel Hot Rolled Square & Rectangular Hollow Sections, sizes 12×12–800×800 mm (square) and 10×20–800×1000 mm (rectangular), lengths 1–12 m — hot-rolled...
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Q235 Q345 ERW Square Rectangular Steel Tube, 10×10–500×500 mm, wall thickness 0.6–20 mm — hot rolled and cold rolled ERW processes deliver...
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A36 Carbon Steel Square Tube, ASTM A36, 16×16–600×600 mm, wall thickness 30–500 mm — available in hot rolled and ERW processes with...
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Q235 Q345 ERW Square Rectangular Tube, sizes 20×20 to 800×800 mm, wall thickness 1.5–40 mm — produced via high-frequency ERW welding for...
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Q235 Q345 Q355 Square and Rectangular Steel Tube, ASTM/GB/DIN/JIS, side length 10–3000 mm, wall thickness 0.6–15 mm — hot rolled, cold rolled,...
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Q195-Q345 Black ERW Rectangular Hollow Section Steel Tube, ASTM A500 / EN 10219, wall thickness 0.8–20 mm, RHS sizes 20×40 to 300×500...
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Let me analyze the requirements step by step. Gate Check: The identifier is "Carbon Steel Square and Rectangular Steel Tube" — not...
View DetailsSEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
S355JR Square and Rectangular Steel Tube, EN10219 / ASTM A500, sizes 10×10–1000×1000 mm, wall thickness 0.5–60 mm — ERW process ensures consistent...
View DetailsSEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
S355JRH Seamless Square Steel Tube, EN10210, thick wall with ±1% tolerance — hot-rolled seamless manufacturing ensures dimensional accuracy for precision structural connections...
View DetailsSEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
Q235 Q345 S355JR Seamless Square Rectangular Steel Tube, ASTM, customized sizes, ±1% tolerance — hot-rolled seamless technique ensures uniform wall thickness and...
View DetailsSEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
Q195-Q355 Carbon Steel Square/Rectangular Tube, 30×30–200×400 mm, wall thickness 1.5–12 mm — available in ERW and seamless processes with black or galvanized...
View DetailsSEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
S355JR Rectangular Hollow Section Steel Tube, hot-rolled, 20×20mm to 40×80mm, lengths 6m / 6.4m / 12m — ideal for load-bearing frames and...
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Custom wall thickness, cutting, welding and surface treatment supported. All shipments include MTC 3.1 and dimensional inspection reports.
