Product Catalogue · Factory-Direct Bulk Supply
SEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
Factory-direct bulk steel supply from our Jinan yard -- 2,800+ specifications in stock, ready for immediate container loading.
- 50
- Listed Products
- 26
- Categories
Product catalogue
Showing 1-12 of 50 products
-
SEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
Carbon Steel Hot Rolled Square Rectangular Hollow Section Supplier
Carbon Steel Hot Rolled Square and Rectangular Hollow Section, 12×12–800×800 mm square / 10×20–800×1000 mm rectangular, length 1–12 m —...
Aug 3, 2026 View details -
SEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
Q235 Q345 ERW Square Rectangular Steel Tube 10-500mm Factory Direct Supplier
Q235 Q345 ERW Square and Rectangular Steel Tube, 10mm×10mm–500mm×500mm, wall thickness 0.6–20mm — hot rolled and cold rolled ERW process...
Aug 3, 2026 View details -
SEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
A36 Carbon Steel Seamless Square Tube 20-600mm Factory Direct Supplier
A36 Carbon Steel Seamless Square Tube, ASTM A36/A53/A106, 20×20–600×600 mm, wall thickness 30–500 mm — hot-rolled seamless process delivers uniform...
Aug 3, 2026 View details -
SEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
Q235 Q345 ERW Square Steel Tube 10-500mm Factory Direct Supplier
Q235 Q345 ERW Square Steel Tube, 10×10–500×500 mm, wall thickness 0.6–20 mm — ERW welded process delivers cost-efficient performance for...
Aug 3, 2026 View details -
SEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
Q235 Q345 Black Iron Square Tube RHS Steel Profile Factory Direct Supplier
Q235 Q345 Black Iron Square Tube RHS Steel Profile, ASTM/GB/DIN/JIS, side length 10–3000 mm, wall thickness 0.6–15 mm — available...
Aug 3, 2026 View details -
SEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
Q195-Q345 ERW Square Rectangular Hollow Section Steel Tube Supplier
Q195-Q345 ERW Square & Rectangular Hollow Section, ASTM A500 / EN 10219, 16×16–400×400 mm square, 20×40–300×500 mm rectangular, wall thickness...
Aug 3, 2026 View details -
SEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
Q195-Q345 Carbon Steel Square Tube 20-610mm ERW Factory Direct Supplier
Q195-Q345 Carbon Steel Square Tube, 20-610mm, wall thickness 0.6-20mm, ERW welded — available in square and rectangular sections with bare,...
Aug 3, 2026 View details -
SEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
Q235B S355JR ERW Square Rectangular Steel Tube Supplier
Q235B S355JR ERW Square Rectangular Steel Tube, ASTM A500 / EN 10219, side length 12×12–800×800 mm, wall thickness 0.5–25 mm...
Aug 3, 2026 View details -
SEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
Q235B S355JR ERW Square Rectangular Steel Tube Supplier
Q235B S355JR ERW Square Rectangular Steel Tube, ASTM A500 / EN 10219, side length 12×12–800×800 mm, wall thickness 0.5–25 mm...
Aug 3, 2026 View details -
SEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
S355J2H Seamless Square Rectangular Tube EN10210 Factory Direct
S355J2H Seamless Square and Rectangular Steel Tube, EN10210, thick-wall, ±1% tolerance, MOQ 10 tons — seamless manufacturing delivers superior structural...
Aug 3, 2026 View details -
SEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
Q235 Q345 Hot Rolled Seamless Square Steel Tube Custom Sizes Supplier
Q235 Q345 Hot Rolled Seamless Square Steel Tube, ASTM, customized sizes, ±1% tolerance — hot rolled seamless process delivers superior...
Aug 3, 2026 View details -
SEAMLESS SQUARE AND RECTANGULAR HOLLOW SECTIONS
Q235 Q345 Hot Rolled Seamless Square Steel Tube Custom Sizes Supplier
Q235 Q345 Hot Rolled Seamless Square Steel Tube, ASTM, customized sizes, ±1% tolerance — hot rolled seamless process delivers superior...
Aug 3, 2026 View details
Bulk enquiry · MOQ from 1 ton
Send your spec list. Get a loaded-container quote in 12 hours.
Share sizes, grades and monthly tonnage -- our export team returns factory-direct pricing, stock status, lead time and full documentation plan.