{"id":24410,"date":"2025-10-20T16:37:01","date_gmt":"2025-10-20T08:37:01","guid":{"rendered":"https:\/\/wanzhisteels.com\/?p=24410"},"modified":"2026-03-16T14:19:47","modified_gmt":"2026-03-16T06:19:47","slug":"carbon-steel-square-tube","status":"publish","type":"post","link":"https:\/\/wanzhisteels.com\/uz\/carbon-steel-square-tube\/","title":{"rendered":"Carbon steel square tube"},"content":{"rendered":"
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Uy <\/a>\u00bb<\/strong> <\/strong><\/a>Karbonli qotishma po'lat<\/a> \u00bb<\/strong> Carbon steel square tube<\/h3><\/div>\n<\/div>\n\n\n\n
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\"Q235B<\/figure>\n<\/div>\n\n\n\n
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carbon steel square tube<\/h1><\/div>\n\n\n\n
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length: 1m-12m<\/p>\n\n\n\n

Thickness:  0.5 – 30mm<\/p>\n\n\n\n

Design Style:  Customizable<\/p>\n\n\n\n

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Send Inquiry<\/div><\/a><\/div><\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n
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Product Details<\/div><\/a><\/div><\/div>\n\n\n\n
WHY choose us<\/div><\/a><\/div><\/div>\n<\/div><\/div>\n\n\n\n
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Product Introduce<\/h2><\/div>\n\n\n\n

Carbon steel square tubes are hollow, seamless, long strips of steel, formed through hot rolling, cold drawing, and extrusion. They are typically square or rectangular in cross-section and are available for structural, fluid transport, and boiler applications. They operate in temperatures ranging from -40\u00b0C to 450\u00b0C.<\/p>\n\n\n\n

Product Parameters<\/h2><\/div>\n\n\n\n
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Item <\/td>\n Parameters <\/td>\n <\/tr>\n <\/thead>\n
Products name <\/td>\n Carbon steel square tube <\/td>\n <\/tr>\n
Thickness <\/td>\n 0.25-30 mm <\/td>\n <\/tr>\n
Side Length <\/td>\n 20\u00d720 ~ 600\u00d7600 (mm) <\/td>\n <\/tr>\n
Length <\/td>\n 4~12m, customer requirements <\/td>\n <\/tr> \n
MOQ <\/td>\n 10 tons <\/td>\n <\/tr>\n
Delivery time <\/td>\n 15-30 days for conventional products, negotiated for customized products <\/td>\n <\/tr>\n
Payment Term <\/td>\n T\/T,100% L\/C at sight <\/td>\n <\/tr>\n
Packing <\/td>\n Standard freight packaging <\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n <\/div>\n\n\n\n

Common grades and properties<\/h3><\/div>\n\n\n\n
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Grade <\/td>\n Yield Strength (MPa) <\/td>\n Tensile Strength (MPa) <\/td>\n Elongation (%) <\/td>\n Application <\/td>\n <\/tr>\n <\/thead>\n
Q235B<\/td>\n \u2265235 <\/td>\n 370~500 <\/td>\n \u226526 <\/td>\n Building supports, guardrails <\/td>\n <\/tr>\n
Q355B <\/td>\n \u2265355 <\/td>\n 470~630 <\/td>\n \u226522 <\/td>\n Factory trusses, construction machinery <\/td>\n <\/tr> \n
Q420C <\/td>\n \u2265420 <\/td>\n 520~680 <\/td>\n \u226519 <\/td>\n Bridge structures, heavy-duty racking <\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n <\/div>\n\n\n\n

Common application scenarios<\/h2><\/div>\n\n\n\n

1.Building and Steel Structures<\/strong><\/p>\n\n\n\n

Factory Columns, Curtain Wall Frames, Fire Stair Frames<\/p>\n\n\n\n

2.Logistics and Warehousing<\/strong><\/p>\n\n\n\n

Heavy-Duty Shelf Beams, Automated Warehouse Brackets<\/p>\n\n\n\n

3.Infrastructure and Energy<\/strong><\/p>\n\n\n\n

Photovoltaic Brackets, Agricultural Greenhouses, Bridge Guardrail Bases<\/p>\n\n\n\n

Our Certificates<\/h2><\/div>\n\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\"SGS-shandongwanzhi(1)\"\n\t\t\t\t<\/picture>\n\t\t\t\t
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\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\"SGS-zhengzhouwanzhi(1)\"\n\t\t\t\t<\/picture>\n\t\t\t\t
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\n\t\t\t\t\tSGS Zhengzhou Wanzhi\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\n\n\n

Customer visit<\/h2><\/div>\n\n\n\n
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\"Customers<\/figure><\/div>\n<\/div>\n<\/div>\n\n\n\n

Customer Praise<\/h2><\/div>\n\n\n\n
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Why choose us ?<\/h2><\/div>\n\n\n\n

Wanzhi Steel Co., Ltd. Suppliers offer:<\/p>\n\n\n\n

Customized solutions: customized profiles (wavy, tile) and sequined finishes (regular, no sequins).
Timely delivery: fast delivery, as fast as within a week.
Competitive pricing: bulk discounts available for orders over 10 tons.
Professional logistics support: ocean-safe packaging with moisture barrier and steel strapping to prevent damage.<\/p>\n\n\n\n

Contact us<\/h2><\/div>\n\n\n\n
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Company<\/strong>: Erqi District, Zhengzhou City, Henan Province, China<\/p>\n\n\n\n

Factory<\/strong>: Binzhou City, Shandong Province, ChinaList item<\/p>\n\n\n\n

E-mail<\/strong>: info04@wanzhisteel.com<\/p>\n\n\n\n

WhatsApp<\/strong>: +86 18736065220<\/p>\n\n\n\n

Website<\/strong>: https:\/\/wanzhisteels.com<\/p>\n<\/div>\n\n\n\n

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\"86<\/figure><\/div>\n<\/div>\n<\/div>\n\n\n\n

Hot Tags:<\/strong> Carbon Steel<\/a> Tubes, Carbon Steel Pipe<\/a>, Q235B square tube, manufacturers, suppliers, factory, low price, for sale<\/p>\n\n\n\n

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<\/path><\/svg><\/span>
ss400 hot rolled carbon steel<\/div><\/a><\/div><\/div>\n\n\n\n
cold rolled sheet metal<\/div><\/path><\/svg><\/span><\/a><\/div><\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n
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    Please specify your requirement by referring to the following aspects:\n\t\t\t\t<\/p>\n\t\t\t<\/div>\n\t\t\t

    1<\/span>What kind of solution will meet your demand? (Key point)\n\t\t\t<\/p>\n\t\t\t

    2<\/span>What kind of material and expected end product are you planning to have? (Right solution begins from material and product)\n\t\t\t<\/p>\n\t\t\t

    3<\/span>When is the project supposed to be running? (Key info for A-Z project programming)\n\t\t\t<\/p>\n\t\t\t

    4<\/span>Budget for machinery purchasing? (Key info for right model)\n\t\t\t<\/p>\n\t\t\t

    5<\/span>Points that you really focus on. (Customized service from our project consultant)\n\t\t\t<\/p>\n\t\t<\/div>\n\t<\/div>\n\t

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