{"id":7614,"date":"2026-04-03T07:42:06","date_gmt":"2026-04-03T07:42:06","guid":{"rendered":"https:\/\/www.shandongruiying.com\/?post_type=product&#038;p=7614"},"modified":"2026-04-03T08:15:59","modified_gmt":"2026-04-03T08:15:59","slug":"channel-steel","status":"publish","type":"product","link":"https:\/\/www.shandongruiying.com\/ru\/product\/channel-steel\/","title":{"rendered":"\u0421\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u0448\u0432\u0435\u043b\u043b\u0435\u0440"},"content":{"rendered":"<p>Channel steel is a kind of long structural steel with a concave cross-section, a classic hot-rolled section steel widely applied in engineering construction and mechanical manufacturing. It is mainly made of high-quality carbon structural steel and low-alloy high-strength structural steel, processed by hot rolling as the core process, with the characteristics of reasonable section stress distribution, excellent load-bearing capacity and good processability. It is divided into hot-rolled channel steel and cold-formed channel steel according to the manufacturing process, and can be customized with different specifications to meet the diverse needs of various industrial scenarios.<\/p>\n<p><strong><b>Key Characteristics<\/b><\/strong><\/p>\n<ul>\n<li>Excellent Structural Load-bearing Capacity: The concave cross-section design enables uniform stress on the web and flange, with strong bending and pressure resistance, suitable for bearing structural components.<\/li>\n<li>Superior Processability: Easy to perform welding, cutting, drilling, bending and other processing operations, and the processed joints have high stability and firmness.<\/li>\n<li>Good Mechanical Properties: Maintains high tensile and yield strength at room temperature, with moderate toughness and ductility, and no obvious deformation under normal load.<\/li>\n<li>High Dimensional Accuracy: The hot-rolled\/cold-formed precision process ensures the consistency of section size, small tolerance and good straightness of the finished product.<\/li>\n<li>Cost-effectiveness: Adopts common carbon steel\/low-alloy steel as raw material, with low production cost and high performance, suitable for large-scale engineering application.<\/li>\n<li>Customizable Performance: Can be processed by galvanizing, painting, shot blasting and other surface treatments to improve corrosion resistance and adapt to different working environments.<\/li>\n<\/ul>\n<p><strong><b>Production &amp; Types<\/b><\/strong><\/p>\n<ul>\n<li>Manufacturing Processes: Hot rolling (the main process for standard channel steel) for hot-rolled channel steel; roll forming + high-frequency welding for cold-formed channel steel.<\/li>\n<li>Product Forms: Hot-rolled channel steel (ordinary and light series), cold-formed channel steel; available with fixed length, random length and customized cutting according to customer requirements.<\/li>\n<li>Surface Treatments: Natural hot-rolled surface, hot-dip galvanizing, electro-galvanizing, epoxy painting, shot blasting and derusting (Ra \u2264 3\u03bcm for general structural use).<\/li>\n<\/ul>\n<p><strong><b>\u0425\u0438\u043c\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0441\u043e\u0441\u0442\u0430\u0432 <\/b><\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td><strong><b>\u042d\u043b\u0435\u043c\u0435\u043d\u0442<\/b><\/strong><\/td>\n<td><strong><b>\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435 (\u043c\u0430\u0441\u0441\u043e\u0432\u0430\u044f \u0434\u043e\u043b\u044f)<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u0423\u0433\u043b\u0435\u0440\u043e\u0434 (C)<\/td>\n<td>\u2264 0.29%<\/td>\n<\/tr>\n<tr>\n<td>\u041a\u0440\u0435\u043c\u043d\u0438\u0439 (Si)<\/td>\n<td>0.17% &#8211; 0.50%<\/td>\n<\/tr>\n<tr>\n<td>\u041c\u0430\u0440\u0433\u0430\u043d\u0435\u0446 (Mn)<\/td>\n<td>0.50% &#8211; 1.60%<\/td>\n<\/tr>\n<tr>\n<td>\u0424\u043e\u0441\u0444\u043e\u0440 (P)<\/td>\n<td>\u2264 0,045%<\/td>\n<\/tr>\n<tr>\n<td>\u0421\u0435\u0440\u0430 (S)<\/td>\n<td>\u2264 0,045%<\/td>\n<\/tr>\n<tr>\n<td>Copper (Cu)<\/td>\n<td>\u2264 0.30% (Optional, for weathering type)<\/td>\n<\/tr>\n<tr>\n<td>\u0416\u0435\u043b\u0435\u0437\u043e (Fe)<\/td>\n<td>\u0411\u0430\u043b\u0430\u043d\u0441<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><b>Dimensional Specifications &amp; Tolerances<\/b><\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td><strong><b>\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/b><\/strong><\/td>\n<td><strong><b>Hot-rolled Channel Steel<\/b><\/strong><\/td>\n<td><strong><b>Cold-formed Channel Steel<\/b><\/strong><\/td>\n<td><strong><b>Tolerance<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>Section Height (h)<\/td>\n<td>50-400mm (Customizable)<\/td>\n<td>20-300mm (Customizable)<\/td>\n<td>\u00b11.0% of nominal height<\/td>\n<\/tr>\n<tr>\n<td>Flange Width (b)<\/td>\n<td>37-140mm (Matching height)<\/td>\n<td>20-150mm (Matching height)<\/td>\n<td>\u00b11.5% of nominal width<\/td>\n<\/tr>\n<tr>\n<td>Web Thickness (d)<\/td>\n<td>4.5-16mm (Matching height)<\/td>\n<td>1.5-10mm (Matching height)<\/td>\n<td>\u00b110% of nominal thickness<\/td>\n<\/tr>\n<tr>\n<td>\u0414\u043b\u0438\u043d\u0430<\/td>\n<td>6m\/9m\/12m (fixed length)<\/td>\n<td>3m-12m (fixed length)<\/td>\n<td>Customizable, total bending degree \u22640.30% of total length<\/td>\n<\/tr>\n<tr>\n<td>Straightness<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>\u22643mm per meter length<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><b>\u041c\u0435\u0445\u0430\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430<\/b><\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td><strong><b>\u041d\u0435\u0434\u0432\u0438\u0436\u0438\u043c\u043e\u0441\u0442\u044c<\/b><\/strong><\/td>\n<td><strong><b>\u0422\u0438\u043f\u0438\u0447\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u041f\u0440\u0435\u0434\u0435\u043b \u0442\u0435\u043a\u0443\u0447\u0435\u0441\u0442\u0438 (ReL\/Rp0.2)<\/td>\n<td>\u2265 235MPa &#8211; 355MPa (Depends on material grade)<\/td>\n<\/tr>\n<tr>\n<td>\u041f\u0440\u043e\u0447\u043d\u043e\u0441\u0442\u044c \u043d\u0430 \u0440\u0430\u0437\u0440\u044b\u0432 (Rm)<\/td>\n<td>375MPa &#8211; 550MPa (Depends on material grade)<\/td>\n<\/tr>\n<tr>\n<td>Elongation After Fracture (A50mm)<\/td>\n<td>\u2265 20% &#8211; 26% (Depends on material grade)<\/td>\n<\/tr>\n<tr>\n<td>\u0425\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438 \u0438\u0437\u0433\u0438\u0431\u0430<\/td>\n<td>180\u00b0 bend test, no cracks or deformation<\/td>\n<\/tr>\n<tr>\n<td>Impact Toughness (Akv, 20\u2103)<\/td>\n<td>\u2265 30J (Depends on material grade)<\/td>\n<\/tr>\n<tr>\n<td>Weldability<\/td>\n<td>Excellent, suitable for various welding processes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><b>Applicable Standards<\/b><\/strong><\/p>\n<ul>\n<li>Hot-rolled Channel Steel: Chinese GB\/T 706-2016, Japanese JIS G3192, American ASTM A36\/ASTM A572, European EN 10034<\/li>\n<li>Cold-formed Channel Steel: Chinese GB\/T 6725, Japanese JIS G3350, American ASTM A1003, European EN 10219<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Channel steel is a kind of long structural steel with a concave cross-section, a classic hot-rolled section steel widely applied in engineering construction and mechanical manufacturing.<\/p>","protected":false},"featured_media":7620,"template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"Channel Steel | Hot Rolled & Cold Formed Structural Steel for Construction & Machinery","_seopress_titles_desc":"Channel steel is a high-strength structural steel with a concave cross-section, widely used in construction and mechanical manufacturing. 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