{"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\/ar\/product\/channel-steel\/","title":{"rendered":"\u0642\u0646\u0627\u0629 \u0627\u0644\u0635\u0644\u0628"},"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>\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/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>\u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0648\u0623\u0646\u0648\u0627\u0639\u0647<\/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>\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a <\/b><\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td><strong><b>\u0627\u0644\u0639\u0646\u0635\u0631<\/b><\/strong><\/td>\n<td><strong><b>\u0627\u0644\u0645\u062d\u062a\u0648\u0649 (\u062c\u0632\u0621 \u0627\u0644\u0643\u062a\u0644\u0629)<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0643\u0631\u0628\u0648\u0646 (C)<\/td>\n<td>\u2264 0.29%<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0633\u064a\u0644\u064a\u0643\u0648\u0646 (Si)<\/td>\n<td>0.17% &#8211; 0.50%<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0645\u0646\u062c\u0646\u064a\u0632 (Mn)<\/td>\n<td>0.50% &#8211; 1.60%<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0641\u0648\u0633\u0641\u0648\u0631 (P)<\/td>\n<td>\u2264 0.045%<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0643\u0628\u0631\u064a\u062a (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>\u0627\u0644\u062d\u062f\u064a\u062f (Fe)<\/td>\n<td>\u0627\u0644\u0631\u0635\u064a\u062f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong><b>\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0623\u0628\u0639\u0627\u062f \u0648\u0627\u0644\u062a\u0641\u0627\u0648\u062a\u0627\u062a \u0627\u0644\u0645\u0633\u0645\u0648\u062d \u0628\u0647\u0627<\/b><\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td><strong><b>\u0627\u0644\u0645\u0639\u0644\u0645\u0629<\/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>\u0627\u0644\u062a\u0633\u0627\u0645\u062d<\/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% \u0645\u0646 \u0627\u0644\u0633\u064f\u0645\u0643 \u0627\u0644\u0627\u0633\u0645\u064a<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0637\u0648\u0644<\/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>\u0627\u0644\u0627\u0633\u062a\u0642\u0627\u0645\u0629<\/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>\u0627\u0644\u062e\u0648\u0627\u0635 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629<\/b><\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td><strong><b>\u0627\u0644\u0645\u0645\u062a\u0644\u0643\u0627\u062a<\/b><\/strong><\/td>\n<td><strong><b>\u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u0642\u0648\u0629 \u0627\u0644\u062e\u0636\u0648\u0639 (ReL\/Rp0.2)<\/td>\n<td>\u2265 235MPa &#8211; 355MPa (Depends on material grade)<\/td>\n<\/tr>\n<tr>\n<td>\u0642\u0648\u0629 \u0627\u0644\u0634\u062f (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>\u0623\u062f\u0627\u0621 \u0627\u0644\u0627\u0646\u062d\u0646\u0627\u0621<\/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>\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0645\u0637\u0628\u0642\u0629<\/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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