En 10305-1 E235 E255 E355 +N Precision Seamless Steel Pipe

En 10305-1 E235 E255 E355 +N Precision Seamless Steel Pipe. Precision Seamless Construction: Cold drawn seamless steel pipe with high precision for automotive and hydraulic applications. Wide Steel Grade Range: Available in E235, E255, E355, St35, St45, St52 and many customized modified grades. Multiple Surface Treatments: Options include bright, black phosphated, galvanized (silver, yellow, olive green) with 8-20um thickness. Diverse Delivery Conditions: Delivered as BK, BKW, BKS, GBK, or NBK to meet specific mechanical and processing needs. Comprehensive Certifications: ISO 9001, TS16949 certified with EN 10204 3.1 test reports available for all products. High Pressure Performance: Suitable for CNG tubes with burst pressure up to 1307 Bar and working pressure around 350 Bar. Strict Quality Control: Double inspection by professional controllers with vivid test reports before delivery. Global OEM Service: OEM service available with flexible customization for steel grades and specifications.