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DIN 2391 ST35 Carbon Steel Pipe

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DIN 2391 ST35 Carbon Steel Pipe

DIN 2391 St30Al, St35, St45, St52 Carbon Steel Pipe   Material   DIN 2391 standard specifies seamless precision steel tubes made from non-alloyed and alloyed steels with high dimensional accuracy and a smooth inner and outer surface.Grades St30Al, St35, St45, and St52 are widely used in mechanical engineering, hydraulic systems, and automotive applications where precision, strength, and reliability are essential.   Specification   Standard DIN 2391 Grades  St30Si, St30Al, St35, St45, St52 Form Seamless Outer Diameter 4 mm – 120 mm Wall Thickness 0.5 mm – 12 mm Length 5 – 12 m (fixed length available) Delivery Condition NBK (normalized), BK (cold-finished/hard), BKW (stress-relieved), GBK (annealed)     Key Features   High dimensional accuracy and smooth bore Excellent machinability and weldability Superior strength-to-weight ratio Ideal for hydraulic and pneumatic systems Available in multiple heat treatment conditions   Chemical Composition   Gr…