DIN2391 ST52.3  Honed tubeGrade：ST 52Size range：Inside diameter from 40 to 1000mm, Max length 20 meters.Straightness: 0.5 /1000Tolerance EXT: DIN 2391Tolerance INT: ISO H8Roughness(Ra): 0.2 t

Hydraulic cylinder Application industry: machinery, mine, metallurgy, shipping, water conservancy, etc. Working Length from 50mm to 16000mm Tube inner diameter range from 40mm to 1000mm Pist

Stainless Steel pipe Standards: ASME/ASTM: A312, A269, A213, DIN 17456, etc.Steel Grade: TP 304, 304H, 304L, 316, 316L, 316Ti, 317, 321, 321H, 347, 347H, 309S, 310S, 904L etc. Pipe size rang

CHROME PLATED BAR (PISTON ROD) Material: CK45 Size range:Outside diameter from 12 to 500 mmMax length 16 meters CHEMICAL COMPOSITION (%) CMnSiMax (Max)SMaxPMax0.40-0.500.60-0.900.0