Country：China>Shandong>WEIFANG
NO.2878, HAIDAI NORTH ROAD, DEVELOPMENT AREA, QINGZHOU CITY, WEIFANG, SHANDONG PROVINCE, CHINA.
Company：Weifang Leon Machinery Co.,Ltd.
Mobile：86-18706512695
Tell：86-0536-3090907
ST52 E355 Seamless Hone Tube Product Specification 1. Standard specification&material: EN*-1 E355 and equivalent standard and material like DIN2391-2 ST52. 2. Size range: 40mm*30mm - 480mm*450mm 3. Manufacture method: cold rolled,Website:http://www.leonhydraulic.com, hydraulic cold drawn 4. Delivery condition:? BK BKW BKS GBK NBK +C +LC +SR +A +N 5. Internal surface treatment method: honing or skiving and roller burnishing 6. OD tolerance: as per EN*-1 7. ID tolerance: H7,H8,H9,H10 or given by customer. 8. W.T tolerance(eccentricity): +/-5% 9. Bore roughness(Ra): 0.35um max. Mechanical Properties Chemical composition requirement of E355 material: Element C Si Mn ....
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