缸体：压铸铝合金ASTM6063，阳极氧化处理UNI4522。端盖：压铸铝合金UN15076，外涂高强度防腐热塑性聚脂涂层。活塞：压铸铝合金UN15076。回转轴：钢AISISAE11L37（镀锌合金钢），非电镀镍板ASTNB656。导向套：低摩擦材料醇缩醛树酯。连接件：硅熔胶精铸40Cr。密封：橡胶BUNAN（根据需要可用VITON或EPDM）。螺丝：304不锈钢Cylinderbody:die-castingaluminumalloyASTM6063,anodicoxidationtreatmentUNI4522EndCap:die-castingaluminumalloyUN15076,coatingwithhigh-strengthanticorrosionthermalplasticpolyster.Piston:die-castingaluminumalloyUN15076Axisofrevolution:steelAISISAE11L37(Galvanizedalloysteel),non-galvanizationnickelplateASTNB656.Guidesleeve:lowfrictionmaterialacetalresin.Connectingpiece:siliconprecisioncasting40Gr.Sealing:rubberBunan(useVITONorEPDMwhenneeded)Screw:304stainlesssteel.)