Features of spider fitting: This product is one special style of the two-arm spider, withtwobranches spreaded.The material is SS304, 316, 316L, It's suitable for the glass curtain wall's particular position. We have brilliant quality and good prestige, we can also supply the best product and the perfect service to every client. Welcome you to purchaseour manufactures. Name SurfaceMaterialSpiderSatinPearlsandMirror 304 316Table 1. Reduced Section Tensile Test Sample Reference Stainless Steel SpiderMeasured Mean Diameter(mm)8.06 Cross-sedtional Area,So(mm²) 51.02 0.2% Proof load(KN) 13.7 0.2%Proof Stress(N/mm²) 268.5 Maximum Load (KN) 25.4 Tenslle Sterength (N/mm²) 523Elongation on 5.56 √90 Gauge Length (%)19 Position ot Fracture Fractured within gauge markTable 2. Chemical Composition Sample Reference Element Stainless Steel Spider Carbon,C (%) 0.056 Sillcon,Si (%) 0.929 Manganese, Mn(%) 1.170 Phosphorous,P(%) 0.029 Sulphur,S(%) 0.012 Chromium,Cr(%) 17.00 Nickel,Ni(%) 10.34 Molybdenum,Mo(%) 2.010 Re Y% 0.47