Stainless Steel Screw

Pearl Overseas is a reliable organization engaged in Manufacturing, Suppling, Exporting & Importing for Stainless Steel Scerw Stainless steel screws originate from the steel industry's peak in the early 1900s and have grown to include a few different formulas over time, the most common being ferritic, austenitic and martensitic. These varieties are characterized by their content of minerals like chromium, nickel, titanium and copper. GradeChemical Composition1 (% maxima unless stated) CSiMnPSCrMoNiCuN A1 0.12 1.00 6.5 0.020 0.15/0.35 16.0-19.0 0.70 5.0-10.0 1.75-2.25 – 2 3 4 A2 0.10 1.00 2.00 0.050 0.030 15.0-20.0 –5 8.0-19.0 4.0 – 6 7 A3 0.08 1.00 2.00 0.045 0.030 17.0-19.0 –5 9.0-12.0 1.00 – 8 A4 0.08 1.00 2.00 0.045 0.030 16.0-18.5 2.00-3.00 10.0-15.0 4.0 – 7 9 A5 0.08 1.00 2.00 0.045 0.030 16.0-18.5 2.00-3.00 10.5-14.00 1.00 – 8 9 A8 0.030 1.00 2.00 0.040 0.030 19.0-22.0 6.0-7.0 17.5-26.0 1.50 – – C1 0.09-0.15 1.00 1.00 0.050 0.030 11.5-14.0 – 1.00 – – 9 C3 0.17-0.25 1.00 1.00 0.040 0.030 16.0-18.0 – 1.50-2.50 – – C4 0.08-0.15 1.00 1.50 0.060 0.15-0.35 12.0-14.0 0.60 1.00 – – 2 9 F1 0.08 1.00 1.00 0.040 0.030 15.0-18.0 –10 1.00 – – 11 12 D2 0.040 1.00 6.00 0.040 0.030 19.0-24.0 0.10-1.00 1.50-5.5 3.00 0.05-0.20 13 D4 0.040 1.00 6.00 0.040 0.030 21.0-25.0 0.10-2.00 1.00-5.5 3.00 0.05-0.30 14 D6 0.030 1.00 2.00 0.040 0.015 21.0-23.0 2.50-3.5 4.5-6.5 – 0.08-0.35 – D8 0.030 1.00 2.00 0.035 0.015 24.0-26.0 3.00-4.5 Specifications: Outer diameter: 9 - 60 mm