Baoji Zhipu Non-Ferrous Metals Processing Co.,Ltd is one of the most famous China tungsten plate manufacturers and suppliers, welcome to wholesale cheap tungsten sheet products from our company and factory. Product Information   Product Name Tungsten Plate Grade W1, W2 Purity W≥99.95% Standard ASTM B760-07, GB/T 3875-2006 Flatness ≤3% Specification Thickness: 0.10-25.0mm, Width: ≤750mm, Length: ≤2000mm Surface State 1. Hot alkaline cleaning surface 2. Electrolytic polishing surface 3.Cold rolling surface 4. Machining surface Origin China, Shannxi, Baoji Process Tungsten billets(raw materials) - Inspection - Hot - Leveling and annealing - Alkaline cleaning - Inspection-Provenzano - Vacuum annealing - Leveling - Shear vacuum annealing - Inspection - Packing   Standard Of Thickness Tolerance   The thickness of the tungsten plate and the allowable deviation shall be in accordance with the following requirements. When the contract does not specify the product thickness deviation of the grade, according to the class II deviation. The unit is mm. Thickness 0.10~0.20 ＞0.20~0.30 ＞0.30~0.40 ＞0.40~0.60 ＞0.60~1.0 ＞1.0~2.0 ＞2.0~0.40 ＞4.0~6.0 ＞6.0 Allowable deviation GradeⅠ ±0.02 ±0.025 ±0.03 ±0.04 ±0.06 ±0.10 ±0.20 ±0.30 ±6% GradeⅡ ±0.03 ±0.035 ±0.04 ±0.05 ±0.10 ±0.20 ±0.30 ±0.40 ±8%   Applications   1. Suitable for producing ion implantation parts 2. For producing electric light source parts,components of electric vacuum 3. For producing W-boats,heat shield and heat bodies in high temperature furnace 4. Used for tungsten sputtering target