Dongguan Strait wholesale import agent: CK60 spring steel / CK60 spring steel / CK60 spring steel, high-quality products, excellent price, quality assurance, strong, warmly welcome all customers purchasing samples, call us! Strait of spring steel stock company size and specifications are as follows: [] Spot spring steel specifications :0.1-10 .0 mm] [spring steel bar stock specifications :2.0-150mm Specification】 【spring steel stock specifications: Thickness from 0.1mm-3.0mm width 5mm-1000mm 【spring steel / roll] Spot Specification: Thickness 1.0-60.0mm Width: 1260mm Length: 8000mm [steel] Spot hard materials Specification: Thickness 0.15mm-3.0mm Width 5mm-600mm spot tablet specifications according to user needs, slitting, cutting, heat treatment and other processing services, special specifications, hardness, plus or minus tolerances, surface requirements can be customized production. and provide users with home delivery, and 17% of the votes logistics agency, with the goods with the original material and SGS certificate / MSDS / ROHS environmental report Strait direct wholesale of imported spring steel (Advantages): Has good elasticity \ resilience \ flexibility \ fatigue resistance \, after bending without cracking, high purity and uniformity, no trachoma decarbonization and after plating surface with excellent results, positive and negative tolerances uniform, high accuracy, stable performance and resistance to high (low) temperature quenching easily broken and so on merit. ================== Direct Channel Metal Materials Co., Ltd. =========================== United States Agency Fen cola, Germany Sa Site, Sumitomo, Nippon Steel, Taiwan's China Steel, Baosteel, Anshan Iron and Steel, Shougang and other large steel materials, and strive to become one of the largest agents in southern China. Straits Metals to seek material advantages to scale for market, honest, effective, positive, responsible is our attitude. Material guarantees the supply chain efficiency, customer trust is our stop marketing to create the foundation of the market, the Straits will continue to provide customers with quality materials, different specifications, technical service perfect, delivery time and so many customers to win recognition and trust. Unified national hotline :400 -669-1516. ============================================= CK60 spring steel chemical composition : Carbon C: 0.57 ~ 0.65 Si Si: 0.17 ~ 0.37 Manganese Mn: 0.50 ~ 0.80 Sulfur S: ≤ 0.035 Phosphorus P: ≤ 0.035 Chromium Cr: ≤ 0 .25 Ni-Ni: ≤ 0.25 Copper Cu: ≤ 0.25 CK60 spring steel mechanical properties: Tensile strength σb (MPa): ≥ 675 (69) Yield strength σs (MPa): ≥ 400 (41) Elongation δ5 (%): ≥ 12 Reduction of area ψ (%): ≥ 35 Hardness: no heat treatment ≤ 255HB; annealed steel ≤ 229HB Sample size: Sample size is 25mm CK60 spring steel Heat treatment and microstructure specifications: Heat treatment specifications: normalizing, 810 ℃. Delivery status: to no heat or heat treatment (annealing, normalizing or tempering) state delivery. CK60 spring steel Features and Scope: CK60 spring steel, strength, hardness and elasticity are high, cold plastic deformation is low, poor cutting, welding, and poor hardenability, water quenching cracks tend to have large parts and more using normalizing. CK60 spring steel for the manufacture of shaft, coil, shaft, various gaskets, cam, rope and other larger force, the friction conditions of work, higher strength, abrasion resistance and a certain elastic parts. ============================================= Strait companies prompts the user to: Custody of metallic materials should be selected and the Treasury an appropriate venue, venue or warehouse storage steel should be selected in the clean, smooth drainage area, away from harmful gases or dust factories. Presence on the ground to clear the weeds and all debris, keep the steel clean and 2, in a warehouse not with acid, alkali, salt, cement, etc. There are corrosive for steel materials stacked together. Different varieties of steel should be piled separately, to prevent confusion, to prevent contact corrosion 3, a large steel, rails, thick steel plate, large diameter steel pipes, forgings, etc., may open dumps four, small and medium steel, wire rod, rebar, public diameter steel pipe, wire and rope, etc., can be expected in a well-ventilated storage shed, but must be on the thatch Xiadian 5, some small steel, sheet steel, steel, silicon steel, small diameter or thin-walled steel pipe, a variety of cold-rolled, cold-steel and the price is high, corrosive metal products, storage 6 can be stored, the Treasury should be selected according to geographical conditions, the general ordinary enclosed warehouse, ie roof with walls, doors and windows tight, with ventilation of the Treasury 7, the Treasury requirements Sunny attention to ventilation, rain close attention to moisture, and keep a suitable storage environment =================================== ========== Metal Materials Co., Ltd., Dongguan City, Straits Dongguan City Straits metallic material CO.LTD Sales Hotline :400 -669-1516 Fax 0769 -85,375,005 0769 -85,386,006 picking query processing center: 0769 -85,387,007 Strait Ministry of Steel [has passed third-party certification authority site certification] Pu: http://dghx678.cn.alibaba.com/ =================== ========================== a direct sales business, to help customers reduce intermediate links, quality assurance, reasonable price and two, customers can pick and choose their own the required length of steel or other requirements three, Swap library missing specifications, eliminating the need to run around your toil four steel procurement, delivery or transportation, straight hair your location five weekends and holidays, delivery short period six, the sale of steel products, the company responsible for the overall quality tracking, you exclude worries seven, the company can supply raw material of steel attached to steel book eight, welcome friends from various circles at home and abroad come to call to discuss! http://www.sk5sk7.com/ (Product Information security check) ======= [casting environmentally friendly materials to build Centennial Strait] =========