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Product description Length: 5 meters -----12 meters，negotiated. Diameter: 42 mm --273 mm Wall thickness: 3 mm ---14 mm Material: Q235 ( B ), Q345 ( B ), J55, X65, X70 etc. Executive standard: GB/T13792-92, GB/T3091-2001, GB/T9711.1-1997, API 5L, API 5CT,ASTM,ect. Complete products, quality assurance, reasonable price, all the year round supply! If you have any special requirement,pls contact and negotiate with us,we’ll happy to give you details。You can contact by liwenyachina at hotmail. Intention to create, the intentions of services, customer service to every detail is our eternal theme!

Ni 1.90% rejection 1.85%

553,441,3303,2202ect

553,441,3303,2202ect

#3303

553,441,3303,2202ect

Silicon metal 553 grade 553 grade

Mg≥99.95% Fe≤0.002 Si≤0.009 Al≤0.006 Mn≤0.015 Ne≤0.001 Cu≤0.005 TOTAL≤0.05% size: 630mm×137mm×65mm、 8kg/pc

SI:98.5%MIN FE: 0.5%MAX AL: 0.5%MAX CA:0.3%%MAX SIZE: 10~50MM OR 10~100MM 90%MIN

MN:99.7% MIN S:0.05%MAX C:0.04%MAX P:0.005%MAX FE+SE+SI:0.205%MAX SIZE：IN FLAKE

553,441,3303,2202ect

#2101（low P,with inspection report）

Coltan ore Nb2O5 20% min Ta2 O5 20 % min

Hong Kong Cheung Hing International Company Limited (HKCHI) is the leading company in the business of tungsten carbide scrap and tungsten spent catalyst recycling. Wanted : tungsten spent catalyst scrap; tungsten scrap We buy W, Co, Ni, W/Co mixed material Ni, Co, Ni/Co mixed material; metal ore, concentrate & scrap with long-lasting term

#2502