Baoji Zhipu Non-Ferrous Metals Processing Co.,Ltd is one of the most famous China tungsten tube manufacturers and suppliers, welcome to wholesale cheap tungeten pipe products from our company and factory. Product name tungsten tube Brand W1 and W2 Purity W1 99.92% or higher Standard GB/T 4187-4187, ASTM F288-90 Delivery status sintering state or processing state     Tungsten tube commonly used specifications(melting point: 3410 ℃, using temperature: 3410 ℃) :   Outside diameter x thickness x length Outside diameter x thickness x length Φ6x1.0x550 Φ8x1.5x550 Φ6x1.0x650 Φ8x1.5x650 Φ6x1.0x750 Φ8x1.5x650 Φ8x1.0x550 Φ10x1.5x550 Φ8x1.0x650 Φ10x1.5x650 Φ8x1.0x750 Φ10x1.5x750   Note: the above for the commonly used specifications, customers if you need special specifications, can provide processing customization. Packing: 1 inner packing with waterproof paper. 2. The second packing kraft paper. 3 the third layer of packing foam. 4. The final will be packing plywood boxes . Areas of application: mainly used in the thermocouple protection tube inside the high temperature furnace, sapphire single crystal furnace, high temperature sintering furnace supporting elements, etc.