copper spring washer china supplier

copper spring washer china supplier    Product Description copper spring washer china supplier commonly known as oxygen free copper gaskets,Copper Ring Gasket adopts mechanical cutting method and its excellent softness can fill uneven parts on the surface of the flange.Application temperature range, low leakage. 1. copper spring washer china supplier performance:
Around use temperature: 500 °C, melting point: 500 °C, hardness: 60 or higher hb before quenching, quenching after 45 hb or less.
2.copper spring washer china supplier has good sealing performance, can be made by cold, thermoplastic processing all kinds of semi-finished products and finished products, to ensure that the metal surface and flange sealing surface fit closely.Apply the highest temperature is 800 degrees.Apply pressure 2.0 Mpa - 42 Mpa.  
3.The purpose of copper spring washer china supplier annealing is to soften it.When it is necessary to bend was to prevent the fracture and shrinkage cavity (tube), need annealing.If only seal, don't need annealing.When installation, as long as the fastening, can seal.  Detailed Images copper spring washer china supplier      copper spring washer china supplier copper spring washer china supplier   copper spring washer china supplier   copper spring washer china supplier   copper spring washer china supplier    copper spring washer china supplier application area   Properties of produc  

The mechanical properties of ordinary copper sheet
Performance	value
	Worked copper	Annealed copper	Cast copper
Elastic stress σ e/MPa	280-300	20-50	--
Yield strength σ s/MPa	640-350	50-70	--
Tensile strength σ b/MPa	370-420	220-240	170
The rate of elongation δ/%	4-6	45-50	--
The rate of contraction section ψ /%	35-45	65-75	--
Hardness of HBS	110-130	35-45	40
Shear strength σ t/MPa	210	150	--
The impact toughness σ k/J.	--	16-18	--
Compressive strength σ y/MPa	--	--	157
Brusquerie upsetting φ /%	--	--	65

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