brass conical spring washer alibaba china

brass conical spring washer alibaba china    Product Description brass conical spring washer alibaba china 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. brass conical spring washer alibaba china performance:
Around use temperature: 500 °C, melting point: 500 °C, hardness: 60 or higher hb before quenching, quenching after 45 hb or less.
2.brass conical spring washer alibaba china 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 brass conical spring washer alibaba china 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 brass conical spring washer alibaba china      brass conical spring washer alibaba china brass conical spring washer alibaba china   brass conical spring washer alibaba china   brass conical spring washer alibaba china   brass conical spring washer alibaba china    brass conical spring washer alibaba china 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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Product Categories : Copper Gasket