| 主权项 |
1. An electroconductive roller, comprising:
an electroconductive supporting shaft; an adhesive layer on the electroconductive supporting shaft; and an electroconductive layer on the adhesive layer, wherein: the adhesive layer contains a phenol resin; the electroconductive layer contains an epichlorohydrin rubber; the electroconductive supporting shaft comprises ferrite-based stainless steel; a mass % composition of the ferrite-based stainless steel contains: 0.001% to 0.020% of carbon, 0.001% to 0.020% of nitrogen, 0.010% to 0.500% of silicon, 0.050% to 1.000% of manganese, 0.040% or less of phosphorus, 0.010% or less of sulfur, 12.000% to 25.000% of chromium, at least one of titanium and niobium, the titanium being incorporated at a content of from 0.020% to 0.500%, and the niobium being incorporated at a content of from 0.020% to 1.000%, and at least one of tin and antimony, the tin being incorporated at a content of from 0.005% to 2.000%, and the antimony being incorporated at a content of from 0.0050% to 1.000%; and the balance of the composition comprises iron and an inevitable impurity. |
