1.6981 21CrMoNiV4-7 Metal Forged Part / EN10269 Forged Rings Customized
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1.6981 21CrMoNiV4-7 Metal Forgings EN10269 Forged Rings Forged Rings Introduction The ring rolling process starts with a circular preform of metal that has been previously upset and pierced (using the open dieforging process) to form a hollow “doughnut......
Jiangyin Fangyuan Ringlike Forging And Flange Co., Ltd.
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