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铸铁管生产随着社会主义经济建设的发展,无论对其产量还是质量都不断提出更高要求。摆在铸造工作而前一个亟待解决的问题是今后如何努力,采取什么措施来满足社会的需求。目前我国铸铁管生产在材质上主要以普通灰铁管为主,其年产量占铸铁管的95％以
Cast iron pipe production With the development of socialist economic development, both the production and quality are constantly put forward higher requirements. The urgent problem to be solved before the foundry work is how to work hard and what measures should be taken to meet the needs of the community. At present, the production of cast iron pipe in our country is dominated by ordinary gray iron pipes, whose annual output accounts for 95% of the total