Metal deforming – With cleaning – descaling – or lubrication of work or product – Lubricating
Patent
1998-10-23
1999-11-16
Moore, Margaret G.
Metal deforming
With cleaning, descaling, or lubrication of work or product
Lubricating
72 96, 72 97, 72 68, 72100, B21B 4502
Patent
active
059836890
ABSTRACT:
A lubricant is provided for use in hot working such as cross-roll rolling of a seamless steel pipe. It effectively reduces the friction coefficient between the working tools and the material under the hot work, thus extending the lives of the tools. The lubricant contains: (A) from about 10 to about 60 wt % of alkali silicate; (B) from about 1 to about 20 wt % of silane coupling agent; (C) from about 0.1 to about 5.0 wt % of at least one kind of alkali compound selected from a group consisting of an alkali hydroxide, an alkali carbonate, an alkali borate and an alkali salt of mineral acid; and (D) from about 30 to about 70 wt % of water. Alternatively, the lubricant contains: (A) from about 10 to about 60 wt % of alkali silicate; (B) from about 1 to about 20 wt % of silane coupling agent; (C) from about 0.1 to about 5.0 wt % of at least one kind of alkali compound selected from a group consisting of an alkali hydroxide, an alkali carbonate, an alkali borate and an alkali salt of mineral acid; (D) from about 5 to about 50 wt % of water; (E) from about 10 to about 60 wt % of iron oxide; and (F) from about 0.1 to about 5.0 wt % of at least one additive selected from a group consisting of a dispersant and a thickening agent.
REFERENCES:
patent: 5859124 (1999-01-01), Yorifuji et al.
Kanayama Taro
Kita Masaharu
Shimamoto Ken
Toyooka Takaaki
Yorifuji Akira
Kawasaki Steel Corporation
Miller Austin R.
Moore Margaret G.
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