Assertion: high phosphorus iron | /r/HasProperty | some as high as 0.57%
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Source sentences:
text: It is generally avoided, because it is difficult to work, except in China where high sulfur cast iron, some as high as 0.57%, made with coal and coke, was used to make bells and chimes (Rostoker, Bronson & Dvorak 1984, p. 760).