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ASTM AISI 1212 1215 1140 1144 Бесплатно сечење челична шипка
ASTM AISI 1212 1215 1140 1144 Free Cutting Steel bar are high sulfur medium-low carbon free-cutting steel, which has better cutting performance compared with 10# 25# 35# 45# steel, ASTM 1212 1215 1140 1144 can increase tool life by four пати, ја зголемува продуктивноста за 30%, и има поголема цврстина и цврстина.
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