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Categories:Stainless Steel Buckles Telephone:0086-21-61182423 Country/Region:china ... smaller, but decarbonization tend to be larger, especially silicon and carbon content when high, easy graphitization of carbon, the steel becomes brittle. 55Si2Mn spring ...[DOC] A11552 55Si2Mn steel plate, 55Si2Mn spring... |
Shanghai Katalor Enterprises Co., Ltd
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