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冷鐓鋼用熱軋盤條

名稱 牌號 規(guī)格 執(zhí)行標準 化學成分分析（熔煉成分）% 性能特點 用途
C Si Mn P  ≤ S  ≤ 其他
冷鐓鋼用熱軋盤條 SWRCH22A F5.5-6.5 JIS G3507-1
 
供貨技術(shù)協(xié)議		 0.18-0.23 ≤0.10 0.70-1.00 0.030 0.035 Al≥0.02 金相組織好，表面缺陷少，鋼質(zhì)純凈度高，尺寸精度高，冷鐓開裂率低。產(chǎn)品性能等高于相關(guān)標準要求。 主要用于各種緊固件、自攻絲、焊釘?shù)雀鞣N標準件。
SWRCH25K F5.5-20 0.22-0.28 0.10-0.35 0.30-0.60 0.030 0.035  
SWRCH35K F5.5-24 0.32-0.38 0.10-0.35 0.60-0.90 0.030 0.035  
ML08Al F5.5-24 GB/T 6478 0.05-0.10 ≤0.10 0.30-0.60 0.035 0.035 Al≥0.02
ML40Cr F5.5-24 0.38-0.43 0.10-0.30 0.60-0.90 0.025 0.025 Cr 0.90-1.20
冷鐓鋼系標準件制造行業(yè)所需的主要原材料，產(chǎn)品標準為GB/T6478，用來制作各種規(guī)格的螺栓、螺帽、螺釘?shù)裙ぜ４虽摲N由于冷鐓加工過程中變形量大，要求鋼中硫、磷等含量低、雜質(zhì)少，加工性能和機械性能良好，軋制公差尺寸精確。我公司已能生產(chǎn)出滿足冷鐓用途的冷鐓鋼盤條，生產(chǎn)的ML08、ML35、ML40Cr規(guī)格為φ5.5mm～φ16mm。As the main raw material needed by the standard pieces manufacture industries, the cold heading steel, standard executed is GB/T6478—2001, is used to make work pieces in every specification such as bolt, screw, nut etc. Because of the large deformation in the process of cold heading, the steel grade is required to have less content of sulfur and phosphor, less impurity, excellent machining and mechanical performances and accurate rolling tolerances. Our company already could produce the cold heading steel wire coil for cold heading in grade of ML08,ML35 and ML40Cr with diameters range of φ5.5mm～φ16mm.