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冷镦钢用热轧盘条

名称 牌号 规格 执行规范 化学因素剖析(熔炼因素)% 性能特点 用途
C Si Mn P  ≤ S  ≤ 其他
冷镦钢用热轧盘条 SWRCH22A F5.5-6.5 JIS G3507-1
 
供货技术协议
0.18-0.23 ≤0.10 0.70-1.00 0.030 0.035 Al≥0.02 金相组织好,外表缺陷少,钢质纯净度高,尺寸精度高,冷镦开裂率低。产品性能等高于相关规范要求。 主要用于各种紧固件、自攻丝、焊钉等各种规范件。
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
冷镦钢系规范件制造行业所需的主要原资料,产品规范为GB/T6478,用来制作各种规格的螺栓、螺帽、螺钉等工件。此钢种由于冷镦加工过程中变形量大,要求钢中硫、磷等含量低、杂质少,加工性能和机械性能良好,轧制公差尺寸精确。我公司已能生产出满足冷镦用途的冷镦钢盘条,生产的ML08、ML35、ML40Cr规格为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.