冷镦钢用热轧盘条
| 名称 |
牌号 |
规格 |
执行标准 |
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
供货手艺协议 |
0.18-0.23 |
≤0.10 |
0.70-1.00 |
0.030 |
0.035 |
Al≥0.02 |
金相组织好，外貌缺陷少，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标准要求。 |
主要用于种种紧固件、自攻丝、焊钉等种种标准件。 |
| 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 |
冷镦钢系标准件制造行业所需的主要原质料，产品标准为GB/T6478，用来制作种种规格的螺栓、螺帽、螺钉等工件。此钢种由于冷镦加工历程中变形量大，要求钢中硫、磷等含量低、杂质少，加工性能和机械性能优异，轧制公差尺寸准确。我公司已能生产出知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.
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