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铁丝 黑铁丝工厂直销 黑铁丝 黑退火铁丝 建筑捆扎丝 建筑绑丝

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  • Description


产品名称8号-22号 柔软黑退火铁丝 建筑绑扎丝

品牌雷德隆

颜色黑色

材质:优质低碳钢丝

交货状态:冷拉和退火两种。

表面处理技术:退火,即将金属加热到一定温度,保持足够时间,随后在炉中或埋入炉中或导热性较差的介质中,使其缓慢冷却已获得接近平衡状态的稳定的组织的一种金属热处理工艺。

退火的目的

(1)降低钢的硬度,提高塑性,以利于切削加工及冷变形加工。

(2)消除钢中的残余内应力,以防止变形和开裂。

(3)细化结晶组织,均匀钢的组织和成分,改善钢的性能或为以后的热处理做准备。

抗拉强度:tensile strength)

光面钢丝的抗拉强度是390MPa;

镀锌钢丝的抗拉强度是365MPa;

冷拉钢丝一般是635-1000MPa;

制订用是540-1320MPa,丝径越大,抗拉强度越小。

退火钢丝的抗拉强度在295-500MPa

线径(尺寸):4mm,3.6mm,3.0mm,2.5mm,2.0mm,1.6mm,1.2mm,0.9mm,0.8mm,0.71mm

型号: 8号 9号 10号 ,12号,14号,16号,18号,20号,21号,22号。

卷重25kg,50kg为常规卷重,也可按要求生产。

包装内塑外麻,内塑外编,纸箱,托盘. 

包装规格:每卷25kg,每捆五卷,其他包装可定制

用途:用于建筑施工,矿山,化工,焊网,焊衣架,再加工等。退火后铁丝变软,柔韧度增加,做建筑绑丝、绑扎钢筋效果更佳。


产品细节图:


工厂图片:


装柜图片:



Update time:20241214160546


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