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黑铁丝 柔软黑退火铁丝 建筑绑扎丝 火烧丝 铁丝铁线 工厂直销

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  • Stock num 98789989 piece
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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,使其缓慢冷却以获得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)清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:


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Update time:20251208125311


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