两个黑人大战嫩白金发美女,青青视频观看免费99,久久久久99精品成人片直播 ,性视频在线任你躁五十六十少妇

Welcome to the official website of Suzhou Sutong special cold drawn steel Co., Ltd!
Ch En
Your location: Home > Information Dynamics > Industry trends

What is the difference between cold drawn section steel and ordinary section steel

Source:/      Release date: 2022年06月29日
Information summary:The concept of drawing steel is different from that of profiled steel, because although cold drawing steel belongs to profiled steel and is a common name different from the simple section steel, it can be divided into cold drawing and hot rolling processes. Therefore, cold drawn section steel and profiled steel are different
All friends who know about steel products know that there are two types of section steel, namely, cold drawn section steel and ordinary shaped steel. However, they do not know the difference between these two steel products. So, what is the difference between them?
Cold drawn section steel
   the concept of cold drawn section steel is different from that of profiled steel, because although cold drawn section steel belongs to profiled steel and is a common name different from simple section section steel, profiled steel can be divided into cold drawing and hot rolling processes. Therefore, cold drawn section steel and profiled steel are different.
   what are the production skills of cold drawn section steel?
   the skill selected for cold drawing profile steel is cold drawing skill, and the mold may be used. After drawing, the surface shall be smooth and flat without any defects. And in terms of accuracy, it is also required to meet the standard without any deviation.
The above is the difference between cold drawn section steel and ordinary section steel summarized by Suzhou Sutong special cold drawn Section Steel Co., Ltd. for you. If there is any relevant knowledge you don't understand
许昌县| 罗平县| 荥经县| 桂林市| 通城县| 芜湖市| 张家口市| 扶余县| 拉孜县| 天台县| 彰武县| 巴林左旗| 哈尔滨市| 浙江省| 固原市| 光山县| 靖宇县| 含山县| 桃园市| 泗洪县| 壶关县| 仲巴县| 敖汉旗| 广宗县| 华阴市| 鸡泽县| 连州市| 万州区| 清水县| 廉江市| 乌海市| 武陟县| 肥西县| 上犹县| 洛宁县| 婺源县| 苏尼特右旗| 凌云县| 台南县| 万山特区| 潢川县|