彩鋼鐵皮板840/750型輥壓冷彎-波浪瓦鋼結(jié)構(gòu)建筑橫鋪壓型鋼
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¥38.80
≥2500
¥37.51
≥11200
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使用不同基板制作成的彩鋼板,其性能、用處也有所不同。更具使用基板來(lái)分,彩鋼板可以分為冷軋基板、熱鍍鋅基板、電鍍鋅基板等幾類(lèi)。對(duì)壓
型鋼板板型來(lái)說(shuō),淺波板的板型優(yōu)于高波板。對(duì)鋼板強(qiáng)度來(lái)說(shuō),強(qiáng)度加工后的板型變差的趨勢(shì)越明顯。高強(qiáng)鋼的板型相對(duì)較差還有另外一個(gè)原因就
是很多彩涂生產(chǎn)廠(chǎng)僅靠降低熱鍍鋅的退火溫度來(lái)提高材料的屈服強(qiáng)度,這樣就會(huì)導(dǎo)致鋼板寬度方向上力學(xué)性能的不均衡。這種不均衡是由整個(gè)寬度
方向帶鋼溫度的不均勻引起的,溫度下降可能導(dǎo)致部分部位溫度低于鋼板再結(jié)晶的退火溫度。
The color steel plate made of different substrate, its performance, use are also different. More use substrate to divide, color steel plate can be divided into
cold rolled substrate, hot galvanized substrate, galvanized substrate and other categories. For the pressed steel plate type, the shallow wave plate type is
better than the high wave plate. For the strength of steel plate, the trend of plate shape variation after strength processing is more obvious. Another reason
for the relatively poor plate shape of high strength steel is that many color coating manufacturers only reduce the annealing temperature of hot-dip
galvanizing to improve the yield strength of the material, which will lead to the imbalance of mechanical properties in the width direction of the steel plate.
This imbalance is caused by the inequality of the strip temperature in the whole width direction, and the temperature drop may lead to the temperature
below the annealing temperature of the plate recrystallization.