少妇被爽到高潮动态图,99久久无码一区人妻A片红豆,avav天堂,日韩少妇内射免费播放

Hello, welcome to the official website of huaibei yuanli metal products co., LTD.
服務(wù)手機TEL:13809005750
全國統(tǒng)一服務(wù)熱線

Service hotline:
0561-3158099

HOME-News-Industry dynamic
What is the difference between cold-rolled strip and hot-rolled strip?
Release time:2018-6-28 18:34:16      Number of clicks:1555
Although there is only one word difference between cold-rolled strip and hot-rolled strip, there is a big difference between them. What is the difference between cold-rolled strip and hot-rolled strip?
Cold-rolled steel belt manufacturer, said the cold rolling belt is a kind of hot-rolled steel belt or steel plate as raw material, processed and made out of a cold-rolled material, often has been widely used in engineering machinery, transportation machinery, construction machinery, lifting machinery, agricultural machinery, light industry and civil industry, etc. And hot rolled strip is what we call hot plate.
For cold rolling bring said, it is a way of cold rolling processing, surface without its scale, and the quality is good, compared with hot-rolled steel said, the nature is a way of hot rolling, the surface has a scale, and its thickness also have difference.
In addition, cold-rolled strips are more expensive in price, while hot-rolled ones are cheaper.
Of course, in terms of performance, the elongation and rolling speed of cold-rolled strip are superior to hot-rolled strip, which is also a great advantage of cold-rolled strip compared with hot-rolled strip.
Cold rolled strip is very different from hot rolled strip. Compared with hot rolled strip, cold rolled strip has many advantages in use.
The news that you are interested in
The last one:Nine steel slab continuous casting production time innovation high
Next:Two methods for deep processing of cold-rolled strip steel
Quality assurance
The good faith for this
Professional and
technical
Advanced equipment
Intimate after-sales

We must pursue perfection, service equipment manufacturing, technology innovation and quality development