The customer sent such thick steel sheets, what material is this? скачать в хорошем качестве

The customer sent such thick steel sheets, what material is this?

Dear friends, welcome to [Blacksmithing Skills Chinese]! This is the place where blacksmithing skills are passed down, shining with the light of ancient intangible cultural heritage✨. We focus on showing the unique charm of the ancient craft of blacksmithing. In the sound of ding-dong hammers, you will witness how cold iron blocks are gradually transformed into exquisite and practical tools by the hand-made craftsmanship of blacksmiths. We solemnly promise that all videos have obtained formal authorization from creators in mainland China and strictly follow the various guidelines and requirements of the platform to ensure that you are presented with authentic, legal and compliant blacksmithing skills content. If you are interested in blacksmithing skills and are attracted by this ancient intangible cultural heritage, please be sure to subscribe to our channel and click the small bell icon so that you can get our latest videos as soon as possible!