Hardened and tempered cold rolled blue steel strip SAE 1075 C75 CK75 C75S 65mn 51CrV4 75Cr1 SK4 SK5

Bluing steel strapping is to heat treatment the steels at about 200 degree centigrade and make the steel surface to form a layer of dense ferroferric oxide film. Its main ingredient is ferroferric oxide.
The layer of protective film can prevent iron rusts, before packing, you also can paint a layer of anti-rust oil to prolong the store time.

(Dense ferroferric oxide film can film the steel body isolated from air and water, and have the effect of anti rust) In general,they are 3-4 layer of packaging, or we can according to customer requirements for packaging.


Thickness, width, length, color, standard, material, etc. can all be customized .
Welcome to consult us , we are available online 24 hours a day！

Packing Details : Standard Seaworthy Packing.
Delivery Details :15~35days after receipt of L/C or deposit.

Yehui (Shandong) Steel Group Co., Ltd. i s located in jinan city, shandong province ,we enjoy convenient transportation. Company specializes in selling PPGI, galvanized steel coil, steel sheet, stainless steel sheet, steel pipe seamless and welded, aluminum coil, angel bar, H steel beam, and deformed steel bar and other steel products . Our products has been wildly sold to Northeast, North China, East China, Europe, Middle East, Southeast Asia, Australia and ect. Annual sales more than 10 million tons , and provides a variety of product customized processing services. Our company 'management has been engaged in steel industry for more than 20 years , full of experience for managing team and strong business relations with our valuable customers and factories. Yehui company always sticks to the following business principles : high quality products to win the market ; competitive price to attract customers ; excellent service to gain reputation.

Q: How can we trust your company? A: We specialize in steel business for many years, you are welcome to investigate in any way, anyway, you can place an order on Alibaba, with trade assurance, which can ensure your payment. Q. How do you guarantee the quality? A:①We have passed ISO9001, SGS, CE and other certifications; ②Always have pre-production samples before mass production, and always do final inspection before shipment; ③Acceptable third-party inspection. Q: About the product price? A: Due to the cyclical changes in raw material prices, prices vary from period to period. You can consult us, you can communicate with us online through the platform, WeChat, WhatsApp and other platforms, and we will reply within 24 hours. Please give us your requirements and specifications (steel grade, size, quantity, destination port), and we will work out the best price at the first time. Q: Can I visit your factory? A: Of course, we welcome customers from all over the world to visit our factory. However, some factories are not open to the public. Q: Can you send samples? A: Of course, we can send samples to all over the world, our samples are free, but customers need to bear the express cost. Q: How long is your delivery time? A: Generally speaking, our delivery time is within 15-45 days, if the demand is particularly large or there are special circumstances, the delivery time may be delayed.