av免费不卡在线观看网址,黄色视频大全ww,h在线观看网站,亚洲视频在线免费观看,男人天堂视频在线播放,日本女同羞羞视频,jk美女隐私视频网站

Main Products
Products Grade: 36MnB4、20MnB4
Specifications: φ5.5～40mm
Applied Standard:  agreement
Characteristics: This product is mainly used to produce high strength self piercing rivet
Applications: Common partschassis partsHigh strength fastener
Use of Products: The 36MnB4 product produced by Xingtai steel has the advantages of stable composition, high purity of steel, small decarburization layer, less surface defects and good hardenability.It’s used to make high strength Self Piercing Rivets(SPR rivets) for aluminum vehicle body by a customer of XINGTAI STEEL Which reflects that the product has stable performance, good cold heading performance, good strength and toughness after tempering, and can meet the use requirements of the final product.