三级片a片无码_蜜乳AV成人电影_丝袜足交视频在线_日韩精品中文字幕亚洲专区腿精_安徽搡BBBB槡BBBB_欧美日B操B_非洲AV成人无码久久精品_av尤物_www.亚洲黄_WWWWWW美国黄片_蜜乳av影视_久久久亚洲成人AV无码电影_A片免费看在线不卡_国产无码8区_日屄福利视频

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.