97超碰人人澡人人,久久久一区二区,亚洲天堂色图片,7777精品伊人久久久大香使用方法,国产午夜一区,日韩av中文字幕一区二区,国产黄色大片儿

Main Products
Products Grade: H08A
Specifications: φ6.5mm
Applied Standard:  GB/T 3429
Characteristics: H08A is mainly used to produce various welding rod.
Applications: Eletrode steel
Use of Products: The product strictly controlled chemical content and the inclusions. It has characteristics of low percentage of harmful elements and good surface quality. By rational controlling the chemical composition and optimizing rolling process, the drawing and welding properties of the wire rod are guaranteed. It also has characteristics of easy drawing and mould saving when using.