国产一级精品成人久久av无码免费,日韩在线看片中文字幕不卡,中文字幕在线激情日韩一区,日韩欧美成人免费中文字幕,国产精品一区二区免费看,日韩欧美一区二区三区在线视频,中文字幕在线免费视频,中文字幕精品视频在线观看,国产日韩不卡免费精品视频,日韩中文字幕电影在线观看,91精品乱码一区二区三区熟女精品,亚洲欧洲在线观看精品,日韩中文字幕福利电影

Main Products
for Prestressed Steel Products>> Main Products>> for Prestressed Steel
Products Grade: GSWRH82B-1
Specifications: φ15mm
Applied Standard:  Q/XG 175,agreement
Characteristics: The wire rod of SWRH82B-1 is mainly used for the pruduction of prestressed steel wire for large size high speed tract slab .
Applications: Railway pilow wire
Use of Products: The wire rod of SWRH82B-1 makes the feature of uniform-chemical composition, lower harmful elements, higher purity, slight decarburization, perfect surface quality, higher sorbite ratio,uniform properties along the coil and excellent drawing performance.