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HOT ROLLED SPRING STEEL FLAT BAR-55Cr3, 60Si2Mn, 50CrV4, US $ 680 - 730 / Ton, 55Cr3,60Si2Mn,50CrvA, 51CrV4, Width 40-127 spring flat bar, AiSi, ASTM, bs, DIN, GB, JIS, As you arranged.Source from Tianjin Qiangbang Industrial Co., Ltd. on Waimaotong.com.