ASTM A519 4140 Honed Seamless Steel Tube For
ASTM A519 honed seamless steel tube for hydraulic cylinder. Standard: ASTM A519. Materials: 4140. Technical: cold-drawn seamless. Delivery Condition: BK.BKW,BK+S,GBK,NBK. Straightness: 0.5mm/1m max for tubes below …
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