heat Treat Mentgrade:cold Drawn,ceterless Grinding,q+tchemical composition: c:0.35-0.42; si:0.80-1.20;mn:0.25-0.50;p ≤0.030;s≤0.020;cr:4.80-5.50;mo:1.20-1.50;v:0.85-1.15 delivery : heat treatment annealed ≤235 hb surface finishing : cold drawing or centerless ground diameters : from 2mm to 120mm diameter tolerance : iso h7,h8, h9 ,h10 delivery lengths: 1000-6000mm or as per customer’s requset straightness:0.5mm/m quality : high precision sizes ; optimal machinability on annealead status; defects and decaburisation free ; excelent finishing and straightness. heat treatment: quenched in 1030-1050℃, tempered more than twice in 580-620℃ protection: slight rust proof oil packaging: max 1000kgs with correct packaging to avoid contacts with water and humidity, bars ...
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