... : Black or annealed or normalizing(optional) APPLICATIONS:Plain carbon steel for mechanical engineering and automotive components.It is usually supplied ... , Peeled K12, Cold Drawn, Turned & Polished H10, H11, Precision Ground H9, H8Forged ratio: no less than 3:1 Test: Ultrasonic ... of Quality. Packing: Plastic reel shaft, and bound, iron wire frame, the paper barrel etc Delivery: products in stock can ...