масло закаленного стального провода

oil tempered steel wire 1. General Introduction: All raw material is procured from BAO STEEL, the most guaranteed and biggest manufacturer for alloy wire rod in China. State-of-the-art and well-developed technique as well as leading edged systematical processing line have brought guarantee to quality and confidence to our partners. From wire drawing to heating furnace, all-time temperature supervision automatically by sensoring device, oil-tempering, winding, stress relief, packaging. All these procedures are precisely controlled. 2. Main range of applications: (1). Suspension spring for vechiles (2). Valve spring (3). Mechanical spring for important usage 3. Material available: (1) SAE9254-55SiCr (2) 60Si2Mn (3) SAE6150-50CrV (4) 65Mn (5) High-carbon spring steel for VD,FD, ASTM-A229 grade I 4. Specifications: 1.80mm-15.00mm to comply with standards DIN17223-2-1990, ASTM-A229, 230, 231, 232, 401