Spring flat steel
1.Matrial: 65Mn, 60Si2Mn, 50CrVA, SUP-9 etc
2. Type: smooth plain, double groovel
3. Size: width 40-150mm, thickness 6-30mm, length2-8m
4. Specification: a variety of sizes from 6*40 to 30*150mm
5. Usage: automobile laminated leaf spring suspension agricultural machinery & implements, tools and machines etc