M48 1.3207 SKH57 High Speed Tool Steel - Fushun Special Steel Co., Ltd. - Professional Supplier of Special Steel, and Manufacturer of Tool Steel
China High-Speed Tool Steel DIN 1.3247 1.3243 1.3207 1.3348 1.3343 - China China High-Speed Tool Steel DIN 1.3247 1.3243, High Speed Steel | Made-in-China.com
Birlesik Metal & Special Alloys / High Speed Steel