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Conpany Profile
Product Details
Equipped with one of the best tool steel rolls brands, Kaida Roll Group is one of competitive tool steel rolls manufacturers and suppliers in China, welcome to visit our website.
Tool Steel Rolls
Tool steel rolls newly developed by our company are manufactured in base of hot working die steel,whose working condition is similar to that of breakdown rolls ,even worse. It is formed in the high temperature state and has high thermal strength, high thermal stability, excellent wearability and resistance to thermal fatigue and temper stability. This type of rolls is used for blooming of large section mills to have a much longer service life.
Chemical Composition %
Symbol | C | Si | Mn | Cr | Ni | Mo | V |
HWD? | 0.50-0.60 | =0.40 | 0.50-0.80 | 0.50-0.80 | 1.40-1.80 | 0.15-0.30 | |
HWD? | 0.40-0.47 | 0.40-0.70 | 0.40-0.60 | 1.50-2.00 | 0.80-1.20 | 0.80-1.20 | 0.30-0.50 |
HWD? | 0.32-0.42 | 0.80-1.20 | =0.40 | 4.50-5.50 | 1.60-2.40(W) | 0.60-1.00 | |
HWD? | 0.35-0.45 | 0.8-1.20 | 0.25-0.70 | 3.00-3.75 | 2.00-.00 | 0.25-0.75 |
Prosperities&Application
Symbol | Hardness | Tensile Strength | Application |
HWD? | 55-58 | =1200 | Blooming and Roughing stands of large section mills |
HWD? | 54-56 | =1200 | |
HWD? | |||
HWD? |
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