Grade

Recommendation applications

YGH20

With high hardness, i

t is used for rolling of common wire and hard wire at the last two stands of finishing mill

YGH25

With good wear-resistance and moderate impact-resistance,

it is used at the last two stands of finishing mill

YGH30

With moderate wear-resistance and impact-resistance and good versatility,

t is used at the last four resistance or all the stands

YGH40

With best versatility,

it is used at the front stands of finishing mill and rear stands of common rolling mill

YGH45

It is used at the first two stands of finishing mill as well as the stands of pre-finishing mill,

and also applied of the stands of rolling machine with low speed and accuracy a

nd varied technology

YGH55

Because of fine toughness and hot crack resistance,i

t is used for the stands of pre-finishing mill and hot rolled steel collar

Grade

Recommendation applications

YHR20

High wear resistance and corrosion resistance

Used om the last 1-2 stands of finishing mils

YHR25

High wear resistance and corrosion resistance

Used om the last 1-3 stands of finishing mils

YHR30

Good toughness,wear resistance and corrosion resistance and thermal crack resistance.

Used in the middle and rear stands of finishing mills

YHR40

Good toughness,wear resistance and corrosion resistance,good for general purposes

Used in most stands of the finishing mills and in the rear stands of common mills

YHR45

Good toughness,wear resistance and corrosion resistance,

Used in front stands of the finishing mills

YHR55

Good impact resistance Used in the stands of pre-finishing rolling mills for hot rolling ribbed steel bars and they can be machine with turning and milling

YHR60

Good impact resistance,Used for hot rolling ribbed steel bars and in the first and second stands of pre-finishing rolling mills