grade

Density

g/cm3±0.1

Bending strength MPS

Min

Hardness

HRA±0.5

Mechanical property

Performance and Application

YG3x

15.1-15.30

1300

92.5

.

High hardness, good antiwear performance, but low strength and worse toughness

Available for the dia. Max. 2mm thin wire,non-ferrous metal wire and alloy steel wire when stressed lightly, best for max. 0.6mm dia.thread wires.

YG3

15.10-15.30

1380

91.5

Less antiwear only than YG3x,medium bending and toughness.

Available for the dia. Max. 6mm steel wire,non-ferrous metal wire and alloy steel wire and bars when stressed lightly.

YG6x

14.80-15.00

1550

91.5

Higher antiwear

Available for the dia. Max. 20mm steel wire,non-ferrous metal wire and alloy steel wire and bars; the dia. Max. 10mm steel,non-ferrous metal and alloy steel pipes when stress greater.

YG6

14.85-15.10

1700

90.0

Higher antiwear; medium bending and toughness.

Available for the dia. Max. 20mm steel wire,non-ferrous metal wire and alloy steel wire and bar; the dia. Max. 10mm steel,non-ferrous metal and alloy steel pipes when stress greater.

YG8

14.65-14.95

1800

89.0

Higher antiwear; higher bending and toughness than YG6x.

Available for the dia. Max. 50mm steel wire,non-ferrous metal wire and alloy steel wire and bar; the dia. Max. 35mm steel,non-ferrous metal and alloy steel pipes when stress greater; also available for greater dia. press dies with less load;

YG15

13.95-14.15

2250

87.0

lower antiwear; higher bending and toughness

Available for the tensiled steel pipes when greater stress and compression; also available for the press dies with greater press load;

YG20c

13.35-13.75

2250

82.5

High strength; good impact toughness

available for the press dies with greater press load;

YG22M

13.30-13.55

2300

84.5

Good impact toughness and anti-fatigue;good antiwear

Available for cold heading steel balls, heading steel screw bolts & rivets, cold press products with greater load and stress.

YT15

11.3

1550

92.5

Better antiwear; good impact toughness;

Available for rough machining section-cut of steel, casting and alloy steel or finish machining smallcross-section;

YT5

12.9

2000

90.4

Best strength,impact & resistance to shock; But worse antiwear.

Available for rough machinng, rough planing and semi-planing discontinuity section-cut of carbon steel and alloy steel( including the forging,the pressing and the casting).

YG813

14.4

2200

92.0

Good antiwear, better banding and pressure;

Available for machining rhw alloy steel, stainless steel , high-manganese steel etc material at high temperature.

YG640

13.2

2300

91.5

Good heat resistance and abrasion, high impact and antioxidation;

Available for continuity & discontinuity cutting of large castings, milling and planing of refractory steels, high strength steels;

ZK10UF

14.8

2500

93.2

Excellent antiwear and toughness at high temperature.

Available for semi-machining and finish machining of all kinds of castings and non-ferrous metals, best tool material for drilling cemented carbide alloy.

ZK30UF

14.4

2800

91.7

Extraordinary toughness, higher hardness.

Available for finish machining and milling of all kinds of the castings and non-ferrous metals, especially for as best drill bits.

YN6

14.6

1800

90.0

High antiwear and anti-corrosion.

Available for mechanical seals and wear parts against the corrosion from oil,sewage, acid and strong corrosion solution.

YN8

14.5

2000

89.0

Higher antiwear and anti-corrosion.

Available for mechanical seals, sleeves and wear parts against the corrosion from oil,sewage, acid and strong