Annealed

Cold Rolled

maximum hardness by rolling

Hardened and Tempered

Widths

9~650

9~1219

9~350

Thicknesses

0.1-4.5

0.1-4.5

0.1-3.5

Inner Diameter

300, 400, 500

300, 400, 500

300, 400, 500

Out Diameter

650~1500

650~1500

400~1200

Thickness ＼ Width

W <160

160≤ W <250

250≤ W <370

Nominal

Fine

Precision

Nominal

Fine

Precision

Nominal

Fine

Precision

0.10≤ T <0.15

±0.012

±0.008

±0.007

±0.015

±0.012

±0.008

±0.020

±0.015

±0.012

0.15≤ T <0.25

±0.015

±0.010

±0.008

±0.020

±0.015

±0.010

±0.025

±0.020

±0.015

0.25≤ T <0.40

±0.020

±0.015

±0.010

±0.025

±0.020

±0.015

±0.030

±0.025

±0.020

0.40≤ T <0.60

±0.025

±0.020

±0.015

±0.030

±0.025

±0.020

±0.035

±0.030

±0.025

0.60≤ T <0.80

±0.030

±0.025

±0.020

±0.035

±0.030

±0.025

±0.040

±0.035

±0.030

0.80≤ T <1.00

±0.035

±0.030

±0.025

±0.040

±0.035

±0.030

±0.045

±0.040

±0.035

1.00≤ T <1.25

±0.040

±0.035

±0.030

±0.045

±0.040

±0.035

±0.050

±0.045

±0.040

Thickness ＼ Width

W < 160

160≤ W <250

250≤ W <370

0.10≤ T <0.25

+/-0.10

+/-0.20

+/-0.25

0.25≤ T <0.60

+/-0.15

+/-0.20

+/-0.25

0.60≤ T <1.20

+/-0.20

+/-0.30

+/-0.35

1.20≤ T <3.50

+/-0.25

+/-0.40

+/-0.45

Width

Annealed

Hardened & Tempered

nominal

fine

nominal

fine

W < 30

12

10

3

2

30 ≤ W < 50

8

6

3

2

50≤ W < 80

6

4

3

2

80 ≤ W < 370

4

2

3

2

GRADE

DISH(d)

Annealed

1.0% of nominal width

Full hard/Skin pass

0.5% of nominal width

Hardened & Tempered

0.1%~0.3% of nominal width

EDGES TYPE

DEFINITION

APPLIACTION

IMAGE

Slit edge

sharp edged with slitting burrs left on

left spring

Deburred edge

slit edges from which burrs have been remove

left spring

Round edge

edged rounded

power spring

Champered edge

square edge with round corner

saws and blades

Square edge

sharp - cornered square edgeds

band saws