Grade

Br

Hcj

Hcb

(BH)max

(TW)

Mt

KGs

KOe

KA/m

KOe

KA/m

MGOe

Kj/m³

℃

 N

N35

1180-1210

11.7-12.1

≥12

≥955

≥10.9

≥868

33-36

263-287

80

N38

1210-1250

12.1-12.5

≥12

≥955

≥11.3

≥899

36-39

287-310

80

N40

1250-1280

12.5-12.8

≥12

≥955

≥11.6

≥923

38-41

302-326

80

N42

1280-1320

12.8-13.2

≥12

≥955

≥11.6

≥923

40-43

318-342

80

N45

1320-1380

13.2-13.8

≥12

≥955

≥11.0

≥876

43-46

342-366

80

N48

1380-1420

13.8-14.2

≥11

≥876

≥10.5

≥836

46-49

366-390

80

N50

1400-1450

14.0-14.5

≥11

≥876

≥10.0

≥796

48-51

382-406

80

N52

1420-1480

14.2-14.8

≥11

≥876

≥10.0

≥796

49-53

390-422

80

 M

35M

1170-1210

11.7-12.1

≥14

≥1114

≥10.9

≥868

33-36

263-287

100

38M

1210-1250

12.1-12.5

≥14

≥1114

≥11.3

≥899

36-39

387-310

100

40M

1250-1280

12.5-12.8

≥14

≥1114

≥11.6

≥923

38-41

302-326

100

42M

1280-1320

12.8-13.2

≥14

≥1114

≥12.0

≥955

40-43

318-342

100

45M

1320-1380

13.2-13.8

≥14

≥1114

≥12.0

≥955

43-46

342-366

100

48M

1360-1430

13.6-14.3

≥14

≥1114

≥12.9

≥1027

46-49

366-390

100

50M

1380-1460

13.8-14.6

≥14

≥1114

≥12.9

≥1027

48-51

382-406

100

 H

33H

1130-1170

11.3-11.7

≥17

≥1353

≥10.5

≥836

31-34

247-271

120

35H

1170-1210

11.7-12.1

≥17

≥1353

≥10.9

≥868

33-36

263-287

120

38H

1210-1250

12.1-1250

≥17

≥1353

≥11.3

≥899

36-39

287-310

120

40H

1250-1280

12.5-12.8

≥17

≥1353

≥11.6

≥923

38-41

302-326

120

42H

1280-1320

12.8-13.2

≥17

≥1353

≥12.0

≥955

40-43

318-342

120

45H

1320-1360

13.2-13.6

≥17

≥1360

≥12.5

≥955

43-46

342-366

120

48H

1350-1460

13.5-14.6

≥17

≥1360

≥12.5

≥955

46-49

366-390

120

 SH

33SH

1130-1170

11.3-11.7

≥20

≥1592

≥10.6

≥844

31-34

247-271

150

35SH

1170-1210

11.7-12.1

≥20

≥1592

≥11

≥876

33-36

263-287

150

38SH

1210-1250

12.1-12.5

≥20

≥1592

≥11.4

≥907

36-39

287-310

150

40SH

1250-1280

12.5-12.8

≥20

≥1592

≥11.8

≥939

38-41

302-326

150

42SH

1280-1320

12.8-13.2

≥20

≥1600

≥11.8

≥939

39-43

310-342

150

45SH

1310-1360

13.1-13.6

≥20

≥1600

≥12.0

≥955

42-45

334-358

150

 UH

30UH

1080-1130

10.8-11.3

≥25

≥1900

≥10.2

≥812

28-31

223-247

180

33UH

1130-1170

11.3-11.7

≥25

≥1900

≥10.7

≥852

31-34

247-271

180

35UH

1180-1220

11.8-12.2

≥25

≥1990

≥10.8

≥860

33-36

263-287

180

38UH

1210-1250

12.1-12.5

≥25

≥1990

≥10.6

≥844

36-39

287-310

180

EH

28EH

1040-1090

10.4-10.9

≥30

≥2388

≥9.80

≥780

26-29

207-231

200

30EH

1080-1130

10.8-11.3

≥30

≥2388

≥10.2

≥812

28-31

223-247

200

33EH

1130-1170

11.3-11.7

≥30

≥2400

≥10.5

≥835

31-34

247-271

200

35EH

1160-1200

11.6-12.0

≥30

≥2400

≥10.6

≥835

33-35

263-279

200

category

colour

Plating Thickness（UM）

Service temperature

Salt fog resistance

NICUNI

silvery

20-30

≤200℃

＞72hour

NI

silvery

10-30

≤2000℃

＞48hour

ZN

Blue/color/silvery/black

10-20

≤160℃

＞48hour

Epoxy

black

10-30

≤120℃

＞96hour

Chemical nickel

silvery

5-30

≤200℃

＞200hour