ГОСТ 21014-88 Прокат черных металлов. Термины и определения дефектов поверхности

Термин

Номер термина

Burr

47

Coil breaks

52

Compression marks

62

Cracked edge

13

Cross breaks

52

Delamination

6

Dirt spots

45

Dull surface

64

End crack

49

Exfoliating scale

39

Folded edge

14

Forging fold

23

Gray spots

43

Grinding cracks

61

Grinding traces

42

Groove

24

Guide mark

24

Guide scratch

27

Hacks

48

Harline

3

Handling marks

62

Heat tints

53

Hot tears

12

Indentations and roll marks

29

Ingot hot tear

7

Lap

22

Net shaped roll marks

31

Overpickling

56

Oxidation tints

53

Pickling cracks

54

Pickling tints

60

Pigeon hole

17

Pipe

11

Pitted surface

35

Pitting

36

Pricks

28

Ridge

18

Rippled surface

32

Rolled blister

4

Rolled burn-on

9

Rolled crack

10

Rolled crust

2

Rolled indentations

30

Rolled-in foreign particles

40

Rolled-in scale

34

Rolled scab

8

Rolled slag patch

1

Rolling skin

15

Rust spots

59

Sand mark

1

Scale pits

36

Scale residue

58

Scratch

63

Shelf

2

Slime deposit

57

Slip bands

50

Sliver

8, 15

Spill

3

Spot carburization

44

Sticker patches

46

Stress crack

16

Surface overheating

33

Surface tears

26

Through tears

25

Underpickling

55

Wrinkles

21