321不锈钢管

316

34.5

41.3

33.3

39.8

32.3

39.3

31.8

38.8

31.8

39.3

31.8

39.3

31.3

38.3

31.3

38.3

31.3

38.3

30.8

37.8

30.8

37.8

30.8

37.8

30.3

37.3

30.3

37.3

30

37

30

37

29.8

36.8

29.8

36.8

30.5

37.5

30

37

30.5

37.5

30

37

28.1

37.8

30.3

37.3

31.3

38.3

31

38

31.8

38.8

30.8

37.8

32.8

39.5

31.5

38.5

32

39

33.5

40.5

32.3

39.3