ASTM A519 Grade 4130 Seamless Alloy Mechanical Steel Tube

ASTM A519 Grade 4130 Seamless Alloy Mechanical Steel Tube

Model NO: ASTM A519 Standard: ASTM
Material : Alloy Steel
Technique: Cold Drawn
Surface Treatment: Polished
WT: 1mm-80mm
OD: 10-400mm
Shape: Round
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Product Details

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Mechanical Steel Tube is one of the most commonly used types of seamless steel tubes. The seamless steel pipe has a hollow section and no welds from beginning to end. Compared with solid steel such as round steel, seamless steel pipe is lighter in flexural and torsional strength. It is a kind of economical cross-section steel, which is widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes, bicycle frames and Steel scaffolding used in building construction, etc. 

1.Standard:JIS, DIN, ASTM, BS, API, GB, JIS G3463, JIS G3454.

2.Thickness:3 - 70 mm

3.Outer Diameter:20-736.6 mm

4.Processing Service:Bending, Welding, Decoiling, Punching, Cutting

Dimensions - Mechanical and Structural Rounds

Nominal diameter in mm

Outside diameter in mm

Maximum

Minumum

21

21.70

20.90

25

25.50

24.70

27

27.3

26.50

32

32.20

31.40

34

34.10

33.30

38

38.40

37.60

42

42.80

42.00

48

48.70

47.90

51

51.40

50.60

57

57.40

56.60

60

60.70

59.90

63

63.90

63.10

76

76.50

45.50

89

89.30

88.50

95

95.40

94.60

102

102.00

101.20

114

114.90

113.70

127

127.60

126.70

140

140.20

139.10

152

153.00

151.80

165

165.70

164.50

178

178.40

177.20

193

194.30

193.10

219

219.50

218.50

Wall thickness

The wall thickness of the tubes shall be in the range of 1.2 - 6.0mm as required. typically as follows:

Thickness in mm

Tolerance in mm

1.5 to 2.0

± 0.15

>2.0 to 2.5

± 0.18

>2.5 to 4.0

± 0.20

>4.0 to 6.0

± 0.28

Mechanical Steel Tube industrial applications-from bearings to cylinders and gears-toughness is an essential function. Oil and gas exploration is another common use of seamless mechanical tubing, and its durability and component life are vital below the surface.Special products include aircraft, anti-friction bearings, artillery steel, missiles and steel with high lateral mechanical properties.

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