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Seamless Precision Steel Tubes

Home » Products » Seamless Precision Steel Tubes » ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing

ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing
  • The name :

    ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing

  • Product Description
  • Applications: for mechinery, mechanical engineer

    Size range: O.D.:6-168mm W.T.:1-15mm L:max12000mm
  • Model : ASTM A519
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Instruction

ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing
Applications: for mechinery, mechanical engineer                            
Size range: O.D.:6-350mm     W.T.:1-50mm      L:max12000mm                            

Special Smoothness Inside Surface,SSIS
this tubing is intended for use where the inside surface is of prime importance.
Usually we leave maching allowance for both OD and ID tolerance for further maching purpose.

Method of Tube Forming:
1. Hot-Finished Mechanical Tubing
2. Cold-Worked Mechanical Tubing
3. Rough -Turned Mechanical Tubing
4. Ground Mechanical Tubing

Thermal Treatment:
1) A-Annealed
2) N-Normalized
3) QT-Quenched and Tempered
4) SR-Stress relieved or Finish Anneal

                                       Steel Grade and Chemical Compositions:
Steel  C Mn P S Si Cr Mo
Grade max
max max max min
1008 0.10  0.30-0.50 0.040  0.050 


1010 0.08-0.13 0.30-0.60 0.040  0.050 


1018 0.15-0.20 0.60-0.90 0.040  0.050 


1020 0.18-0.23 0.30-0.60 0.040  0.050 


1026 0.22-0.28 0.60-0.90 0.040  0.050 


1035 0.32-0.38 0.60-0.90 0.040  0.050 


1045 0.43-0.50 0.60-0.90 0.040  0.050 


4130 0.28-0.33 0.40-0.60 0.040  0.040  0.15-0.35 0.80-1.10 0.15-0.25
4140 0.38-0.43 0.75-1.00 0.040  0.040  0.15-0.35 0.80-1.10 0.15-0.25

 

Grade condition Ultimat  Yield  Elongation Rockwell


Strength  Strength
Hardness


ksi    Mpa ksi    Mpa % B Scale
1020 HR 50     345 32      221 25 55

CW 70     483 60      414 5 75

SR 65     448 50      345 10 72

A 48      331 28      193 30 50

N 55      379 34      234 22 60
1035 HR 65      448 40      276 20 72

CW 85      586 75      517 5 88

SR 75      517 65      448 8 80

A 60      414 33      228 25 67

N 65     448 40      276 20 72
1045 HR 75      517 45      310 15 80

CW 90      621 80      552 5 90

SR 80      552 70      483 8 85

A 65      448 35      241 20 72

N 75     517 48      331 15 80
4130 HR  90       621 70      483 20 89

SR 105      724 85      586 10 95

A   75      517 55      379 30 81

N   90      621 60     414 20 89
4140 HR 120      855 90      310 15 100

SR 120      855 100    689 10 100

A   80      552 60      414 25 85

N 120      855 90      621 20 100

HR-Hot Rolled
CW-Cold Worked
SR-Stress Relieved
A-Annealed
N-Normalized

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