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Special Shaped Steel Tubes

Home » Products » Special Shaped Steel Tubes » Seamless Cold Drawn Carbon Steel Square Tube and Tubing

Seamless Cold Drawn Carbon Steel Square Tube and Tubing
  • The name :

    Seamless Cold Drawn Carbon Steel Square Tube and Tubing

  • Product Description
  • Technical Standard:
    ASTM A519 seamless carbon steel tubing
    Seamless Carbon and Alloy Steel Mechanical Tubing ASTM A519
    Size range: O.D.:6-350mm W.T.:1-50mm L:max12000mm
  • Model :
  • send inquiry

Instruction

Technical Standard:
ASTM A519 seamless carbon steel tubing
Seamless Carbon and Alloy Steel Mechanical Tubing ASTM A519
Size range: O.D.:6-350mm W.T.:1-50mm L:max12000mm

Applications:
for Machinery, Mechanical Engineer
 
Raw Material:
Round Steel Billet from Bao Steel
 
Production:
Hot Piercing→Cold Drawing → Sizing to Round Tube → Cold Drawing to final dimension

 

                                       Steel Grade and Chemical Compositions:
Steel C Mn P S Si Cr Mo
Grade max
max max max min
1008 0.1 0.30-0.50 0.04 0.05


1010 0.08-0.13 0.30-0.60 0.04 0.05


1018 0.15-0.20 0.60-0.90 0.04 0.05


1020 0.18-0.23 0.30-0.60 0.04 0.05


1026 0.22-0.28 0.60-0.90 0.04 0.05


1035 0.32-0.38 0.60-0.90 0.04 0.05


1045 0.43-0.50 0.60-0.90 0.04 0.05


4130 0.28-0.33 0.40-0.60 0.04 0.04 0.15-0.35 0.80-1.10 0.15-0.25
4140 0.38-0.43 0.75-1.00 0.04 0.04 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
1025 HR 55        379 35        241 25 60

CW 75        517 65        448 5 80

SR 70        483 55        379 8 75

A 53        365 30        207 25 57

N 55        379 36        248 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

 

Delivery condition:
1. A.W.H.R.    "as welded" from hot-rolled steel
2. A.W.C.R.      "as welded" from cold-rolled steel
3. S.D.C.R.       "sink-drawn", cold-rolled steel
5. M.D.              mandrel drawn
6. S.S.I.D.         special smooth inside diameter
Please specify the delivery condition and heat treatment requirement when sending the enquiry

 

 

If you have any questions, please send an e-mail inquiry

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