ASTM A519

Seamless Steel Pipe  Name: ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing

  Size (mm): O.D.: 20∼180; W.T.: 2-30; L: max 12000

  Description:
Diameter 320 to 127 mm; Thickness: 0.4 to 12.7 mm; Length: 6 m and above; other specifications in accordance with customer requirements.


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Features Specifications:

OD (mm) Wall Thickness Unit (mm)
  2 2.5 3 3.5 4 4.5 5 6 6.5-7 7.5-8 8.5-9 9.5-10 11 12
Φ25-Φ28                
Φ32                
Φ34-Φ36                
Φ38                
Φ40                  
Φ42                  
Φ45                
Φ48-Φ60              
Φ63.5              
Φ68-Φ73                
Φ76        
Φ80        
Φ83        
Φ89        
Φ95        
Φ102        
Φ108        
Φ114          
Φ121          
Φ127          
Φ133          
Φ140            
Φ146            
Φ152            
Φ159            
Φ168            


Seamless Carbon and Alloy Steel Mechanical Tubing
Application

For mechanical engineering purposes.

For mechanical and high-pressure settings, as well as for transporting steam, water and gas.

Size(mm): O.D.: 20∼180; W.T.: 2-30; L: max 12000


Grade and Chemical Composition (%):

Grade

C Mn P≤ S≤ Si Cr Mo
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 - - -
1025 0.22-0.28 0.30-0.60 0.040 0.050 - - -
1026 0.22-0.28 0.60-0.90 0.040 0.050 - - -
4130 0.28-0.33 0.40-0.60 0.040 0.050 0.15-0.35 0.80-1.10 0.15-0.25
4140 0.38-0.43 0.75-1.00 0.040 0.050 0.15-0.35 0.80-1.10 0.15-0.25

 

Mechanical Properties:

Grade Condition MPa Tenslle Point Yield Point Elongation
1020 CW

≥414

≥483 ≥5%
  SR ≥345 ≥448 ≥10%
  A ≥193 ≥331 ≥30%
  N ≥234 ≥379 ≥22%
1025 CW ≥448 ≥517 ≥5%
  SR ≥379 ≥483 ≥8%
  A ≥207 ≥365 ≥25%
  N ≥248 ≥379 ≥22%
4130 SR ≥586 ≥724 ≥10%
  A ≥379 ≥517 ≥30%
  N ≥414 ≥621 ≥20%
4140 SR ≥689 ≥855 ≥10%
  A ≥414 ≥552 ≥25%
  N ≥621 ≥855 ≥20%