Original
By certification 
Products Information:
Size Range:
OD: 4.0-350mm
WT:0.5-50mm
Length: max 12000mm
Astm a519 seamless automotive steel tube is our strength and regular production monthly, mainly for atuomotive parts, machinery and engineering parts for our customers.
Astm A519 Seamless Automotive Steel Tube Steel Grade/Steel Material:
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 |
Astm A519 Seamless Automotive Steel Tube Delivery Condition
Thermal Treatment:
1) A-Annealed
2) N-Normalized
3) QT-Quenched and Tempered
4) SR-Stress relieved or Finish Anneal
Steel Tube Characteristic:
Good concentricity
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
TORICH QUALITY ASSURANCE
Astm A519 Seamless Automotive Steel Tube Production Processs:
astm a519 seamless automotive steel tube is by Seamless Hollow Steel Tube and Cold Drawing or Cold Rolling Production, to achieve the target price by mandrel and die, the more accuracy we can make is higher than technical standard ASTM A519.
Method Of Tube Forming:
1. Hot-Finished Mechanical Tubing
2. Cold-Worked Mechanical Tubing
3. Rough -Turned Mechanical Tubing
4. Ground Mechanical Tubing
http://www.steeltubeschina.com/
