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Hunan Standard Steel Co.,Ltd is as the one of member of Husteel Industry Group, as the professional manufacturer of steel pipe and pipe fittings,which has a complete system of production and sales serving our customers. 
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Specifications Range
Out Diameter 4"- 26"
Wall Thickness 0.315"-2.5"

Name: ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing

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

Size (mm): O.D.: 4"-26"; W.T.: 0.315"-2.5"


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 0.15-0.20 060-0.90 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 Tensile strength
Yield strength
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%