VR
news
Home > News

ASTM A519 Seamless Mechanical Steel Tubing

Release Tme: 2024-07-15
Read:
Share:

ASTM A519 specification covers several grades of carbon and alloy steel mechanical tubing, either hot-finished or cold-finished. the ASTM A519 pipe is mainly used for mechanical engineering, mechanical and pressure use, and also for transporting steam, water, gas and etc.

Size
Out diameter:10-324mm
Wall Tickness:1-30mm
Lengths: Pipes are supplied with lengths according to standard requirements. Any lengths different from the standard ones are subject to additional negotiations.

Grade:
ASTM A519 1020
ASTM A519 1025
ASTM A519 1026
ASTM A519 1035
ASTM A519 1045
ASTM A519 4130
ASTM A519 4140

Pipes are supplied:
- black and bare
- external varnished with black or clear lacquer
- oiled. Upon request pipes, ends are protected with plastic caps.
Marking: Pipes are supplied with marking according to standards and customer requests. Marking is painted and/or hard stenciled on pipe ends.

Steel grade and Chemical composition (%) of ASTM A519:

Grade C Mn P≤ S≤ Si Cr Mo
1008 ≤0.10 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 - - -
1025 0.22-0.28 0.30-0.60 0.04 0.05 - - -
1026 0.22-0.28 0.60-0.90 0.04 0.05 - - -
4130 0.28-0.33 0.40-0.60 0.04 0.05 0.15-0.35 0.80-1.10 0.15-0.25
4140 0.38-0.43 0.75-1.00 0.04 0.05 0.15-0.35 0.80-1.10 0.15-0.25

Mechanical Properties of ASTM A519:

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%

Dimension Tolerances

Pipe Type Pipe Sizes Tolerances
Cold drawn OD ≤48.3mm ±0.40mm
WT ≥60.3mm ±1%mm

ASTM A519 Steel Tube

Copyright © GNEE(TIANJIN)MULTINATIONAL TRADE CO.,LTD All Rights Reserved.
Support: Coverweb