Special Steel Pipe

MECHANICAL PIPE

QUALITY ASSURANCE :

  • Check Mark All products are produced by large factories
  • Check Mark Professional quality inspection tracking team
  • Check Mark Can accept any third party inspection
  • Check Mark Accept third party supervision
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standard:ASTM A519

size range(mm):Out Diameter:10-324mm

wall Tickness:1-30mm

Length:14000mm max

steel grade AND chemical COMPOSITION (%)OF ASTM A519

Grade C Mn P≤ S≤ Si Cr Mo
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 Grade Condition MPa
Tenslle
Paint		 Yield
Point		 Elongation
1020 CW ≥414 ≥483 ≥5% 4130 SR ≥586 ≥724 ≥10%
SR ≥345 ≥448 ≥10% A ≥379 ≥517 ≥30%
A ≥193 ≥331 ≥30% N ≥414 ≥621 ≥20%
N ≥234 ≥379 ≥22% 4140 SR ≥689 ≥855 ≥10%
1025 CW ≥448 ≥517 ≥5% A ≥414 ≥552 ≥25%
SR ≥379 ≥483 ≥8% N ≥ 621 ≥855 ≥20%
A ≥207 ≥365 ≥25%
N ≥248 ≥379 ≥22%

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