ISO 9001:2008 Registered
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. 
Factory          Group
  

Specifications Range
Out Diameter 19.05-168.3mm
Wall Thickness 2.31-14.27mm
Length 3.0m-18m

Chemical Composition of Seamless Fluid Pipe:

Standard Grade Chemical Composition(%)
C Mn P S Si Cr Cu Mo Ni V
ASTM A106
ASTM A53
A ≤0.25 0.27-0.93 ≤0.035 ≤0.035 ≥0.10 ≤0.40 ≤0.40 ≤0.15 ≤0.40 ≤0.08
B ≤0.30 0.29-1.06 ≤0.035 ≤0.035 ≥0.10 ≤0.40 ≤0.40 ≤0.15 ≤0.40 ≤0.08
C ≤0.35 0.29-1.06 ≤0.035 ≤0.035 ≥0.10 ≤0.40 ≤0.40 ≤0.15 ≤0.40 ≤0.08

Mechanical Properties:

Standard Grade Mechanical Properties
Tensile Strength(Mpa) Yield Point(Mpa) Elongation(%) Delivery Condition
ASTM A106
ASTM A53
A ≥330 ≥205 20 Annealed
B ≥415 ≥240 20 Annealed
C ≥485 ≥275 20 Annealed