Alloy Pipes
Specification:
ASTM A335 is a ASTM standard specifies Seamless Ferritic Alloy Steel Pipe for High-Temperature Service. ASTM A335 pipe ordered to this specification shall be suitable for bending and similar forming operations, and for fusion welding. Selection will depend upon design, service conditions, mechanical properties, and high-temperature characteristics.
Steel Grade:
ASTM A335 GR P5 | GR P9 | GR P11 | GR P22 | GR P91 | GR P92.
Size (mm): O.D.: 51-508; W.T.:7~60; L: max 12000 and other specifications in accordance with customer requirements.
Size (mm) we can supply:
Hot-rolled: O.D.: 51-508; W.T.:7~60; L: max 16000
Cold-drawn: O.D.: 10-50; W.T.:2~10; L: max 16000
Hot-expanded:O.D.: 325-1020; W.T.:6~50; L: max 12000 and other specifications in accordance with customer requirements.
Packing:
Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection
Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test, Nodestructive Test, Hydrostatic Test.
Surface Treatment:
Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting,Epoxy & Fbe Coating
Painting as requested.
Mechanical Properties:
Standard Steel Grade Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Impact Energy(J) Rigidity
ASME SA335 SA335 P11 =415 =205 =22 =35 =163HB
SA335 P12 =415 =220 =22 =35 =163HB
SA335 P22 =415 =205 =22 =35 =163HB
SA335 P5 =415 =205 =22 =35 =187HB
SA335 P91 585~760 =415 =20 =35 =250HB
SA335 P92 =620 =440 =20 =35 =250HB
Grade and Chemical Composition (%)
Grade C Mn P, S, max Si Cr Mo
P11 0.05-0.15 0.30-0.60 0.025 0.50-1.00 1.00-1.50 0.44-0.65
P22 0.05-0.15 0.30-0.60 0.025 0.50 max 1.90-2.60 0.87-1.13
P5 0.15 max 0.30-0.60 0.025 0.50 max 4.00-6.00 0.45-0.65
P9 0.15 max 0.30-0.60 0.025 0.25-1.00 8.00-10.00 0.90-1.10
P91 0.08-0.12 0.30-0.60 0.020/0.010 0.20-0.50 8.00-9.50 0.85-1.05
V 0.18-0.25 N 0.03-0.07 Ni 0.40 max Al 0.02 max Nb 0.06-0.10 Ti 0.01 max
P92 0.07-0.13 0.30-0.60 0.020/0.010 0.50 max 8.50-9.50 0.30-0.60
V 0.15-0.25 N 0.03-0.07 Ni 0.40 max Al 0.02 max Nb 0.04-0.09 W 1.50-2.00
B 0.001-0.006 Ti 0.01 max Zr 0.01 max
Ordering Information
Orders for material under this specification should include the following, as required, to describe the desired material adequately:
Quantity Feet, meters, or number of lengths
Name of material Seamless Alloy Steel Pipe
Grade STANDARD AND STEEL GRADE
Manufacture Hot-finished or cold-drawn
Size using one of the following:
NPS and Schedule Number
Outside Diameter and Nominal Wall Thickness
Length Specific or Random
End Finish
