ASTM A335 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.

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

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.

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