Name: ASTM A335 P22 steel pipe
Availability: InStock

ASTM A335 P22 steel pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding.
Each length of pipe shall be subjected to the hydrostatic test. Also, each pipe shall be examined by a non-destructive examination method in accordance to the required practices.
The range of ASTM A335 P22 steel pipe sizes that may be examined by each method shall be subjected to the limitations in the scope of the respective practice.
The different mechanical test requirements for pipes, namely, transverse or longitudinal tension test, flattening test, and hardness or bend test are presented.Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.
Material & Manufacture
Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.
Heat Treatment
A / N+T
N+T / Q+T
N+T
Mechanical Tests Specified
Transverse or Longitudinal Tension Test and Flattening Test, Hardness Test, or Bend Test
For material heat treated in a batch-type furnace, tests shall be made on 5% of the pipe from each treated lot. For small lots, at least one pipe shall be tested.
For material heat treated by the continuous process, tests shall be made on a sufficient number of pipe to constitute 5% of the lot, but in no case less than 2 pipe.
Notes for Bend Test:
For pipe whose diameter exceeds NPS 25 and whose diameter to wall thickness ratio is 7.0 or less shall be subjected to the bend test instead of the flattening test.
Other pipe whose diameter equals or exceeds NPS 10 may be given the bend test in place of the flattening test subject to the approval of the purchaser.
The bend test specimens shall be bent at room temperature through 180 without cracking on the outside of the bent portion.
Chemical Requirements of ASTM A335 P22
UNS Designa-tion
K21590
Carbon
0.05-0.15
Manganese
0.30-0.60
P&S(max)
0.025
Silicon(max)
0.50
Chromium
1.90-2.60
Molybdenum
0.87-1.13
Others
 —
Mechanical Properties  of ASTM A335 P22
Tensile strength, min, (MPa)
415
Yield strength, min, (MPa)
205
Elongation, min, (%), L/T
30/20
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Notes for Bend Test:
For pipe whose diameter exceeds NPS 25 and whose diameter to wall thickness ratio is 7.0 or less shall be subjected to the bend test instead of the flattening test.
Other pipe whose diameter equals or exceeds NPS 10 may be given the bend test in place of the flattening test subject to the approval of the purchaser.
The bend test specimens shall be bent at room temperature through 180 without cracking on the outside of the bent portion.

Specification + Grade

ASTM	ASME
A335 Grade P1 0% Chrome; ½% Moly	SA335 Grade P1 0% Chrome; ½% Moly
A335 Grade P5 5% Chrome; ½% Moly	SA335 Grade P5 5% Chrome; ½% Moly
A335 Grade P9 9% Chrome; 1% Moly	SA335 Grade P9 9% Chrome; 1% Moly
A335 Grade P11 1-1/4% Chrome; ½% Moly	SA335 Grade P11 1-1/4% Chrome; ½% Moly
A335 Grade P12 1-1/4% Chrome; ½% Moly	SA335 Grade P12 1-1/4% Chrome; ½% Moly
A335 Grade P22 2-1/4% Chrome; 1% Moly	SA335 Grade P22 2-1/4% Chrome; 1% Moly
A335 Grade P91 9% Chrome; 1% Moly + trace elements	SA335 P91 A335 9% Chrome; 1% Moly + trace elements

Chemical

Grade

P-5

P-9

P-11

P-22

P-91

	K41545	S50400	K11597	K21590	K91560	P-91 shall also include the following:
Carbon	0.15 max	0.15 max	0.05 – 0.15	0.05 – 0.15	0.08 – 0.12	V at 0.18 – 0.25 N at 0.030 – 0.070 Ni at 0.40 max Al at 0.02 max Cb at 0.06 – 0.10 Ti at 0.01 max Zr at 0.01 max
Manganese	0.30 – 0.60	0.30 – 0.60	0.30 – 0.60	0.30 – 0.60	0.30 – 0.60
Phosphorous, max	0.025	0.025	0.025	0.025	0.020
Sulfur, max	0.025	0.025	0.025	0.025	0.010
Silicon	0.50 max	0.25 – 1.00	0.50 – 1.00	0.50 max	0.20 – 0.50
Chromium	4.00 – 6.00	8.00 – 10.00	1.00 – 1.50	1.90 – 2.60	8.00 – 9.50
Molybdenum	0.45 – 0.65	0.90 – 1.10	0.44 – 0.65	0.87 – 1.13	0.85 – 1.05

Tensile

	Seamless
		P-5	P-9	P-11	P-22	P-91

Tensile Strength, min., psi							P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].
	ksi	60	60	60	60	85
	MPa	415	415	415	415	585
Yield Strength, min., psi
	ksi	30	30	30	30	60
	MPa	205	205	205	205	415

Place of Origin	China
Certification	BSI
Thickness	10, 30
Application	Hydraulic Pipe
Technique	Cold Drawn
Standard
Alloy Or Not	Is Alloy
Grade
Secondary Or Not	Non-secondary
Special Pipe	Thick Wall Pipe
Section Shape	Round
Outer Diameter	60, 300

ASTM A335 P22 steel pipe

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UNS Designa-tion	K21590
Carbon	0.05-0.15
Manganese	0.30-0.60
P&S(max)	0.025
Silicon(max)	0.50
Chromium	1.90-2.60
Molybdenum	0.87-1.13
Others	—

Tensile strength, min, (MPa)	415
Yield strength, min, (MPa)	205
Elongation, min, (%), L/T	30/20