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ASTM A335 STEEL PIPE
ASTM A335 P91
ASTM A335 P11
ASTM A335 P22
ASTM A335 STEEL PIPE
ASTM A335 P91
ASTM A335 P11
ASTM A335 P22

ASTM A335 STEEL PIPE

Applications of ASTM A335 Pipes The most common use of grades P11, P22, and P91 is in the power industry and petro-chemical plants, Grades P5 and P9 are commonly used in refineries.
Diameter:16-1016mm
Thickness: 2---120mm
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Product Introduction
Keywords(pipe type):Alloy Pipe, Alloy Tube, Alloy Steel Pipe, Alloy Steel Tube, High Pressure Steel Pipe, Boiler Steel Pipe, ASME SA335, P11, ASTM A335
Size:Size 1/4” to 24” Outside Diameter 13.7 mm to 609.6 mm; Wall thickness:SCH10, SCH20, SCH30, STD, SCH40, SCH60, SCH80, SCH100 SCH120, SCH160, XS, XXS,Pipe Length:Single Random Length and double Random Length.SRL:3M-5.8M DRL:10-11.8M or As clients requested length
Standard & Grade:ASME SA 335  American society of mechanical engineers; ASTM A335M American society for Testing and Materials
Ends :Plain End, Beveled End, Thread End
Delivery :Within 30 days and Depends on your order quantity
Payment:TT, LC , OA , D/P
Packing:Bundled with Hemp Rope/In Bulk
Usage:For manufacture wall panel, economizer, reheater, superheater and steam pipeline of boilers

Description
Product Name Alloy Steel Pipe
Material Alloy Steel
Pipe Length Single Random Length and double Random Length.SRL:3M-5.8M DRL:10-11.8M or As clients requested length
Size Size 1/4” to 24” Outside Diameter 13.7 mm to 609.6 mm
Wall thickness SCH10, SCH20, SCH30, STD, SCH40, SCH60, SCH80, SCH100 SCH120, SCH160, XS, XXS
Standard ASTM A 335 Grade P1, P2, P5, P9, P9A, P11, P22.ASTM A213 T1B, T1, T2, T5, T9, T9A, T11, T12, T22.A199 T5, T9, T11, T22.BS 3604 Grade 621, 622, 625, 629-470, 629-590, 660, 762.DIN 17175 15 Mo 3, 13 Cr Mo 44, 10 Cr Mo 910, 14 Mo V 63, X 20 Cr Mo V 121.BS 3059 Grade 243, 620-460, 622-490, 629-470, 629-590, 762.
JISG3458/G3462/3467 and DIN17175-79.
Applications 1.Fluid pipe
2. Power Plant
3. Structure pipe
4. High and low pressure Boiler tube
5. Seamless steel tubes for petroleum cracking
6. Conduit pipe
7. Scaffolding pipe pharmaceutical and ship building etc
Certificate ISO/PED/TUV/SGS/LR/BV
Main Market Asia, Middle East, Europe, America, Africa, Australia, etc
Technical Data
Chemical Composition(%):
Grade UNS Designation Composition, %
Carbon Manganese Phosphorus, Sulfur Silicon Chromium Molybdenum Others
max max
P1 K11522 0.10–0.20 0.30–0.80 0.025 0.025 0.10–0.50 0.44–0.65
P2 K11547 0.10–0.20 0.30–0.61 0.025 0.025 0.10–0.30 0.50–0.81 0.44–0.65
P5 K41545 0.15 max 0.30–0.60 0.025 0.025 0.50 max 4.00–6.00 0.45–0.65
P9 S50400 0.15 max 0.30–0.60 0.025 0.025 0.25–1.00 8.00–10.00 0.90–1.10
P11 K11597 0.05–0.15 0.30–0.60 0.025 0.025 0.50–1.00 1.00–1.50 0.44–0.65
P12 K11562 0.05–0.15 0.30–0.61 0.025 0.025 0.50 max 0.80–1.25 0.44–0.65
P15 K11578 0.05–0.15 0.30–0.60 0.025 0.025  1.15–1.65 0.44–0.65
P21 K31545 0.05–0.15 0.30–0.60 0.025 0.025 0.50 max 2.65–3.35 0.80–1.06
P22 K21590 0.05–0.15 0.30–0.60 0.025 0.025 0.50 max 1.90–2.60 0.87–1.13
P23 K41650 0.04–0.10 0.10–0.60 0.03 0.01 0.50 max 1.90–2.60 0.05–0.30 V 0.20–0.30
Cb 0.02–0.08
B 0.0005–0.006
N 0.030 max
Al 0.030 max
W 1.45–1.75
P91 K91560 0.08–0.12 0.30–0.60 0.02 0.01 0.20–0.50 8.00–9.50 0.85–1.05 V 0.18–0.25
N 0.030–0.070
Ni 0.40 max
Al 0.04 max
Cb 0.06–0.10
P92 K92460 0.07–0.13 0.30–0.60 0.02 0.01 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 0.04 max
Cb 0.04–0.09
W 1.5–2.00
B 0.001–0.006
ASTM A335 P5 Alloy Steel Pipe Mechancial Properity
Trade 
make
Mechanical performance
Tensile 
strength
Yield 
Strength
Elongation
(Mpa) (Mpa) (%)
P5 ≥415 ≥205 ≥30
P9 ≥415 ≥205 ≥30
P11 ≥415 ≥205 ≥30
P12 ≥415 ≥205 ≥30
P22 ≥415 ≥205 ≥30
P23 ≥510 ≥400 ≥30

Heat Treatment Requirements
Grade Heat Treatment Type Normalizing Temperature Range F [C] Subcritical Annealing or Tempering
P5, P9, P11, and P22 Temperature Range F [C]
A335 P5 (b,c) Full or Isothermal Anneal    
  Normalize and Temper ***** 1250 [675]
  Subcritical Anneal (P5c only) ***** 1325 – 1375 [715 - 745]
A335 P9 Full or Isothermal Anneal    
  Normalize and Temper ***** 1250 [675]
A335 P11 Full or Isothermal Anneal    
  Normalize and Temper ***** 1200 [650]
A335 P22 Full or Isothermal Anneal    
  Normalize and Temper ***** 1250 [675]
A335 P91 Normalize and Temper 1900-1975 [1040 - 1080] 1350-1470 [730 - 800]
  Quench and Temper 1900-1975 [1040 - 1080] 1350-1470 [730 - 800]
Mechanical Tests Specified
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 Hardness Test:
P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].

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.

Hydrostatic Test
The inside diameter of the bend shall be 1 inch [25 mm].
Each length of pipe shall be Hydro tested, at option of manufacture nondestructive electric testing can be used.

Painting & Coating
Black coating , oil/varnish ,FBE,2PE,3PE, galvanized etc Packaging Detail: Packing in bundles or for the client’s requirement
 










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