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ISO Approved Manufacturer & Exporter of ASTM A 335/ A691 GR P11 Alloy Steel Seamless & EFW Pipes .

ASTM A 335 / A691 GR P11 Alloy Steel Seamless & EFW Pipes

Seamless Ferritic Alloy-Steel P11 Pipe, Global Supplier of High Quality Alloy Steel P11 Seamless Pipe, Alloy Steel UNS K11597 Pipes, A335 P11 Alloy Steel Seamless Pipe, ASME SA335 Grade P11 Alloy Steel Pipe Supplier in Mumbai, India.

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IBR NACE MR0175 ASTM A 335 GR P11 ALLOY STEEL SEAMLESS PIPES

ASTM A 335 GR P11 Sizes (Seamless): 1/2” NB - 24” NB
ASTM A 335 GR P11 Wall Thickness available: Schedule 20 - Schedule XXS (heavier on request) up to 250 mm thk.
ASTM A 335 GR P11 Material Grades :
ASTM A 335 GR P11 Alloy Steel Seamless Pipe :
ASTM A 335 GR P11 Other Materials Testing :
NACE MR0175, H2 SERVICE, IBR, etc.

ASTM A 335 GR P11 Dimensions :

All Pipe is manufactured and inspected/tested to the relevant standards including ASTM, ASME, API.

 

ASTM A 335 GR P11 Heat Treatment Requirements

 

P5, P9, P11, and P22

 

 

Grade

Heat Treatment Type

Normalizing Temperature Range F [C]

Subcritical Annealing 
or Tempering 
Temperature Range F 

[C]

P5 (b,c)

Full or Isothermal Anneal

 

 

Normalize and Temper

*****

1250 [675]

 

Subcritical Anneal (P5c   only)

*****

1325 - 1375 [715 - 745]

P9

Full or Isothermal Anneal

 

 

Normalize and Temper

*****

1250 [675]

P11

Full or Isothermal Anneal

 

 

Normalize and Temper

*****

1200 [650]

P22

Full or Isothermal Anneal

 

 

Normalize and Temper

*****

1250 [675]

P91

Normalize and Temper

1900-1975 [1040 - 1080]

1350-1470 [730 - 800]

 

Quench and Temper

1900-1975 [1040 - 1080]

1350-1470 [730 - 800]

 

ASTM A 335 GR P11 Chemical Requirements

Grade

P-5

P-9

P-11

P-22

P-91

P-91 shall also include the following:

Element

UNS Designation

K41545

S50400

K11597

K21590

K91560

 

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

Manganese

0.30 - 0.60

0.30 - 0.60

0.30 - 0.60

0.30 - 0.60

0.30 - 0.60

N at 0.030 - 0.070

Phosphorous, max

0.025

0.025

0.025

0.025

0.020

Ni at 0.40 max

Sulfur, max

0.025

0.025

0.025

0.025

0.010

Al at 0.02 max

Silicon

0.50 max

0.25 - 1.00

0.50 - 1.00

0.50 max

0.20 -0.50

Cb at 0.06 - 0.10

Chromium

4.00 - 6.00

8.00 - 10.00

1.00 - 1.50

1.90 - 2.60

8.00 - 9.50

Ti at 0.01 max

Molybdenum

0.45 -0.65

0.90 - 1.10

0.44 - 0.65

0.87 - 1.13

0.85 - 1.05

Zr at 0.01 max

 

ASTM A 335 GR P11 Tensile Requirements

  Seamless  
P-5 P-9 P-11 P-22 P-91 P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].
Tensile   Strength, min.,   psi
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  

 

ASTM A 335 GR P11 Permissible Variation in Wall Thickness

NPS [DN] Designator Tolerance, % from Specified
Over Under
1/8 to 2 1/2 [6 to 65] incl., all t/D ratios 20.0% 12.5%
Above 2 1/2  [65], t/D < or = 5% 22.5% 12.5%
Above 2 1/2  [65], t/D > 5% 15.0% 12.5%
(t = Specified Wall Thickness; D = Specified Outside   Diameter)

ASTM A335 / SA335 Alloy Steel P11 Seamless Pipes other Available Types

Alloy Steel P11 Pipes Alloy Steel P11 Seamless Pipe
ASTM A335 Alloy Steel P11 Pipes Chrome Moly Grade P11 Seamless Pipes
ASTM A691 Alloy Steel EFW Pipes ASME SA335 Chrome Moly P11 Pipes
Grade P11 Chrome Moly Seamless Pipes Alloy Steel P11 Seamless Pipes Supplier
AS Grade P11 Seamless Pipe ASTM A691 Alloy Steel Pipes
Alloy Steel UNS K11597 Pipes Alloy Steel Gr. P11 High Pressure Steel Pipe
ASTM A335 Grade P11 Pipe AS P11 Seamless Pipes Stockiest
Chrome Moly P11 Pipe Exporter ASME SA335 Alloy Steel P11 Pipe Dealer

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