ISO Approved Manufacturer & Exporter of ASTM A 335/ A691 GR P12 Alloy Steel Seamless & EFW pipes.

ASTM A 335 / A691 GR P12 Alloy Steel Seamless & EFW pipes

Alloy Steel UNS K11562 Pipes, A335 P12 Alloy Steel Seamless Pipe, Alloy Steel ASTM A335 Grade P12 Seamless Pipe Manufacturer, Seamless Ferritic Alloy-Steel P12 Pipe, ASME SA335 Grade P12 Alloy Steel Pipe Supplier in Mumbai, India.

Global Supplier of High Quality Alloy Steel P12 Seamless Pipe, ASTM A335 P12 High Pressure Steel Pipe, Alloy Steel P12 Seamless Pipes, P12 Alloy Steel Boiler Steel Pipe Distributor, Alloy Steel Pipe P12, ASTM A691 Alloy Steel EFW Pipe, P12 High Pressure Steel Pipe Exporter in India.


Sizes (Seamless): 1/2” NB - 24” NB
Wall Thickness available:
Schedule 20 - Schedule XXS (heavier on request) up to 250 mm thk.

Material Grades :

Alloy Steel Seamless Pipe :

ASTM A335 GR.P12, ASTM A335 GR.P5, ASTM A335 GR.P9, ASTM A335 GR.P12, ASTM A335 GR.P12, ASTM A335 GR.P22, ASTM A335 GR.P91

Seamless Tube

Alloy Steel Seamless Tube : A213 T1, T5, T9, T11, T12, T22, T91

Other Materials Testing :

NACE MR0175, H2 SERVICE, IBR, etc.

Dimensions :

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

 

ASTM A 335 GR P12 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 P12 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 P12 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 P12 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 P12 Seamless Pipes other Available Types

Alloy Steel P12 Pipes Alloy Steel P12 Seamless Pipe
ASTM A335 Alloy Steel P12 Pipes Chrome Moly Grade P12 Seamless Pipes
ASTM A691 Alloy Steel EFW Pipes ASME SA335 Chrome Moly P12 Pipes
Grade P12 Chrome Moly Seamless Pipes Alloy Steel P12 Seamless Pipes Supplier
AS Grade P12 Seamless Pipe ASTM A691 Alloy Steel Pipes
Alloy Steel UNS K11562 Pipes Alloy Steel Gr. P12 High Pressure Steel Pipe
ASTM A335 Grade P12 Pipe AS P12 Seamless Pipes Stockiest
Chrome Moly P12 Pipe Exporter ASME SA335 Alloy Steel P12 Pipe Dealer
We export to: