A335 Chrome Moly Pipe Suppliers In India, A335 Chrome Moly Pipe Manufacturers In India

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A335 Chrome Moly Pipe Suppliers In India, A335 Chrome Moly Pipe Manufacturers In India

Chrome Moly Pipe Suppliers In India, A335 Chrome Moly Pipe Manufacturers In India

A335 Chrome Moly Pipe, A335 Chrome Moly Seamless Pipe, Astm A335 Chrome Moly Pipe, Chrome Moly A335, A335 Chrome Moly Tubing, Chrome Moly Tube Suppliers, Chrome Moly Pipe Suppliers, P11 Chrome Moly Steel, P11 P22 P9 And P91 Material

Astm A335 Alloy Steel Pipe Suppliers, Astm A335 Alloy Steel Pipe Exporters, Astm A335 Alloy Steel Pipe Manufacturers, Astm A335 Alloy Steel Pipe Distributors

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ASTM A335 Chrome Moly Pipe

Alloy Steel Seamless Pipe Suppliers Exporters in IndiaASTM A335 Pipe (ASME S/A335, Chorme-Moly) is a seamless ferritic Alloy-Steel Pipe for high temperature service. Pipe ordered to this specification shall be suitable forbending, flanging (vanstoning), and similar forming operations, and for fusion welding.  Sometimes referred to as “P Grade”, chome moly pipe is popular in P-Grades P5, P9, P11, P22, and P91.  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. 

A335 is often called chrome moly pipe because of the chemical makeup of Molybdenum (Mo) and Chromium (Cr). Molybdenum increases the strength of steel as well as the elastic limit, resistance to wear, impact qualities, and hardenability.  Moly increases the resistance to softening, restrains grain growth and makes chromium steel less susceptible to embrittlement.  Moly is the most effective single additive that increases high temperature creep strength.  It also enhances the corrosion resistance of steel, and inhibits pitting.  Chromium (or chrome) is the essential constituent of stainless steel.  Any steel with 12% or more Chrome is considered stainless.  Chrome is virtually irreplaceable in resisting oxidation at elevated temperatures. Chrome raises the tensile, yield, and hardness at room temperatures.  The composition chrome moly alloy steel pipe make it ideal for use in power plants, refineries, petro chemical plants, and oil field services where fluids and gases are transported at extremely high temperatures and pressures.  

Grades: P-5, P-9, P-11, P-22, and P-91

Sizes NPS 1/4'' to NPS 48'' 

Wall Thickness - Schedules 40 through 160, STD, XS, XXS. 

Unscheduled heavy wall pipe thicknesses available up to 4 inches.  

Grade

C

Mn

P

S

Si

Cr

Mo

P5

0.15max

0.30-0.60

0.025

0.025

0.50 max

4.00-6.00

0.45-0.65

P9

0.15 max

0.30-0.60

0.025

0.025

0.25-1.00

8.00-10.00

0.90-1.10

P11

0.05-0.15

0.30-0.60

0.025

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

0.025

0.50 max

1.90-2.60

0.87-1.13

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

Cb 0.06-0.10

Ti 0.01 max

Zr 0.01 max

Mechanical Properties

  Grade P11, P22, P5, P9 Grade P91          
Tensile strength, min, psi, (MPa) 60,000 (415) 85,000 (585)          
Yield strength, min, (MPa) 30.000(205) 60,000 (415)          
               

(Note: This is summarized information from ASME Specification A335. Please refer to the specific Standard or Specification or contact us for more details.)

Tolerance for ASTM A335/ASME SA 335 P5, P9, P11, P22, P91 Seamless Pipes

NPS

OD Tolerance

NPS

WT Tolerance

1/8″ ≤ NPS ≤ 1 1/2″

+/- 0.4

1/8″ ≤ NPS ≤ 2 1/2″ , All T/D ratios.

+20%, -12.5%

1 1/2 < NPS ≤ 4″

+/- 0.79

NPS ≥ 2 1/2″ , T/D ≤ 5%

+22.5%, -12.5%

4″ < NPS ≤ 8″

+1.59, -0.79

NPS ≥ 2 1/2″ , T/D > 5%

+15%, -12.5%

8″ < NPS ≤ 12″

+2.38, -0.79

(T= Specified Wall Thickness; D = Specified Outside Diameter)

NPS > 12″

+/- 1%

 

Alloy Steel Pipe Suppliers Exporters in India

Alloy Steel Seamless Pipe Suppliers Exporters in India

Alloy Steel Pipe in Grade : ASTM A 335 - P5, P9, P11, P12, P21, P22 & P91 Etc. (with IBR Test Certificate)
Alloy Steel Tube in Grade : ASTM A 213 - T-11, T-12, T-22, T-5, T-9 Etc. (with IBR Test Certificate)
In Length of : Standard length, Double length & In Cut length also.
Other Services : Draw & Expansion as per required Size & Length, Heat Treatment, Bending, Anneling, Machining Etc.
Test Certificate : Manufacturer Test Certificate / IBR Test Certificate / Laboratory Test Certificate from Govt. Approved Lab. & Under Third Party Inspection with Excise Gate Pass to avail Modvat benefit.

Alloy Steel Seamless Pipe Suppliers Exporters in India

Sr. No.

Material

Size

Sch. & Swg.

Specification

1

Pipe

15 NB To 300 NB

Sch. 40s To Sch. XXs
Sch 5, Sch 10, Sch 20, Sch 40, Sch 80, Sch 160, Sch Xxs

A-335 Seamless

2.

Tubes

6.35  mm OD To 101.6 mm OD

20 Swg.,18 Swg.,
16 Swg.,14 Swg.,
12 Swg.,10 Swg., 3.6 mm Thk

ASTM A-213
Seamless

Specifications Alloy Steel Pipe & Tubes are as under:

Pipes

Tubes

ASTM A 335 Grade P - 11 ASTM 213 Grade T - 11
ASTM A 335 Grade P - 12 ASTM 213 Grade T - 12
ASTM A 335 Grade P - 22 ASTM 213 Grade T - 22
ASTM A 335 Grade P - 9 ASTM 213 Grade T - 9
ASTM A 335 Grade P - 9 A ASTM 213 Grade T - 9 A
ASTM A 335 Grade P - 5 ASTM 213 Grade T - 5
BS 3604 Grade 620 - 440 BS 3059 Grade 620 - 460
BS 3604 Grade 621
BS 3604 Grade 622 BS 3059 Grade 622 - 490
BS 3604 Grade 625
BS 3604 Grade 629 - 470 BS 3059 Grade 629 - 470
BS 3604 Grade 629 - 590 BS 3059 Grade 629 - 590
BS 3604 Grade 660
BS 3604 Grade 762 BS 3059 Grade 762

 

BS 3059 Grade 243
ASTM 213 Grade T - 2
ASTM 213 Grade T - 1 B
DIN 17175 10 Cr Mo 910
DIN 17175 13 Cr Mo 44
DIN 17175 X 20 Cr Mo V 121
  ASTM 213 Grade T - 1
  DIN 17175 15 Mo 3
  DIN 17175 14 Mo V 63
Alloy Steel Seamless Pipe Suppliers Exporters in India

A335 Pipe Specifications



A/SA335 NPS 1/4" - 24" Schedules 40 through 160, STD, XH and XXH

Scope

This specification covers nominal wall and minimum wall seamless ferritic alloy-steel pipe intended for high temperature service. Pipe ordered to this specification shall be suitable for bending, flanging (vanstoning), and similar forming operations, and for fusion welding.

Material & Manufacture

Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.

Specifications

JFE ASTM A335/ ASME SA335 alloy steel seamless pipe for power plant
Standard:A335
Grade:P1 P2 P5 P9 P11 P12 P15 P22 P91 P92

1. JFE ASTM A335/ ASME SA335 alloy steel seamless pipe for power plant
2.Standard:A335
3.Grade:P1 P2 P5 P9 P11 P12 P15 P22 P91 P92

Type: JFE ASTM A335/ ASME SA335 alloy steel seamless pipe for power plant
Executive standards: ASTM A213/ a335

Grades: T2/T5/T9/T11/T12/T17/T21/T22/T91/T92

A335 P1 P2 P5 P9 P11 P12 P15 P21 P22 P91 P92

Size:6-840mm

Thickness:1-60mm

large diameter with thick wall

Surface:oiled or painted black

Marking:According to custommers' requirements

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]
Alloy Steel Seamless Pipe Suppliers Exporters in India

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
Compositions 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
Alloy Steel Seamless Pipe Suppliers Exporters in India

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

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)
Alloy Steel Seamless Pipe Suppliers Exporters in India

Elongation Requirements

Calculated Minimum Elongation Values
Elongation in 2 in. or 50 mm, min %
Wall Thickness P5, P9, P11, P22 P91
in. mm Longitudinal Transverse Longitudinal
5/16 (0.312) 8 30 20 20
9/32 (0.281) 7.2 28 19 19
1/4 (0.250) 6.4 27 18 18
7/32 (0.219) 5.6 26 17
3/16 (0.188) 4.8 24 16
5/32 (0.156) 4 22 15
7/8 (0.125) 3.2 21 14
3/32 (0.094) 2.4 20 13
1/18 (0.062) 1.6 18 12

Permissible Variations in Outside Diameter

Outside Diameter at any point shall not vary from standard specified more than:
NPS [DN] Designator Over Under
in. mm in. mm
1/8 to 1 1/2 [6 to 40], incl. 1/64 (0.015) 0.40 1/64 (0.015) 0.40
Over 1 1/2 to 4 [40 to 100], incl. 1/32 (0.031) 0.79 1/32 (0.031) 0.79
Over 4 to 8 [100 to 200], incl. 1/16 (0.062) 1.59 1/32 (0.031) 0.79
Over 8 to 12 [200 to 300], incl. 3/32 (0.093) 2.38 1/32 (0.031) 0.79
Over 12 [300] +/- 1% of the specified outside diameter
Alloy Steel Seamless Pipe Suppliers Exporters in India

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

Required Markings on Each Length

On Tags attached to each Bundle in case of Bundled Pipe)
In addition, markings will include:
Length of pipe
Marking to indicate the test method(s)
Hydrostatic Nondestructive Marking
YES NO Test Pressure
NO YES NDE
NO NO NH
YES YES Test Pressure/NDE
Schedule Number
Heat Number or Manufacturer's number by which heat can be identified
An Additional Symbol "S" if the pipe conforms to any Supplementary Requirements
S1 - Product Analysis
S2 - Transverse Tension Test
S3 - Flattening Test
S4 - Metal Structure and Etching Tests
S5 - Photomicrographs
S6 - Photomicrographs for Individual Pieces
S7 - Alternative Heat Treatment - Grade P91
Pipe that has been weld repaired shall be marked "WR".
Alloy Steel Seamless Pipe Suppliers Exporters in India

Reference Documents

  • ASTM A999/A 999M Specification for General requirements for Alloy and Stainless Steel Pipe.
  • ASTM E 213 Practice for Ultrasonic Examination of metal Pipe and Tubing
  • ASTM E 309 Practice for Eddy-Current Examination of Steel Tubular Products Using Magnetic Saturation
  • ASTM E 381 Method of Macroetch testing Steel Bars, Billets, Blooms, and Forgings
  • ASTM E 570 Practice for Flux Leakage Examination of Ferromagnetic Steel Tubular Products
  • ASME B26.10M Welded and Seamless Wrought Steel Pipe

Ordering Information

Quantity Feet, meters, or number of lengths
Name of material Seamless Alloy Steel Pipe
Grade P5, P9, P11, P22, P91
Manufacture Hot-finished or cold-drawn
Size using one of the following:
NPS and Schedule Number
Outside Diameter and Nominal Wall Thickness
Outside Diameter and Minimum Wall Thickness
Inside Diameter and Nominal Wall Thickness
Inside Diameter and Minimum Wall Thickness
Length Specific or Random
End Finish

TABLE 1 Chemical Requirements

Grade
UNS
Designa-
tionA
Composition, %
Carbon
Man-
ganese
Phos-
phorus,
max
Sulfur,
max
Silicon
Chromium
Molybde-
num
Others
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 . . .
P5b K51545 0.15 max 0.30–0.60 0.025 0.025 1.00–2.00 4.00–6.00 0.45–0.65 . . .
P5c K41245 0.12 max 0.30–0.60 0.025 0.025 0.50 max 4.00–6.00 0.45–0.65 . . .B
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 0.030 max 0.010 max 0.50 max 1.90–2.60 0.05–0.30 V 0.20–0.30
Cb 0.02–0.08
B 0.0010–0.006
N 0.015 max
Al 0.030 max
W 1.45–1.75
Ni 0.40 max
Ti 0.005–0.060
Ti/N ≥ 3.5C
P24 K30736 0.05–0.10 0.30–0.70 0.020 0.010 0.15–0.45 2.20–2.60 0.90–1.10 V 0.20–0.30
Ti 0.06–0.10
N 0.012 max
Al 0.02 max
B 0.0015–0.007
P36 K21001 0.10–0.17 0.80–1.20 0.030 max 0.025 max 0.25–0.50 0.30 max 0.25–0.50 Ni 1.00-1.30
Cu 0.50-0.80
Cb 0.015-0.045
V 0.02 max
N 0.02 max
Al 0.050 max
P91 K91560 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 0.030–0.070
Ni 0.40 max
Al 0.02 max
Cb 0.06–0.10
Ti 0.01 max
Zr 0.01 max
P92 K92460 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
Cb 0.04–0.09
W 1.5–2.00
B 0.001–0.006
Ti 0.01 max
Zr 0.01 max
P122 K92930 0.07–0.14 0.70 max 0.020 0.010 0.50 max 10.00–11.50 0.25–0.60 V 0.15–0.30
W 1.50–2.50
Cu 0.30–1.70
Cb 0.04–0.10
B 0.0005–0.005
N 0.040–0.100
Ni 0.50 max
Al 0.020 max
Ti 0.01 max
Zr 0.01 max
P911 K91061 0.09–0.13 0.30–0.60 0.020 max 0.010 max 0.10–0.50 8.5–9.5 0.90–1.10 V 0.18–0.25
Ni 0.40 max
Cb 0.060–0.10
B 0.0003–0.006
N 0.04–0.09
Al 0.02 max
W 0.90–1.10
Ti 0.01 max
Zr 0.01 max
Alloy Steel Seamless Pipe Suppliers Exporters in India

ASTM A335 Chrome Moly Pipe Specification

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