ASTM A335 Chromoly Steel Pipe Suppliers, Alloy Steel Chrome Moly Round Pipes Exporters

Stockholder of Alloy Steel Chrome Moly Seamless Pipes, Buy Cr-Mo Steel Pipes, ASTM A335 Chrome Moly Pipe at low cost

TubeWell is a recognized exporter and manufacturer of Alloy Steel Chrome Moly Pipes, which are quality-tested to deliver perfectly finish products to our customers. Alloy Steel Chrome Moly Seamless Pipes is known for Excellent quality, Resistant against corrosion, Sturdiness, Elevated quality, Rust free nature, Longer life, and more. Attributable to high strength and top quality, ASTM A335 Grade P12 Chrome Moly Pipes are enormously admired in the market.

Chrome Moly Pipe
Chrome Moly Pipe
Alloy Steel Chrome Moly Seamless Pipes
Alloy Steel Chrome Moly Seamless Pipes
Alloy Steel Chrome Moly Pipes
Alloy Steel Chrome Moly Pipes

ASME SA 335 Chrome Moly Pipe, ASTM A335 Chrome Moly Pipe, ASTM A335 Chrome Moly Pipe, SA335 Chromium Molybdenum Alloy Pipe, ASME SA335 Chrome Moly Steel Rectangular Pipe, A335 Chrome Moly Hydraulic Pipe is utilized in Furnace parts, Oil burner parts, Heat Treatment baskets and jigs, Carburising boxes, Heat Exchangers, Welding filler wire and electrodes, and more. Chrome Moly Steel Seamless Cold Rolled Pipes is also used in Boiler and furnace manufacturers, Automobiles Pump & Valves, Railways, Defense, Elevators and Escalators, etc. A335 is often called a chrome-moly pipe because of the chemical makeup of Molybdenum (Mo) and Chromium (Cr). Molybdenum increases the strength of steel as well as the impact qualities, resistance to wear, elastic limit, and hardenability. Moly increases the resistance to restrains grain growth softening, and makes chromium steel less susceptible to embrittlement. Moly is the best single added substance that expands high temperature creep quality. ASME SA 335 Chrome Moly Seamless Pipe, IBR Chrome Moly A335 Pipe, High Quality A335 Chrome Moly Pipe, Chrome Moly A335 Seamless Square Pipe, ASTM A335 Chrome Moly Hydraulic Pipe also enhances the corrosion resistance of steel and inhibits pitting.

TubeWell is a recognized exporter and manufacturer of Alloy Steel Chrome Moly Rectangular Pipes, Alloy Steel Chrome Moly Pipes, Chrome Moly ASME SA335 ERW pipe, Chrome Moly ASTM A335 Pipe, ASTM A335 Chrome Moly Pipe, Round Chrome Moly Alloy Steel Pipe which are quality-tested to deliver perfectly finish products to our customers. Alloy Steel Chrome Moly Seamless Pipes is known for Excellent quality, Resistant against corrosion, Sturdiness, Elevated quality, Rust free nature, Longer life, and more. Attributable to high strength and top quality, ASTM A335 Grade P12 Chrome Moly Pipes, Round Chromoly Steel Tube, Chrome-Moly Steel Pipe, IBR Chrome Moly Tubes, ASME SA335 Chrome Moly Alloy Pipe are enormously admired in the market. ASME SA 335 Chrome Moly Pipe, Chromoly Pipe Suppliers is utilized in Furnace parts, Oil burner parts, Heat Treatment baskets and jigs, Carburising boxes, Heat Exchangers, Welding filler wire and electrodes, and more. Silver Chrome Moly Pipe, Galvanized Iron Chrome Moly Tubing, Cold Drawn Chrome Moly Alloy Steel Pipe, 16Mn Chrome Moly Alloy Steel Pipe, Chrome Moly Steel Seamless Cold Rolled Pipes is also used in Boiler and furnace manufacturers, Automobiles Pump & Valves, Railways, Defense, Elevators and Escalators, etc.

Chromium (or chrome) is the basic constituent of stainless steel. Any steel with 12% or more Chrome is viewed as stainless. Chrome is virtually irreplaceable in resisting oxidation at elevated temperatures. Chrome raises the tensile, yield, and hardness at room temperatures. The structure chrome moly alloy steel pipe, Chrome Moly Seamless Alloy Steel Pipe, Chrome Moly Alloy Seamless Tube, 15CrMo Chrome Moly Alloy Steel Pipe, High quality Chrome Moly Alloy Steel Pipe, Chrome Moly Boiler Pipe, Chrome Moly Hot Rolled Black Carbon Seamless Steel Pipe makes it perfect for use in petrochemical plants, refineries, power plants, and oil field services where fluids and gases are transported at extremely high temperatures and pressures. The main objective set by us as manufacturers of Alloy Steel Chrome Moly Round Pipes is to cater to the demands of our esteemed clients with their customized settings. Alloy Steel Chrome Moly Square Pipes are exclusively used in different pipelines and joints in structures, household premises, and buildings.

ASTM A335 Alloy Steel Seamless Pipes Specification

ASTM A335 Chrome Moly Pipe Specifications ASTM A 335, ASME SA 335 
SA335 Chromium Molybdenum Alloy Pipe Size (Seamless) 1/2″ to 36″ NB
ASME SA335 Chrome Moly Steel Rectangular Pipe Thickness Upto 40mm
A335 Chrome Moly Hydraulic Pipe Length 1 Mtr to 14 Mtr Single Random, Double Random & Cut Length
Chrome Moly A335 LSAW Pipe Schedule SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS, UPTO 4″ WALL THICK
ASME SA 335 Chrome Moly Seamless Pipe Form Round, Square, Rectangular, Hydraulic Etc
IBR Chrome Moly A335 Pipe Heat Treatment Spheroidizing / Full annealing / Process annealing / Isothermal annealing / Normalizing / Quenching / Martempering (Marquenching) / Quench and tempering / Austempering

ASTM A335 Chrome Moly Alloy Pipe Chemical Composition

These pipe bear high resistance to rupture at high temperature and pressures. With hydrogen crack resistance and sulfide stress corrosion cracking chrome moly pipe are highly preferred over Carbon pipe.

Grade UN
S
equiv.
C≤ Mn P≤ S≤ Si≤ Cr Mo
Round Chromoly Steel Tube P1 K11522 0.10~0.20 0.30~0.80 0.025 0.025 0.10~0.50 0.44~0.65
ASTM A335 Chrome Moly Pipe 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
SA335 Chromium Molybdenum Alloy Pipe P5 K41545 0.15 0.30~0.60 0.025 0.025 0.5 4.00~6.00 0.44~0.65
ASME SA335 Chrome Moly Steel Rectangular Pipe P5b K51545 0.15 0.30~0.60 0.025 0.025 1.00~2.00 4.00~6.00 0.44~0.65
A335 Chrome Moly Hydraulic Pipe P5c K41245 0.12 0.30~0.60 0.025 0.025 0.5 4.00~6.00 0.44~0.65
Chrome Moly A335 LSAW Pipe P9 S50400 0.15 0.30~0.60 0.025 0.025 0.50~1.00 8.00~10.00 0.44~0.65
ASME SA 335 Chrome Moly Seamless Pipe P11 K11597 0.05~0.15 0.30~0.61 0.025 0.025 0.50~1.00 1.00~1.50 0.44~0.65
IBR Chrome Moly A335 Pipe P12 K11562 0.05~0.15 0.30~0.60 0.025 0.025 0.5 0.80~1.25 0.44~0.65
High Quality A335 Chrome Moly Pipe P15 K11578 0.05~0.15 0.30~0.60 0.025 0.025 1.15~1.65 0.44~0.65
Chrome Moly A335 Seamless Square Pipe P21 K31545 0.05~0.15 0.30~0.60 0.025 0.025 0.5 2.65~3.35 0.80~1.60
ASTM A335 Chrome Moly Hydraulic Pipe P22 K21590 0.05~0.15 0.30~0.60 0.025 0.025 0.5 1.90~2.60 0.87~1.13
Chrome Moly ASME SA335 ERW pipe 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
Chrome Moly ASTM A335 Pipe P92 K92460 0.07~0.13 0.30~0.60 0.02 0.01 0.5 8.50~9.50 0.30~0.60

Chrome Moly Pipes: Werkstoff vs EN vs ASTM

Werkstoff /DIN EN ASTM
1.5415 16Mo3 A335 Grade P1
1.7335 13CrMo4-5 A335 Grade P11, P12
1.7380 10CrMo9-10 A335 Grade P22
1.7362 X11CrMo5 A335 Grade P5
A335 Grade P9
1.4903 X10CrMoVNb9-1 A335 Grade P91

AS Chrome Moly Pipes Tensile Requirements

Tensile Strength, min., psi P-5P-9P-11P-22P-91
ksi6060606085
MPa415415415415585
Yield Strength, min., psi
ksi3030303060
MPa205205205205415

Note: P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].

Chromium-Molybdenum Pipes Mechanical Properties

Mechanical properties P1,P2 P12 P23 P91 P92,P11 P122
Tensile strength 380 415 510 585 620 620
Yield strength 205 220 400 415 440 400

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.

Heat Treatment
A / N+T
N+T / Q+T
N+T

Material & Manufacturer

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

Heat Treatment Requirements

Grade Heat Treatment Type
P5, P9, P11, and P22
Normalizing Temperature Range F [C] Subcritical Annealing or Tempering
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]

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 Chrome Moly Pipes 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

Ordering Information

Orders for material under this specification should include the following, as required, to describe the desired material adequately:

Quantity Feet, meters, or number of lengths
Name of material Seamless Alloy Steel Pipe
Grade P5, P9, P11, P22, P91
Manufacturer 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

Ready stock of Chrome Moly Pipe

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