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Alloy Steel Pipes and Alloy Steel Tubes

Alloy steel Pipe Manufacturer in India, Alloy Steel Boiler Tubes, ASTM A335 Alloy Steel Tube, ASTM A691 Alloy Steel Seamless Pipe, Alloy Steel High Pressure Pipe Supplier and Exporter in India

Alloy Steel Welded Tubes, Alloy Steel Boiler Tube Manufacturer, Alloy Steel Chrome Moly Pipes, ASTM A213 Alloy Steel Seamless Tube, Alloy Steel Tubes Suppliers, Alloy Steel EFW Pipes Manufacturers in India.

Kalapataru Piping Solutions stands as a prominent manufacturer, specializing in the production of high-quality Alloy Steel Pipes and Tubes. These Alloy steel seamless pipes find applications across diverse industries owing to their exceptional attributes, including impressive tensile strength, wear resistance, fatigue resistance, toughness, and yield strength. Alloy Steel Pipes & tubes play a pivotal role in various industries, including nuclear power, power plants, petroleum, and gas. Our extensive range encompasses pipes of varied material grades, dimensions, shapes, and types.

As leading Alloy Steel Pipes suppliers in India, we specialize in the production of seamless pipes and welded pipes. The seamless variety is crafted through drawing procedures, involving either cold or hot drawing methods to shape the raw material into seamless pipes, ensuring a smooth finish. Both hot rolling and cold rolling techniques contribute to the manufacturing of seamless alloy steel pipes. On the other hand, welded pipes are created by welding various forms of materials. Typically, strips and plates are employed to weld the ends together, forming the welded pipes. The welding process can take either a spiral or longitudinal approach, offering flexibility to cater to diverse industrial requirements.

Alloy steels are divided into high and low alloy categories based on alloying percentages. Low alloy steel pipes have less than 5% alloying content, while high alloy steels range from 5% to around 50%. Alloy steel pipe fittings offer approximately 20% higher working pressure than welded pipes, making them suitable for high-pressure applications despite the higher cost. These seamless alloy steel pipes find use in scenarios requiring moderate corrosion resistance, excellent durability, and cost-effectiveness. High Temperature Alloy Steel Boiler Pipes handle temperatures up to 500°C, making them suitable for applications like drilling rigs where Alloy Steel Drill Pipes must endure pressure differentials.

Alloy steel Pipe & Tube Specifications

Alloy steel pipes and tubes offer a unique blend of strength, durability, and corrosion resistance, making them the ideal choice for a wide range of demanding applications. Whether you’re navigating extreme temperatures in refineries or battling harsh environments in offshore platforms, alloy steel pipes and tubes provide the reliable performance you need.

Specifications ASTM A 335 ASME SA 335
Dimensions ASTM, ASME and API
Size 1/8″NB TO 30″NB IN
Tubing Size 1 / 2” OD up to 5” OD, customs diameters also available
Outer Diameter 6-2500mm; WT:1-200mm
Schedule SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Grade STM A335 Gr. P5, P9, P11, P12, P21, P22 & P91, ASTM A213 – T5, T9, T11, T12, T22, T91, ASTM A691
Length Within 13500mm
Type Seamless / Fabricated
Form Round, Hydraulic Etc
Length Single Random, Double Random & Cut Length.
End Plain End, Beveled End, Treaded

Alloy Steel Pipe & Tube Chemical Composition

Alloy steel pipes and tubes boast a precise chemical mix of elements for unique properties. Chromium enhances corrosion resistance, molybdenum boosts strength, and nickel adds toughness. Tailored for specific applications, this composition ensures resilience in demanding industries like oil and gas, petrochemicals, and power generation.

Grade

UNS

C=

Mn

P=

S=

Si=

Cr

Mo

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

0.30~ 0.60

0.025

0.025

0.50

4.00~ 6.00

0.44~ 0.65

P5b

K51545

0.15

0.30~ 0.60

0.025

0.025

1.00~ 2.00

4.00~ 6.00

0.44~ 0.65

P5c

K41245

0.12

0.30~ 0.60

0.025

0.025

0.50

4.00~ 6.00

0.44~ 0.65

P9

S50400

0.15

0.30~ 0.60

0.025

0.025

0.50~ 1.00

8.00~ 10.00

0.44~ 0.65

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

P12

K11562

0.05~ 0.15

0.30~ 0.60

0.025

0.025

0.50

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

2.65~ 3.35

0.80~ 1.60

P22

K21590

0.05~ 0.15

0.30~ 0.60

0.025

0.025

0.50

1.90~ 2.60

0.87~ 1.13

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

P92

K92460

0.07~ 0.13

0.30~ 0.60

0.020

0.010

0.50

8.50~ 9.50

0.30~ 0.60

Mechanical Properties Of Alloy Steel Pipe & Tubes

Tensile Strength, MPa

Yield Strength, MPa

Elongation, %

415 min

205 min

30 min

Alloy Steel Grade Pipe Heat Treatment

The chemical composition filler wire for stainless steel can vary based on the specific grade or type of stainless steel being used. Different grades of stainless steel have varying alloy compositions to achieve specific properties such as corrosion resistance, strength, and heat resistance. Below is a generalized table representing the common elements found in filler wire for stainless steel:

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]

Types of Alloy Steel Pipe & Tube

Alloy steel pipes and tubes are crucial in diverse industrial applications, offering tailored solutions based on the manufacturing process. Alloy Steel Seamless Pipes provide seamless strength and pressure resistance, while Alloy Steel Welded Pipes offer cost-effective alternatives. Alloys like P1, P5, P9, P11, P22, P91, known for high temperature and corrosion resistance.

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