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Alloy Steel Pipe

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Alloy Steel Pipe

Alloy Steel Pipe Manufacturer, Supplier and Exporter

Alloy Steel Pipes are widely used in high-temperature and high-pressure industrial environments. These pipes contain alloying elements such as chromium, molybdenum and nickel that enhance strength, corrosion resistance and heat tolerance. Industries such as power plants, petrochemical facilities, refineries and boilers depend on alloy steel piping systems for reliable performance.

We supply high-quality alloy steel pipes manufactured according to international standards and available in multiple grades including A335 P11 Pipes, A335 P22 Pipes, A335 P91 Pipes, A358 CL1 SS304 Pipes, A358 CL1 SS316 Pipes and A358 CL1 SS321 Pipes. These pipes are known for durability, excellent mechanical strength and resistance to extreme temperatures.

Alloy Steel Pipe

Alloy Steel Pipe Manufacturer, Supplier and Exporter

Alloy Steel Pipes are widely used in high-temperature and high-pressure industrial environments. These pipes contain alloying elements such as chromium, molybdenum, and nickel that enhance strength, corrosion resistance, and heat tolerance. Industries such as power plants, petrochemical facilities, refineries, and boilers depend on alloy steel piping systems for reliable performance.

We supply high-quality alloy steel pipes manufactured according to international standards and available in multiple grades including A335 P11 Pipes, A335 P22 Pipes, A335 P91 Pipes, A358 CL1 SS304 Pipes, A358 CL1 SS316 Pipes, and A358 CL1 SS321 Pipes. These pipes are known for durability, excellent mechanical strength, and resistance to extreme temperatures.

ASTM A335 Alloy Steel Pipes

ASTM A335 specification covers seamless ferritic alloy-steel pipes used for high-temperature service applications. These pipes are commonly used in boilers, heat exchangers, and pressure systems where high strength and corrosion resistance are required.

Available Grades

  • A335 P11 Pipes
  • A335 P22 Pipes
  • A335 P91 Pipes

ASTM A358 CL1 Stainless Steel Pipes

ASTM A358 pipes are electric fusion welded stainless steel pipes designed for high-temperature service. They are widely used in chemical processing, refineries, and industrial piping systems.

Available Grades

  • A358 CL1 SS304 Pipes
  • A358 CL1 SS316 Pipes
  • A358 CL1 SS321 Pipes

Alloy Steel Pipe Material Specification

Specification Details
StandardASTM A335 / ASTM A358
GradesP11, P22, P91, SS304, SS316, SS321
Pipe TypeSeamless / Welded
Size Range1/8″ NB to 24″ NB
Outer Diameter19.05 mm – 114.3 mm
Wall Thickness2 mm – 14 mm
LengthUp to 16 meters
Pipe EndPlain End, Beveled End, Threaded
ShapeRound, Square, Rectangular

ASTM A335 P11 Pipe Chemical Composition

ElementPercentage (%)
Carbon (C)0.05 – 0.15
Manganese (Mn)0.30 – 0.60
Phosphorus (P)≤0.025
Sulfur (S)≤0.025
Silicon (Si)0.50 – 1.00
Chromium (Cr)1.00 – 1.50
Molybdenum (Mo)0.44 – 0.65

These alloying elements improve oxidation resistance, mechanical strength, and temperature tolerance.

Mechanical Properties of A335 P11 Pipes

PropertyValue
Tensile Strength415 MPa minimum
Yield Strength205 MPa minimum
Elongation30% minimum
Hardness179 HBW maximum

These mechanical properties allow the pipes to operate safely in high-temperature and high-pressure applications.

Heat Treatment of Alloy Steel Pipes

GradeHeat Treatment TypeNormalize Temp °CTemper Temp °C
P11Normalize and Temper900–950650
P22Normalize and Temper900–950675
P91Normalize and Temper1040–1080730–800

Heat treatment improves strength, hardness, and durability of the alloy steel pipes.

Alloy Steel Pipe Size Chart

Nominal Pipe SizeOuter Diameter (mm)Wall Thickness (mm)
1/2″21.32.77
1″33.43.38
2″60.33.91
4″114.36.02
6″168.37.11

Alloy Steel Pipe Weight Chart

Pipe SizeScheduleWeight per Meter
1″SCH 402.50 kg
2″SCH 405.44 kg
4″SCH 4010.79 kg
6″SCH 4018.97 kg

Applications of Alloy Steel Pipes

Alloy steel pipes are used in many industries due to their strength and corrosion resistance.

  • Power generation plants
  • Oil and gas refineries
  • Petrochemical plants
  • Boiler systems
  • Heat exchangers
  • Chemical processing industries

Types of Alloy Steel Pipes

  • A335 P11 Pipes
  • A335 P22 Pipes
  • A335 P91 Pipes
  • A358 CL1 SS304 Pipes
  • A358 CL1 SS316 Pipes
  • A358 CL1 SS321 Pipes

Best A335 P11 Pipes Supplier in India

We are a best-rated A335 P11 Pipes Supplier in India, offering seamless ferritic alloy steel pipes for high-temperature services in power plants, refineries, and petrochemical industries.

Top A358 CL1 SS304 Pipes Supplier in India

As a top A358 CL1 SS304 Pipes Supplier in India, we offer corrosion-resistant stainless steel pipes ideal for hygienic industries such as dairy, pharma, and food processing.

Best A335 P91 Pipes Supplier in Maharashtra

We are a best A335 P91 Pipes Supplier in Maharashtra, supplying high-performance pipes for nuclear, thermal, and boiler industries.

Top A335 P91 Pipes Supplier in Bangalore

We are a top A335 P91 Pipes Supplier in Bangalore, delivering alloy pipes used in critical heat-intensive environments like superheaters and reheaters.

Best A335 P91 Pipes Exporters in Surat

We are a best A335 P91 Pipes Exporter in Surat, exporting pipes with excellent resistance to thermal fatigue and mechanical stress.

Rated A358 CL1 SS321 Pipes Supplier in Rajasthan

We are a rated A358 CL1 SS321 Pipes Supplier in Rajasthan, offering titanium-stabilized pipes that perform in elevated temperatures and corrosive media.

Why Choose Our Alloy Steel Pipes

  • Large stock of ASTM alloy steel pipes
  • High quality manufacturing standards
  • Competitive pricing and fast delivery
  • Custom sizes available
  • Worldwide export capability

Get a Quote for Alloy Steel Pipes

If you are looking for A335 P11 Pipes, A335 P22 Pipes, A335 P91 Pipes, A358 CL1 SS304 Pipes, A358 CL1 SS316 Pipes, or A358 CL1 SS321 Pipes, contact our team today for technical details, pricing, and delivery information.