Alloy Steel Pipes And Tubes

Stainless steel is an alloy primarily composed of iron, chromium, nickel, and other elements. It is known for its corrosion resistance due to the formation of a protective oxide layer on its surface. Stainless steel is widely used in various industries where resistance to corrosion, durability, and hygiene are essential.

Our Features

  • Strength

  • Durability

  • Cost-Effectiveness

  • Fire Resistance

Pipes

Alloy steel, on the other hand, is a type of steel that contains alloying elements such as chromium, nickel, molybdenum, or manganese in varying proportions. These alloying elements are added to enhance specific properties like strength, hardness, and wear resistance. Alloy steel is commonly utilized in structural components, machinery parts, and applications where high strength and toughness are required.

Manufacturing process of Alloy steel Pipes

There are many variations you need to.

  • Raw Materials
  • Ironmaking
  • Steelmaking
  • Casting
  • Hot Rolling
  • Cooling and Conditioning
  • Finishing

Throughout the manufacturing process, quality control measures are implemented to ensure that the steel bars meet the required specifications for composition, mechanical properties, and surface finish. This involves regular testing and inspection of the raw materials, intermediate products, and finished bars to ensure consistency and quality.

Bars Manufacturing

Specifications of Alloy steel pipes

Pipe Standard ASTM A335 ASME SA335
Pipe Dimension ANSI/ASME B36.19M, ANSI/ASME B36.10M
Pipe Sizes 1 / 2" NB - 48" NB
Steel Pipe Manufacturing Process Seamless / Welded / Fabricated / CDW / 100% X Ray Welded
Alloy Steel Pipe Schedule SCH 5, SCH10, SCH20, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Pipe Ends Bevelled Ends, Plain Ends, Threaded Ends, Buttweld Ends, Flanged Ends.
Delivery Condition Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Value Added Services Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing

CHEMICAL COMPOSITION

ASTM A335
Low-Alloy Steel
(Grades)		 UNS
h equivalent 		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 0.5 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 0.5 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 0.5 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 0.5 2.65~3.35 0.80~1.60
P22 K21590 0.05~0.15 0.30~0.60 0.025 0.025 0.5 1.90~2.60 0.87~1.13
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
P92 K92460 0.07~0.13 0.30~0.60 0.02 0.01 0.5 8.50~9.50 0.30~0.60

MECHANICAL COMPOSITION

Hardness
A335 Low-Alloy Pipe UNS Number Yield Strength ksi Tensile Strength ksi Elongation % Rockwell Brinell
P1 K11522 30 55 30 – –
P2 K11547 30 55 30 – –
P5 K41545 40 70 30 – 207 max
P9 S50400 30 60 30 – –
P11 K11597 30 60 20 – –
P12 K11562 32 60 30 – 174 max
P22 K21590 30 60 30 – –
P91 K91560 60 85 20 – –

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Our Application Industry

Powerplant Industry

Defense Industry

Paper Industry

Dairy Industry

Automotive Industry