• Metallica is one of the largest manufacturer and supplier of ASTM A519 seamless carbon and alloy steel tubes in India. We offer carbon and alloy steel ASTM A519 1020, ASTM A519 1025, ASTM A519 1026, ASTM A519 1035, ASTM A519 1045, ASTM A519 4130, ASTM A519 4140 seamless tubes in size range of 15.9mm to 323.8mm, with wall thickness: 3.5mm to 12.7mm in standard and custom lengths. As one of the most professional A519 seamless carbon and alloy steel tubes manufacturers and suppliers in India, we have one of the biggest steel pipe factory at your service. Metallica owns three warehouses, one factory and 3 offices mainly producing and marketing seamless carbon steel tube, alloy seamless steel tube, seamless & welded stainless steel tube, as well as nickel alloy tubes.
  • As one of the largest alloy seamless tubing supplier and manufacturer in India, we are capable of offering the best prices for alloy seamless tubing. All alloy seamless tubings are produced to meet the toughest quality requirements from our customers. Alloy steel seamless tubing produced by Metallica are capable of handling with high pressure and temperature. We at Metallica, guarantee you lowest prices from our stock of over 300 tons in alloy steel seamless tubings. Alloy seamless tubings are mainly used for producing high temperature heat exchangers. Prices for alloy seamless tubings mainly depend on the size and radius of the seamless tubings. Since the pricing of alloy seamless tubing is dependent on the design of the seamless tubings , we can quote the prices, on receipt of inquiries from our customers.
  • Metallica offers high quality of  ASME SA519, ASTM A519 seamless mechanical steel tube to customers across the globe and in India. In addition to supplying ASTM A519 carbon and alloy steel tubes, Metallica also offers fabrication services that include cutting, bending, shearing and saw cutting for all of kinds of seamless steel pipes and tubes. Our primary objective is to ensure that our customers receive A519 tubes at competitive prices, together with excellent service.
Alloy Steel Seamless Tubing Manufacturer, Wholesaler, Dealer, Supplier and Distributor In India and Abroad
  • As one of the largest manufacturer of Alloy Seamless Tubing, we have over 6000 tons in stock

  • Alloy Steel Seamless Tubing Available at around Rs. 550/KG for Sale in India.

  • Our Annual Sales Volume for Alloy Steel Seamless Tubing is Over 25,000 tons in India and Overseas.

  • Alloy Steel Seamless Tubing, are Sold with Complete Range of Related Pipe Fittings and Flanges

  • On-Time Delivery with Quality Assurance and Price Guarantee for Steel Seamless Tubing

  • All our alloy steel seamless pipes and tube products are supplied with 3.1 specific test certificates, according to EN 10204. Certification according to 3.2 can be agreed at the time of ordering.

Even traders find it beneficial to purchase seamless tubings from us. Alloy steel pipes are manufactured as per the ASTM standards. All materials are also available in accordance to equivalent DIN/ EN standards and grades. Email Us on sales@metallicametals.com | Call Us On +918928722715.

Types of Alloy Steel Seamless Tubing

Alloy Steel Pipe ELBOWS 45°, 90°, 180°, ASME B16. 9 Nut and Bolts
Alloy Steel Induction Bends ASTM A519: 1010-1045, 4130-4142, 5135
Gaskets Alloy Steel Tees Straight, Reducing,
Alloy Steel Concentric & Eccentric Reducers Alloy Steel Forged Steel Fittings: ASME B16.11
A333 Grade Pipe JIS Specification Pipe & Tube
Alloy Steel Pipe Flanges as per ANSI B16.5 ASTM A335 Grade P22 Alloy Steel Pipe
ASME SA335 Grade P5 ASTM A335 P11
ASTM A335 P12 ASTM A335 P91 Pipe
ASME SA213 Grade T11 SA335 Grade P9
Alloy Steel Pipe Manufacturers Alloy Steel Tube Manufacturers
Alloy Steel Seamless Pipe Manufacturers Alloy Steel Seamless Tube Manufacturers
Alloy Steel Pipe Stockist Alloy Steel Pipe Suppliers

Production, Specification, Stock Range of Alloy Steel Seamless Tubing

ASTM A519 Carbon and Alloy Steel Seamless Tubes

Product ASTM A519 Seamless Carbon and Alloy Mechanical Tubing
Specification ASTM A519
Type Seamless
Size 15.9mm to 323.8mm
Thickness 3.5mm to 12.7mm
Length 6000mm, 12000m, Single Random Length, Double Random Length, or as customer’s requirement.
Grades 1008, 1018, 1020, 1025, 1035, 1045, 1050, 1118, 1137, 4130, 4140.
Test Certificates Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
Coating Tubing shall be coated with a film of oil before shaping to retard rust. tubing may be coated with a rust retarding oil on the outside and inside surfaces, at the option of the manufacturer.
Appearance The tubing shall be free of laps, cracks, seams, and other defects as is consistent with good commercial practice.The surface finish will be compatible with the condition to which it is ordered.
Applications Mechanical engineering, mechanical and pressure use,and also for transporting steam,water,gas and etc.

What is the difference between Alloy Steel Pipe and Tube?

Although pipes and tubes may look similar, they are in fact quite different in nomenclature and sizing. Remember that pipes and tubes are rarely interchangeable. The difference between pipe and tube include:

  • Shape – Pipes are always round, whereas tubes can be square, rectangular or round.
  • Tolerances – Pipe tolerances are set but not too restrictive. Tube tolerances are very strict – (Production process is generally lengthy and involves many quality checks around key dimensional parameters such as straightness, roundness, wall thickness, surface, etc.).
  • Measurement – Pipes are generally measured by the inside diameter (ID), often called the “nominal” diameter, and a “schedule”, which refers to the wall thickness whereas for tubes, the outer diameter (OD) and wall thickness, which are exact measures in inches or millimeters roughly corresponds to the tube size. For tubes, the difference between the outside diameter and the wall thickness, multiplied by two, defines the inside diameter of the tube.
  • Telescoping Abilities – Tube can be telescoped. Pipe, on the other hand, does not have a flash weld. DOM (Drawn over Mandrel) Tube is the best material for telescoping because the inside flash weld has been removed.
  • Rigidity – Although copper and brass tubes can be shaped relatively easily, tubes are are typically rigid. Pipes, on the other hand, are invariably rigid and cannot be shaped without special equipment.
  • Applications – Pipes are used in all process fluids and services. Tubes are generally used in tracing lines, tubes for heat exchanger, fired heater and in instrument connection. Tubes are also used as primary load bearing member in steel structure for the civil application.
  • Metal Types – Tube is available in hot rolled steel and cold rolled steel. Pipe is typically black steel (hot rolled). Both items can be galvanized.
  • Size – Pipes are typically larger than tubes.
  • Strength – Tubes are stronger than pipes.

Standards & Codes Specification

Commonly Used Standards and Codes
Sr. No Code Standards
1 ANSI B16.11 Pipe Flanges and Flanged Fittings.
2 ANSI B 16.5 Flanges
3 MSS SP-44 Large Dia Flanges.
4 ASME B 16.47 (SERIES A & B) Large Dia Flanges.
5 DIN Flanges
6 BS 4504 Flanges
7 ASTM A105 Forging, Carbon Steel for piping components
8 ASTM A182 Forged & Rolled Alloy Steel Pipe Flanges. Forged Fittings & Valves and parts for high temperature services.
9 ASTM A 350 Carbon & Low Alloy Steel, requiring notch toughness testing for piping components
10 ASTM A 515 Standard specifications for Pressure Vessel-Plates Carbon Steel for intermediate and higher temperature services.
11 ASTM A 516 Standard Specifications for Pressure Vessel Plates Carbon steel for Moderate and lower temperature services.
12 ASTM A 517 Standard specifications for Pressure Vessel Plates Alloy Steel High Strength Quenched & Tempered.
13 ASTM A 333 Standard specification for Seamless & Welded Steel Pipe for Low Temperature Services.
14 ASTM A 335 Standard Specification for Seamless Ferritic Alloy steels pipe for High Temperature Services.
15 IS 2002 Specification for steels Plates for Boilers.
16 IS 2062 Specification for weldable structure steel.
17 IS 1239 Mild Steel Tubes Tubular & other wrought steel fittings specification.
18 IS 3589 Mild Steel Tubes Tubular & other wrought steel fittings specification.

Chemical Composition Of Alloy Steel Seamless Tubings

Chemical Composition of ASTM A519 Carbon and Alloy Steel Mechanical Tubes

Chemical Requirements of Carbon Steels
Chemical Composition Limits, %
C Mn
P, max
S, max
1008 0.10 max 0.30–0.50 0.040 0.050
1010 0.08–0.13 0.30–0.60 0.040 0.050
1018 0.15–0.20 0.60–0.90 0.040 0.050
1020 0.18–0.23 0.30–0.60 0.040 0.050
1025 0.22–0.28 0.30–0.60 0.040 0.050
1026 0.22–0.28 0.60–0.90 0.040 0.050
1035 0.32–0.38 0.60–0.90 0.040 0.050
1040 0.37–0.44 0.60–0.90 0.040 0.050
1045 0.43–0.50 0.60–0.90 0.040 0.050
1050 0.48–0.55 0.60–0.90 0.040 0.050
Chemical Requirements of Resulfurized or Rephosphorized, or Both, Carbon Steels 
Chemical Composition Limits, %
C Mn  P S
1118 0.14–0.20 1.30–1.60 0.040 max 0.08–0.13
1137 0.32–0.39 1.35–1.65 0.040 max 0.08–0.13
Chemical Requirements for Alloy Steels
Chemical Composition Limits, %
C Mn
P, C max
S, C,D max
Si Cr
4130 0.28–0.33 0.40–0.60 0.040 0.040 0.15–0.35 0.80–1.10 0.15–0.25
4135 0.32–0.39 0.65–0.95 0.040 0.040 0.15–0.35 0.80–1.10 0.15–0.25
4140 0.38–0.43 0.75–1.00 0.040 0.040 0.15–0.35 0.80–1.10 0.15–0.25
4145 0.43–0.48 0.75–1.00 0.040 0.040 0.15–0.35 0.80–1.10 0.15–0.25

Effects of Alloying Elements on Steel

•Manganese – strength and hardness; decreases ductility and weldability; effects hardenability of steel.
•Phosphorus – increases strength and hardness and decreases ductility and notch impact toughness of steel.
•Sulfur decreases ductility and notch impact toughness Weldability decreases. Found in the form of sulfide inclusions.
•Silicon – one of the principal deoxidizers used in steel making. In low-carbon steels, silicon is generally detrimental to surface quality.
•Copper – detrimental to hot-working steels; beneficial to corrosion resistance (Cu>0.20%).
•Nickel – ferrite strengthener; increases the hardenability and impact strength of steels.
•Molybdenum –  increases the hardenability; enhances the creep resistance of low-alloy steels.

What are the Steel Pipe Sizes?

Steel pipe sizes

Pipe size is quoted as a “Nominal Pipe Size” or NPS. The origin of the NPS numbers for smaller pipes (< NPS 12) is different to the origin for larger diameter pipes. However, all pipes of a specific NPS number have the same external or outer diameter (OD). The internal diameter will vary depending on the wall thickness of the metal. The reason for this is so that the same structural supports can be used for all piping of a specific NPS number regardless of the wall thickness.


Steel pipe schedules are a way to describe the wall thickness of the pipe. This is a critical parameter as it is directly related to the strength of the pipe and the suitability for specific applications. A pipe schedule is a dimensionless number and is calculated based on the design formula for wall thickness, given the design pressure and allowable stress.

Examples of schedule numbers are as follows: 5, 5S, 10, 20, 30, 40, 50, 60, 80, 100, 120, 140, 160, STD, XS, and XXS—with the most common being schedules 40 and 80. As the schedule number increases, the wall thickness of the pipe increases. The schedule number of a pipe therefore defines the internal diameter, as the OD is fixed by the NPS number.

Over 10000 Tons in Stock for Alloy Steel Seamless Tubing!

ISMT & Jindal Steel Pipes Dealers, Original MTR's Provided with All Materials

As one of the biggest alloy steel seamless tubing stockholder and supplier in India, Metallica carries inventory of over 10,000 tons in its warehouses in Mumbai, Maharashtra India. We sell our alloy steel seamless tubing products throughout India, and to international clients. We can supply our alloy steel seamless tubing products not only in industry-standard lengths and diameters, but also in custom length and diameters.

How are Steel Pipes Certified?

Certification of Steel Pipes

Manufacturers issue a Material Test Report or Mill Test Report to validate that the product meets the chemical analysis and mechanical properties specification. The MTR will contain all relevant data to the product and will accompany the product through its lifecycle.

The following are typical parameters that may be recorded on an MTR:

  • Chemical composition including carbon content, alloys, and sulfur
  • Material size, weight, identification, and grade
  • Material heat number, which ties back to the processing batch
  • Mechanical properties like tensile strength, yield strength, and elongation

At Metallica, we will Provide you with Original MTR’s for all Alloy Steel Pipe Products! We will Send Our Test Certificates, along with Quotation