Alloy Steel P9 Seamless Pipes

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ASTM A335 Alloy Steel P9 Seamless Pipes Supplier & Manufacturer

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Alloy Steel P9 Seamless Pipe Table of Content

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Lakshay Steel is a leading manufacturer and supplier of ASTM A335 Alloy steel P9 seamless pipes offering full efficiency pipeline solutions to consumers throughout the world in chemical, refinery and power generating industries. Our P9 pipes are created for increased temperature service providing excellent strength, rust resistance and long term accuracy in demanding environments.

Supported by 25+ years of industry experience we supply Alloy Steel P9 seamless pipes in an array of sizes, wall thicknesses and finishes with customization options including fixed length special coatings and end-preparation. All pipes are produced in accordance with ASTM A335 standards and are delivered with Mill Test Certificates (EN 10204 3.1/3.2), third-party inspection support (SGS, TUV, BV, DNV) and full detectability.

With ready stock quick delivery, cost effective pricing and a customer centric approach, Lakshay Steel stands as your trusted global partner for Alloy Steel Seamless Pipes offering excellent quality and technical support from inquiry to dispatch.

Product Specifications – Alloy Steel P9 Seamless Pipes

Lakshay Steel distributes ASTM A335 Alloy Steel P9 Seamless Pipes with accuracy designed requirements to match the essential demands of high pressure and high temperature environments. These pipes are largely used in boilers, heat exchangers, power plants and petrochemical industries due to their excellent strength, oxidation endurance and durability.

We offer both standard and custom specifications guaranteeing seamless integration with your project need

Key Product Specifications

Specification Category Details
Standard ASTM A335 / ASME SA335 – Grade P9
Size Range ½” NB to 24” NB (Nominal Bore)
Schedules Available SCH 40, SCH 80, SCH 160, XXS, Custom
Pipe Lengths Single Random (SRL), Double Random (DRL), Cut-to-Length
Pipe Ends Plain End (PE), Beveled End (BE), Threaded End (TE)
Pipe Forms Seamless Round Pipes, U-Bent Pipes, Fabricated Spools (on request)
Surface Finish Black Painted, Bare, Varnished, Anti-Corrosive Coated, FBE Coated
Manufacturing Process Hot Finished or Cold Drawn
Dimensional Standards ANSI B36.10, EN, DIN, BS, and custom as per client specs
Compliance NACE MR0175, IBR, PED, ISO, CE Marking
We also support additional value-added services such as hydro testing, custom coatings, cutting, and export-grade packaging.

Looking for specific sizes or project-based solutions? Lakshay Steel offers immediate availability and responsive support for both small and bulk orders.

Material Details – Alloy Steel P9 Seamless Pipes

Alloy Steel P9 Seamless Pipes are produced using a chromium molybdenum alloy that offers excellent performance under high pressure and high-temperature environments. At Lakshya Steel we guarantee each pipe meets stringent metallurgical standards, offering excellent mechanical strength, corrosion resistance, and long service life.

Below are the critical material properties that define the reliability and performance of ASTM A335 P9 seamless pipes:

Chemical Composition of Alloy Steel P9 Seamless Pipes

Carbon (C) Manganese (Mn) Phosphorus (P) Sulfur (S) Silicon (Si) Chromium (Cr) Molybdenum (Mo)
Max 0.15 0.30 – 0.60 Max 0.025 Max 0.025 0.50 – 1.00 8.00 – 10.00 0.90 – 1.10

Note: Chemical values are controlled for consistent weldability and performance under thermal stress.

Mechanical Properties of Alloy Steel P9 Seamless Pipes

Tensile Strength Yield Strength (0.2% offset) Elongation Hardness (HBW) Impact Strength
≥ 415 MPa (60,000 psi) ≥ 205 MPa (30,000 psi) ≥ 30% ≤ 163 HB As per application/standard
These material features make ASTM A335 P9 pipes appropriate for operations involving increased temperatures, cyclic loading and corrosive media. At Lakshya Steel we sustain strict quality checks and testing methods to guarantee continuous material authenticity for every batch distributed.

Equivalent Standard For Alloy steel P9 Seamless Pipes:

GRADE UNS EN BS DIN GOST AFNOR WNR
P9 S50400 – – – – – 1.4903

Alloy Steel P9 Seamless Pipes Outside Diameter :

Hot rolled Outside Diameter, mm Tolerance, mm
OD≤101.6 +0.4/-0.8
101.6＜OD≤190.5 +0.4/-1.2
190.5＜OD≤228.6 +0.4/-1.6
Cold Drawn Outside Diameter, mm Tolerance, mm
OD＜25.4 ±0.10
25.4≤OD≤38.1 ±0.15
38.1＜OD＜50.8 ±0.20
50.8≤OD＜63.5 ±0.25
63.5≤OD＜76.2 ±0.30
76.2≤OD≤101.6 ±0.38
101.6＜OD≤190.5 +0.38/-0.64
190.5＜OD≤228.6 +0.38/-1.14

ASTM A335 Grade P9 Round Pipe Sizes And Schedules:

Hot rolled Outside Diameter, mm Tolerance, mm
OD≤101.6 +0.4/-0.8
101.6＜OD≤190.5 +0.4/-1.2
190.5＜OD≤228.6 +0.4/-1.6
Cold Drawn Outside Diameter, mm Tolerance, mm
OD＜25.4 ±0.10
25.4≤OD≤38.1 ±0.15
38.1＜OD＜50.8 ±0.20
50.8≤OD＜63.5 ±0.25
63.5≤OD＜76.2 ±0.30
76.2≤OD≤101.6 ±0.38
101.6＜OD≤190.5 +0.38/-0.64
190.5＜OD≤228.6 +0.38/-1.14

Grade P9 Fabricated Piping Wall thickness:

Hot rolled Outside Diameter, mm Tolerance, %
OD≤101.6, WT≤2.4 +40/-0
OD≤101.6, 2.4＜WT≤3.8 +35/-0
OD≤101.6, 3.8＜WT≤4.6 +33/-0
OD≤101.6, WT>4.6 +28/-0
OD>101.6, 2.4＜WT≤3.8 +35/-0
OD>101.6, 3.8＜WT≤4.6 +33/-0
OD>101.6, WT>4.6 +28/-0
Cold Drawn Outside Diameter, mm Tolerance, %
OD≤38.1 +20/-0
OD>38.1 +22/-0

ASTM A335 Grade P9 Round Pipe Sizes And Schedules:

O.D. x Thickness(mm) O.D x Thickness(mm) O.D x Thickness(mm)
38.1 x 3.2 57.0 x 4.9 76.2 x 4.0
38.1 x 4.0 57.0 x 6.3 76.2 x 5.0
38.1 x 6.3 57.0 x 7.9 76.2 x 6.3
42.4 x 3.2 60.3 x 3.2 82.5 x 4.5
42.4 x 4.0 60.3 x 3.6 88.9 x 3.2
44.5 x 3.2 60.3 x 5.0 88.9 x 3.6
44.5 x 6.3 63.5 x 3.2 88.9 x 4.0
48.3 x 3.2 63.5 x 3.6 101.6 x 3.6
48.3 x 3.6 63.5 x 4.0 101.6 x 4.5
50.8 x 4.5 63.5 x 6.3 101.6 x 6.3
51.0 x 3.2 63.5 x 7.9 114.3 x 3.6
51.0 x 3.6 70.0 x 3.2 114.3 x 5.0
51.0 x 6.3 70.0 x 3.6 139.7 x 4.0
57.0 x 3.2 70.0 x 6.3 139.7 x 5.0
57.0 x 3.6 76.2 x 3.6 139.7 x 6.3

 

NB Size OD 40S 5S 10S S10 S20 S40 S60 XS/80S S80 S100 S120 S140 S160 XXS
mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm
1/8 10.29 1.2 1.73 2.41
1/4 13.72 1.7 2.24 3.02
3/8 17.15 1.7 2.31 3.2
15 1/2 21.34 2.8 1.7 2.1 2.77 3.73 3.73 4.78 7.47
20 3/4 26.67 2.9 1.7 2.1 2.87 3.91 3.91 5.56 7.82
25 1 33.4 3.4 1.7 2.8 3.38 4.55 4.55 6.35 9.09
32 1 1/4 42.16 3.6 1.7 2.8 3.56 4.85 4.85 6.35 9.7
40 1 1/2 48.26 3.7 1.7 2.8 3.68 5.08 5.08 7.14 10.2
50 2 60.33 3.9 1.7 2.8 3.91 5.54 5.54 9.74 11.1
65 2 1/2 73.03 5.2 2.1 3.1 5.16 7.01 7.01 9.53 14
80 3 88.9 5.5 2.1 3.1 5.49 7.62 7.62 11.1 15.2
90 3 1/2 101.6 5.7 2.1 3.1 5.74 8.08 8.08
100 4 114.3 6 2.1 3.1 6.02 8.56 8.56 11.1 13.5 17.1
125 5 141.3 6.6 2.8 3.4 6.55 9.53 9.53 12.7 15.9 19.1
150 6 168.3 7.1 2.8 3.4 7.11 10.97 11 14.3 18.3 22
200 8 219.1 8.2 2.8 3.8 6.4 8.18 10.3 12.7 12.7 15.1 19.3 20.6 23 22.2
250 10 273.1 9.3 3.4 4.2 6.4 9.27 12.7 12.7 15.1 19.3 21.4 25.4 28.6 25.4
300 12 323.9 9.5 4 4.6 6.4 10.3 14.3 12.7 17.5 21.4 25.4 28.6 33.3 25.4
350 14 355.6 9.5 4 4.8 6.4 7.9 11.1 15.1 12.7 19.1 23.8 27.8 31.8 35.7
400 16 406.4 9.5 4.2 4.8 6.4 7.9 12.7 16.7 12.7 21.4 26.2 31 36.5 40.5
450 18 457.2 9.5 4.2 4.8 6.4 7.9 14.3 19.1 12.7 23.8 29.4 34.9 39.7 45.2
500 20 508 9.5 4.8 5.5 6.4 9.5 15.1 20.6 12.7 26.2 32.5 38.1 44.5 50
550 22 558.8 9.5 4.8 5.5 6.4 9.5 22.2 12.7 28.6 34.9 41.3 47.6 54
600 24 609.6 9.5 5.5 6.4 6.4 9.5 17.5 24.6 12.7 31 38.9 46 52.4 59.5
650 26 660.4 9.5 7.9 13 12.7
700 28 711.2 9.5 7.9 13 12.7
750 30 762 9.5 6.4 7.9 7.9 13 12.7
800 32 812.8 9.5 7.9 13 17.5 12.7
850 34 863.6 9.5 7.9 13 17.5 12.7
900 36 914.4 9.5 7.9 13 19.1 12.7

Weight Of ASTM A335 gr P9 seamless pipes:

Size NPS Pipe O.D. Wall Thickness Pipe I.D. Weight per Foot Standard to XXHY Schedule

Pipe #

 Section Modulus Gallon Capacity Per Linear Foot
1/2 0.84 0.109 0.622 0.85 STD 40 .0407 .0158
0.147 0.546 1.09 XHY 80 .0478 .0122
0.188 0.464 1.31 160 .0528 .0088
0.294 0.252 1.72 XXHY .0577 .0026
3/4 1.05 0.113 0.824 1.13 STD 40 .0705 .0277
0.154 0.742 1.48 XHY 80 .0853 .0225
0.219 0.612 1.95 160 .1006 .0153
0.308 0.434 2.44 XXHY .1103 .0077
1 1.315 0.133 1.049 1.68 STD 40 .1328 .0449
0.179 0.957 2.17 XHY 80 .1606 .0374
0.250 0.815 2.85 160 .1904 .0271
0.358 0.599 3.66 XXHY .2136 .0146
1 1/4 1.66 0.140 1.380 2.27 STD 40 .2346 .0777
0.191 1.278 3.00 XHY 80 .2913 .0666
0.250 1.160 3.77 160 .3421 .0549
0.382 0.896 5.22 .4110 .0328
1 1/2 1.90 0.145 1.610 2.72 STD 40 .3262 .1058
0.200 1.500 3.63 XHY 80 .4118 .0918
0.281 1.338 4.86 160 .5079 .0730
0.400 1.100 6.41 .5977 .0494
2 2.375 0.109 2.157 2.64 10 .4205 .1898
0.154 2.067 3.66 STD 40 .5606 .1743
0.218 1.939 5.03 XHY 80 .7309 .1534
0.250 1.875 5.68 .8045 .1434
0.281 1.813 6.29 .8666 .1344
0.344 1.687 7.47 160 .9806 .1161
0.436 1.503 9.04 XXHY 1.1043 .0922
2 1/2 2.875 0.120 2.635 3.53 10 .6870 .2833
0.203 2.469 5.80 STD. 40 1.0640 .2487
0.216 2.443 6.14 1.1169 .2435
0.250 2.375 7.02 1.2468 .2301
0.276 2.323 7.67 XHY 80 1.3386 .2202
0.375 2.125 10.02 160 1.6371 .1842
0.552 1.771 13.71 XXXHY 1.9971 .1280
3 3.50 0.120 3.260 4.34 1.0411 .4336
0.156 3.188 5.58 1.3122 .4147
0.172 3.156 6.12 1.4265 .4064
0.188 3.124 6.66 1.5342 .3984
0.216 3.068 7.58 STD. 40 1.7241 .3840
0.250 3.000 8.69 1.9372 .3672
0.281 2.938 9.67 2.1207 .3521
0.300 2.900 10.26 XHY 80 2.2253 .3431
0.438 2.624 14.34 160 2.8774 .2811
0.600 2.300 18.6 XXHY 3.4243 .2158
3 1/2 4.0 0.120 3.760 4.98 10 1.3776 .5768
0.226 3.548 9.12 STD. 140 2.3939 .5136
0.250 3.500 10.02 2.6001 .4998
0.281 3.438 11.17 2.8562 .4821
0.318 3.364 12.52 XHY 80 3.1400 .4617
0.636 2..728 22.87 XXHY 4.8795 .3085
4 4.5 0.120 4.260 5.62 10 1.7612 .7404
0.156 4.188 7.24 2.2354 .7156
0.188 4.124 8.67 2.6296 .6942
0.203 4.094 9.32 2.8173 .6838
0.219 4.062 10.02 3.0184 .6725
0.237 4.026 10.80 STD. 40 3.2145 .6613
0.250 4.000 11.36 3.3611 .6528
0.281 3.938 12.67 60 3.7021 .6326
0.312 3.876 13.97 4.0273 .6126
0.337 3.826 15.00 XHY 80 4.2713 .5972
0.438 3.624 19.02 120 5.1790 .5361
0.531 3.438 22.53 160 5.8997 .4822
0.674 3.152 27.57 XXHY 6.7927 .4054
5 5.563 0.188 5.187 10.80 4.1161 1.0979
0.219 5.125 12.51 4.7279 1.0716
0.258 5.047 14.63 STD. 40 5.4500 1.0391
0.281 5.001 15.87 5.8644 1.0204
0.312 4.939 17.51 6.4074 .99647
0.344 4.875 19.19 6.9358 .9696
0.375 4.813 20.80 XHY 80 7.4300 .9449
0.500 4.563 27.06 120 9.2534 .8495
0.625 4.313 32.99 160 10.7976 .7590
0.750 4.063 38.59 XXHY 12.0954 .6734
6 6.625 0.109 6.407 7.59 5 3.5769 1.6748
0.134 6.357 9.30 10 4.3475 1.6488
0.156 6.313 10.79 5.0107 1.6260
0.188 6.249 12.94 5.9351 1.5937
0.203 6.219 13.94 6.3804 1.5780
0.219 6.187 15.00 6.8261 1.5620
0.250 6.125 17.04 7.6905 1.5306
0.280 6.065 18.99 STD. 40 8.4958 1.5008
0.312 6.001 21.06 9.3416 1.4688
0.344 5.937 23.10 10.111 1.4391
0.375 5.875 25.05 10.893 1.4082
0.432 5.761 28.60 XHY 80 12.224 1.3541
0.500 5.625 32.74 13.711 1.2909
0.562 5.501 36.43 120 14.9806 1.2346
0.625 5.375 40.09 16.1821 1.1787
0.719 5.187 45.39 160 17.8243 1.0977
0.864 4.897 53.21 XXHY 20.025 .9784
1.000 4.625 60.13 21.7719 .8727
1.125 4.375 66.14 23.1237 .7809

Types Of Alloy steel P9 Seamless Pipes :

Alloy Steel P9 Seamless Pipes P9 Alloy Steel A335 Pipe
ASTM A335 grade P9 Seamless Pipes ASTM A335 P9 Alloy Steel Seamless Pipe
High Pressure P9 Boiler Pipe ASME SA335 P9 Alloy Steel Rectangular Pipe
Alloy Steel P9 Seamless Pipes Alloy Steel Gr P9 Heater Pipe
ASME SA 213 Alloy Steel P9 Seamless Pipe IBR Alloy Steel P9 Seamless Pipes
Alloy Steel P9 Custom Pipes ASME SA / ASTM A335 P9 Seamless Pipes
Alloy Steel Grade P9 Round Pipe ASME SA335 P9 Seamless Pipes Suppliers
Alloy A335 P9 Seamless Square Pipe ASME SA335 P9 Alloy Steel Seamless Pipe
AISI P9 ERW Pipe ASTM A335 P9 Seamless Pipes
ASTM A335 P9 Boiler Pipe Tubo A335 P9 Seamless Pipe
ASME SA335 P9 Seamless Alloy Pipe ASME SA335 P9 Seamless Pipes
ASME SA335 P9 Material ASME SA335 Grade P9 Seamless Pipe
ASME SA335 Grade P9 Seamless Pipe ASME SA335 Gr P9 Seamless Pipe
ASME SA335 P9 Thermal Conductivity Astm A335 Grade P9 Seamless Pipe
ASME SA335 Gr P9 Seamless Pipe ASME SA335 P9 Material
Astm A335 Gr P9 Seamless Pipe ASME SA335 P9 Seamless Pipe
Astm A335 P9 Seamless Pipe ASME SA335 P9 Piping
ASME SA335 P9 Seamless Pipe ASTM A335 P9 Steel
Astm A335 P9 Seamless Pipe ASTM A335 P9 Seamless Pipe Material
ASTM A335 P9 Piping ASTM A335 P9 Seamless Pipes

Certifications & Quality Assurance

At Lakshya Steel quality is the foundation of our operations. Every ASTM A335 Alloy Steel P9 Seamless Pipe is manufactured, inspected, and delivered in full compliance with international standards to ensure maximum reliability, safety, and performance.

We follow a comprehensive quality management system that includes:

  • Mill Test Certificates (MTC):
    All pipes come with EN 10204 3.1/3.2 MTCs, ensuring full traceability, chemical/mechanical compliance, and ASTM A335 P9 standards.
  • Quality Certifications:
    We are certified to ISO 9001, ISO 14001, ISO 45001, PED 2014/68/EU and IBR for quality, safety and regulatory adherence
  • Third-Party Inspections:
    TPI by reputed agencies like BV, TUV, SGS, DNV and Lloyd’s Register can be arranged on request for added assurance.
TPI can be arranged at the client’s request before dispatch, adding another layer of trust and transparency. With our strong commitment to quality assurance, Lakshya Steel assures that every Alloy steel P9 Seamless Pipe meets the most demanding application and regulatory standards both domestic and international.

Applications of Alloy Steel P9 Seamless Pipes

Alloy Steel P9 seamless pipes are largely used in high temperature and high pressure environments due to their excellent strength, corrosion resistance and long-term resistance. Created to match the demanding standards of ASTM A335 these pipes are a preferred choice across multiple industries and difficult operations.

Key Applications:

  • Power Plants: Superheaters, reheaters, headers and boiler tubes
  • Petrochemical & Refineries: Heat exchangers, catalytic reformers, process piping
  • Oil & Gas: High-pressure transmission lines, offshore/onshore rigs
  • Thermal & Nuclear Plants: Steam lines, feedwater systems
  • Industrial Boilers & Furnaces: Pressure vessels, combustion chambers
  • Aerospace & Defense: Structural components requiring thermal stability
With proven performance in the harshest environments, Lakshya Steel’s Alloy Steel P9 Seamless Pipes deliver consistent reliability and meet the highest industry standards worldwide.

Product Availability & Delivery

At Lakshya Steel we maintain a strong inventory of ASTM A335 Alloy Steel P9 seamless pipes to match both standard and urgent project needs. With a streamlined supply chain and strong distribution network we guarantee fast and reliable delivery across the globe.

In-Stock Availability:

  • Sizes: ½” NB to 24” NB
  • Schedules: SCH 40, SCH 80, SCH 160, XXS & custom wall thicknesses
  • Lengths: Single Random, Double Random, and Cut-to-Length
  • Ends: Plain End (PE), Beveled End (BE), Threaded End (TE)
  • Forms: Straight pipes, U-bends, and fabricated spools (on request

Customization Options:

  • Cut-to-length fabrication
  • Bending and shaping
  • Surface coatings (FBE, anti-corrosive, painted)
  • Markings and packaging as per customer specs
  • Export-grade packaging (wooden boxes, HDPE wraps, end caps)

Minimum Order Quantity (MOQ):

  • Stock Sizes: As low as 1 piece
  • Bulk Orders: Attractive pricing and dedicated fulfillment support
With a focus on responsiveness, flexibility, and global logistics expertise, Lakshya Steel ensures that your project timelines are met — without compromising on quality.

Alloy Steel P9 Seamless Pipes Price Per KG in India

The price of Alloy Steel P9 Seamless Pipes per KG in India generally ranges between ₹250 to ₹450 based on on elements such as:
  • Pipe Size & Wall Thickness
  • Quantity Ordered (MOQ or Bulk)
  • Surface Finish & Coating Requirements
  • Testing & Certification (MTC, TPI, etc.)
  • Customizations like Cut-to-Length, Bending, or Marking
At Lakshya Steel we provide cost effective pricing with no compromise on quality. For mass orders, project specific rates or updated daily prices, feel free to Request a Quote directly from our sales team.

Why Choose Lakshya Steel For Alloy Steel P9 Seamless Pipes

Choosing the right supplier for Alloy steel P5 seamless pipes is not just a matter of availability it’s a planned decision that can considerably affect the performance, safety and longevity of your important systems. That’s why inferior materials or irregular service can lead to costly downtime, compliance issues or even system breakdowns. That’s why engineering firms, procurement specialists and project managers across industries turn to suppliers with proven track records, certified processes and a commitment to quality and performance. At Lakshya Steel we don’t just sell pipes we offer peace of mind backed since decades of industry expertise, world-class certifications, and a deep understanding of the technical standards your project demands. Our goal is not only to meet your requirements — but to exceed your expectations through quality, reliability, and service.
  • Proven Industry Experience
    With 25+ years in alloy steel manufacturing, Lakshya Steel offers expert knowledge and tailored solutions for demanding, high-pressure applications.
  • Certified Quality & Compliance
    Our P5 Seamless Pipes meet ASTM A335 / ASME SA335 standards and come with EN 10204 3.1/3.2 MTCs, ISO certifications, PED/IBR/NACE approvals, and third-party inspections (TUV, SGS, BV, DNV).
  • Custom Solutions & Fast Delivery
    We offer cut-to-length, custom sizing, and finish options — backed by a strong inventory and global logistics for fast, reliable dispatch.
  • Trusted Worldwide
    Supplying to 50+ countries, we serve EPCs, Fortune 500s, and government agencies — combining global reach with local support.
  • Fair Pricing, Clear Quotes
    We offer competitive pricing, bulk order discounts and transparent quotations to support your budget and timeline.
  • Reliability You Can Count On
    Known for zero-defect delivery and long-term partnerships, clients choose Lakshya Steel for consistent quality and dependable service.

FAQ’s Of Alloy Steel P9 Seamless Pipes

What is P9 piping material?
P9 piping material is a chromium-molybdenum alloy steel grade (ASTM A335 P9) used for seamless pipes in high-temperature and high-pressure applications like boilers, heat exchangers, and refineries due to its strength and oxidation resistance.
What is ASME P9 material?

ASME P9 material refers to alloy steel grade P9 as specified under ASME SA335. It is a Cr-Mo alloy designed for high-temperature service in power plants and petrochemical industries, offering excellent heat resistance and mechanical strength.

What is the difference between P9 and P91 material?
P9 contains ~9% chromium and 1% molybdenum, while P91 includes ~9% chromium, 1% molybdenum, and vanadium/niobium, offering higher creep strength and temperature resistance. P91 is ideal for ultra-high temp environments compared to P9.
What is the material grade of MS seamless pipe?
MS (Mild Steel) seamless pipes are typically made from low-carbon steel grades like IS 1239, ASTM A106 Grade A/B, or ASTM A53. These grades are used in general-purpose piping for moderate pressure and temperature applications.
What are the 3 grades of steel pipe?
The three common grades of steel pipes are Carbon Steel Pipes, Alloy Steel Pipes, and Stainless Steel Pipes. Each type varies in chemical composition and is chosen based on the application’s pressure, temperature and corrosion needs.
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