Ninthore Overseas is one of the Leading Manufacturer And Exporter Of High Quality Alloy Steel P17 Pipes, which has a better cost advantage than any other alloy available, where other materials require an additional amount of heat treating to raise their hardness. Fabrication of these Alloy Steel P17 Seamless Pipes should be done only with tools dedicated to stainless steel materials. These precautions are necessary to avoid cross contamination of our Alloy Steel P17 Welded Pipes by easily corroded metals that may discolour the surface of the fabricated product. The high mechanical strength in annealed parts of our Alloy Steel P17 EFW Pipes permits use of reduced cross sections for weight, and cost reductions through the use of thinner stock.

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Alloy Steel P17 Pipes

Alloy Steel P17 Pipes

If your galling problem occurs at less than 1500 Degree F, then you should think about switching to these Alloy Steel P17 ERW Pipes. More energy is required because our Alloy Steel P17 Round Pipes is generally stiffer than austenitic stainless steels. These high property levels are also evident at elevated temperature, making these Alloy Steel P17 Square Pipes quite suitable for applications such as ball bearings and bearing races.

A modest additional increase in hardness and strength can be in fact achieved in the course of aging of the cold – worked material of our Alloy Steel P17 Rectangular Pipes. All customary machining operations are easily performed in these Alloy Steel P17 Electropolish Pipes, where high – speed tools are customarily used.

Alloy Steel P17 Seamless Pipes Specifications
Specifications : ASTM A 335 ASME SA 335
Dimensions : ASTM, ASME and API
Size : 1/8″NB TO 30″NB IN
Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
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 P17 Pipes Chemical Composition
Alloy Steel P17 C Cr Mn Mo P S Si
0.05 – 0.15 1.00 – 1.50 0.30 – 0.60 0.44 – 0.65 0.025 max 0.025 max 0.50 – 1.00
Alloy Steel P17 Pipe Mechanical Properties
Tensile Strength, MPa Yield Strength, MPa Elongation
415 min 205 min 30 min
Outside Diameter & Tolerance
ASTM A450 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 A530 & ASTM A335 NPS Outside Diameter, inch Tolerance, mm
1/8≤OD≤1-1/2 ±0.40
1-1/2<OD≤4 ±0.79
4<OD≤8 +1.59/-0.79
8<OD≤12 +2.38/-0.79
OD>12 ±1%
Alloy Steel P17 Seamless / High Pressure Pipes Application Industries
  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals
  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry
P17 Alloy Steel Pipes Test Certificates

We at Ninthore Overseas provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.

• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc

Material Testing
We at Ninthore Overseas ensure that all our materials go through strict quality tests before dispatching them to our clients.

• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test


• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)