Alloy Steel P11 Seamless Pipes are widely available, have good general corrosion resistance, excellent formability and weldability, good cryogenic toughness, etc. Manufactured by the skilled professionals using high grade of steel and modern technology as per the set industry norms, we offer Alloy Steel P11 Welded Pipes in numerous shapes and sizes to meet the needs of clients. Alloy Steel P11 EFW Pipes is blend with salient attributes like low maintenance, superior quality, and long durability. Alloy Steel P11 ERW Pipes is often used in Oil & Gas Refineries, Manufacturing Unit, Valves & Pumps, Marine Industry, Petrochemical Industry, Fertilizer Industry, Chemical Industry, Petrochemicals Industry, and more. Our range of Alloy Steel P11 Round Pipes is quality tested on various parameters before being delivered to clients.
Alloy Steel P11 Seamless Pipes 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% |
ASME SA335 Alloy Steel P11 Seamless Pipe Chemical Composition
| Si, % |
Cr, % |
Mo, % |
C, % |
Mn, % |
P, % |
S, % |
| 0.50 - 1.00 |
1.00 - 1.50 |
0.44 - 0.65 |
0.05 - 0.15 |
0.30 - 0.60 |
0.025 max |
0.025 max |
ASME SA335 AS P11 Seamless Pipe Mechanical Properties
| Tensile Strength, MPa |
Yield Strength, MPa |
Elongation, % |
| 415 min |
205 min |
30 min |
NOTE : OTHER SIZES AND GRADES ARE AVAILABLE UPON REQUEST
ALLOY STEEL P11 SEAMLESS PIPE SPECIFICATIONS
AS Seamless Pipes are available in different grades and standards. Some of the standard features these are made available in include
Dimensions : ASTM, ASME and API
Standard : ASTM A 335 / ASME SA 335
Size : 1/8"NB TO 30"NB IN
Thickness : 2.0mm – 14 mm
Outer Diameter : 19.05mm – 114.3mm
Form : Round, Square, Rectangular, Hydraulic Etc
End : Plain End, Beveled End, Treaded
Length : Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths
Schedules : SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules, upto 12mm thk
