These Alloy Steel P12 Seamless Pipes is often used in Brewing, Petrochemicals, Pharmaceuticals, Food processing, Chemical Industry, Dairy, Marine equipment, and more. Our Alloy Steel P12 Welded Pipes is known for its Sturdiness, Easy to install, Rust free, Resistant to oxidation, High tolerance, Durability, Precise design, Excellent finish, Sturdily constructed, and more. These Alloy Steel P12 EFW Pipes offered by us are widely used by the number of satisfied customers. Owing to its graded material, our Alloy Steel P12 ERW Pipes are demanded in mechanical, structural, & general engineering purposes. Offered at industry leading prices, these Alloy Steel P12 Round Pipe are also customized as per the specific requirements of clients. The quality aspect of our Alloy Steel P12 Square Pipes is in accordance to the set standards which is highly appreciable.
Alloy Steel P12 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 P12 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 P12 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 P12 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 : 1/2” NB to 36” NB
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
