ASTM A335 P11 Alloy Steel Pipe Supplier
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Alloy Steel P11 Pipe material & SA335 Grade P11 Seamless Pipe supplier.
A335 P11 Alloy Steel Pipe, ASTM A335 P11 astm a335 p11 chemical composition, astm a335 p11 mechanical properties, p11 material equivalent, p11 chrome moly Alloy Pipe
ASTM A335 Grade P11, also known as ASME SA335 Grade P11, is a type of seamless ferritic alloy-steel pipe designed for high-temperature applications. The UNS designation for this material is P11.
P11 Alloy Steel Pipe is composed of key elements including carbon, manganese, phosphorus, sulfur, silicon, chromium, and molybdenum. Chromium and molybdenum are the primary components that give these pipes their notable properties. Chromium enhances resistance to oxidation, making the pipes suitable for corrosive and high-temperature environments. Molybdenum improves strength and wear resistance, adding to the alloy’s durability.
These pipes are particularly useful in transformers and electric motors due to their magnetic properties. Their smooth surface is crucial for sensitive applications where less roughness is needed. ASTM A335 Grade P11 pipes are widely used in the oil and gas, petrochemical, and power generation industries for their reliability and performance under demanding conditions.
A335 P11 Alloy Steel Pipe Specifications
| Size | 1/2 to 36 Inch NB |
| Standard | ASTM A335 P11, SA335 P11 |
| Material Thickness | 3 To 12 mm |
| Schedules | SCH 40, SCH 160, SCH 80, SCH XXS, SCH XS, All Schedules |
| Tolerance |
Cold drawn pipe: +/-0.1mm
Cold rolled pipe: +/-0.05mm
|
| Type | ERW / Seamless / Welded / Fabricated |
| Craft | Cold rolled and Cold drawn |
| Length | Standard Double & In Cut length also. |
| pipe available in Form of | Round, Rectangular, Square, Hydraulic |
| End | Beveled End, Plain End, Treaded |
A335 P11 Chemical Composition
| ASTM A335 P11 | Manganese | Molybdenum | Phosphorus | Carbon | Sulfur | Chromium | Silicon |
| 0.30 – 0.60 | 0.44 – 0.65 | 0.025 max | 0.05 – 0.15 | 0.025 max | 1.00 – 1.50 | 0.50 – 1.00 |
ASME A335 P11 Alloy Steel Pipe Mechanical Properties
| Yield Properties | Tensile Properties | Elongational |
| 205 min | 415 min | 30 min |
P11 Alloy Steel Pipe Equivalent Grades
| ASTM | ASME | A335 P11 Equivalent Material | JIS G 3458 | UNS | BS | DIN | ISO | ABS | NK | LRS |
|---|---|---|---|---|---|---|---|---|---|---|
| A335 P11 | SA335 P11 | T11 | STPA 23 | K11597 | 3604 P1 621 | – | – | ABS 11 | KSTPA 23 | – |
ASTM/ASME A335 P11 Tolerance
| ASTM A450 | Hot rolled | Outside Diameter, mm | Tolerance, mm |
| Outer Diameter≤101.6 | +0.4/-0.8 | ||
| 101.6＜Outer Diameter≤190.5 | +0.4/-1.2 | ||
| 190.5＜Outer Diameter≤228.6 | +0.4/-1.6 | ||
| Cold Drawn | Outside Diameter, mm | Tolerance, mm | |
| Outer Diameter＜25.4 | ±0.10 | ||
| 25.4≤Outer Diameter≤38.1 | ±0.15 | ||
| 38.1＜Outer Diameter＜50.8 | ±0.20 | ||
| 50.8≤Outer Diameter＜63.5 | ±0.25 | ||
| 63.5≤Outer Diameter＜76.2 | ±0.30 | ||
| 76.2≤Outer Diameter≤101.6 | ±0.38 | ||
| 101.6＜Outer Diameter≤190.5 | +0.38/-0.64 | ||
| 190.5＜Outer Diameter≤228.6 | +0.38/-1.14 | ||
| ASTM A530 & ASTM A335 | NPS | Outside Diameter, inch | Tolerance, mm |
| 1/8≤Outer Diameter≤1-1/2 | ±0.40 | ||
| 1-1/2＜Outer Diameter≤4 | ±0.79 | ||
| 4＜Outer Diameter≤8 | +1.59/-0.79 | ||
| 8＜Outer Diameter≤12 | +2.38/-0.79 | ||
| Outer Diameter>12 | ±1% |
Alloy Steel SA 335 Gr P11 High Pressure Pipe Size Chart
| Outer Diameter * Thickness in MM | Outer Diameter * Thickness in MM | Outer Diameter * Thickness in MM |
|---|---|---|
| 38.1 * 3.2 | 57.0 * 4.9 | 76.2 * 4.0 |
| 38.1 * 4.0 | 57.0 * 6.3 | 76.2 * 5.0 |
| 38.1 * 6.3 | 57.0 * 7.9 | 76.2 * 6.3 |
| 42.4 * 3.2 | 60.3 * 3.2 | 82.5 * 4.5 |
| 42.4 * 4.0 | 60.3 * 3.6 | 88.9 * 3.2 |
| 44.5 * 3.2 | 60.3 * 5.0 | 88.9 * 3.6 |
| 44.5 * 6.3 | 63.5 * 3.2 | 88.9 * 4.0 |
| 48.3 * 3.2 | 63.5 * 3.6 | 101.6 * 3.6 |
| 48.3 * 3.6 | 63.5 * 4.0 | 101.6 * 4.5 |
| 50.8 * 4.5 | 63.5 * 6.3 | 101.6 * 6.3 |
| 51.0 * 3.2 | 63.5 * 7.9 | 114.3 * 3.6 |
| 51.0 * 3.6 | 70.0 * 3.2 | 114.3 * 5.0 |
| 51.0 * 6.3 | 70.0 * 3.6 | 139.7 * 4.0 |
| 57.0 * 3.2 | 70.0 * 6.3 | 139.7 * 5.0 |
| 57.0 * 3.6 | 76.2 * 3.6 | 139.7 * 6.3 |
Alloy Steel SA 335 Gr P11 High Pressure Pipe Weight Chart
| Size Nominal Pipe Size | Pipe Outer Diameter | Wall Thickness | Pipe Inner Diameter | Weight per Foot |
|---|---|---|---|---|
| 1/2 | 0.84 | 0.109 | 0.622 | 0.85 |
| 0.147 | 0.546 | 1.09 | ||
| 0.188 | 0.464 | 1.31 | ||
| 0.294 | 0.252 | 1.72 | ||
| 3/4 | 1.05 | 0.113 | 0.824 | 1.13 |
| 0.154 | 0.742 | 1.48 | ||
| 0.219 | 0.612 | 1.95 | ||
| 0.308 | 0.434 | 2.44 | ||
| 1 | 1.315 | 0.133 | 1.049 | 1.68 |
| 0.179 | 0.957 | 2.17 | ||
| 0.250 | 0.815 | 2.85 | ||
| 0.358 | 0.599 | 3.66 | ||
| 1 1/4 | 1.66 | 0.140 | 1.380 | 2.27 |
| 0.191 | 1.278 | 3.00 | ||
| 0.250 | 1.160 | 3.77 | ||
| 0.382 | 0.896 | 5.22 | ||
| 1 1/2 | 1.90 | 0.145 | 1.610 | 2.72 |
| 0.200 | 1.500 | 3.63 | ||
| 0.281 | 1.338 | 4.86 | ||
| 0.400 | 1.100 | 6.41 | ||
| 2 | 2.375 | 0.109 | 2.157 | 2.64 |
| 0.154 | 2.067 | 3.66 | ||
| 0.218 | 1.939 | 5.03 | ||
| 0.250 | 1.875 | 5.68 | ||
| 0.281 | 1.813 | 6.29 | ||
| 0.344 | 1.687 | 7.47 | ||
| 0.436 | 1.503 | 9.04 | ||
| 2 1/2 | 2.875 | 0.120 | 2.635 | 3.53 |
| 0.203 | 2.469 | 5.80 | ||
| 0.216 | 2.443 | 6.14 | ||
| 0.250 | 2.375 | 7.02 | ||
| 0.276 | 2.323 | 7.67 | ||
| 0.375 | 2.125 | 10.02 | ||
| 0.552 | 1.771 | 13.71 | ||
| 3 | 3.50 | 0.120 | 3.260 | 4.34 |
| 0.156 | 3.188 | 5.58 | ||
| 0.172 | 3.156 | 6.12 | ||
| 0.188 | 3.124 | 6.66 | ||
| 0.216 | 3.068 | 7.58 | ||
| 0.250 | 3.000 | 8.69 | ||
| 0.281 | 2.938 | 9.67 | ||
| 0.300 | 2.900 | 10.26 | ||
| 0.438 | 2.624 | 14.34 | ||
| 0.600 | 2.300 | 18.6 | ||
| 3 1/2 | 4.0 | 0.120 | 3.760 | 4.98 |
| 0.226 | 3.548 | 9.12 | ||
| 0.250 | 3.500 | 10.02 | ||
| 0.281 | 3.438 | 11.17 | ||
| 0.318 | 3.364 | 12.52 | ||
| 0.636 | 2..728 | 22.87 | ||
| 4 | 4.5 | 0.120 | 4.260 | 5.62 |
| 0.156 | 4.188 | 7.24 | ||
| 0.188 | 4.124 | 8.67 | ||
| 0.203 | 4.094 | 9.32 | ||
| 0.219 | 4.062 | 10.02 | ||
| 0.237 | 4.026 | 10.80 | ||
| 0.250 | 4.000 | 11.36 | ||
| 0.281 | 3.938 | 12.67 | ||
| 0.312 | 3.876 | 13.97 | ||
| 0.337 | 3.826 | 15.00 | ||
| 0.438 | 3.624 | 19.02 | ||
| 0.531 | 3.438 | 22.53 | ||
| 0.674 | 3.152 | 27.57 | ||
| 5 | 5.563 | 0.188 | 5.187 | 10.80 |
| 0.219 | 5.125 | 12.51 | ||
| 0.258 | 5.047 | 14.63 | ||
| 0.281 | 5.001 | 15.87 | ||
| 0.312 | 4.939 | 17.51 | ||
| 0.344 | 4.875 | 19.19 | ||
| 0.375 | 4.813 | 20.80 | ||
| 0.500 | 4.563 | 27.06 | ||
| 0.625 | 4.313 | 32.99 | ||
| 0.750 | 4.063 | 38.59 | ||
| 6 | 6.625 | 0.109 | 6.407 | 7.59 |
| 0.134 | 6.357 | 9.30 | ||
| 0.156 | 6.313 | 10.79 | ||
| 0.188 | 6.249 | 12.94 | ||
| 0.203 | 6.219 | 13.94 | ||
| 0.219 | 6.187 | 15.00 | ||
| 0.250 | 6.125 | 17.04 | ||
| 0.280 | 6.065 | 18.99 | ||
| 0.312 | 6.001 | 21.06 | ||
| 0.344 | 5.937 | 23.10 | ||
| 0.375 | 5.875 | 25.05 | ||
| 0.432 | 5.761 | 28.60 | ||
| 0.500 | 5.625 | 32.74 | ||
| 0.562 | 5.501 | 36.43 | ||
| 0.625 | 5.375 | 40.09 | ||
| 0.719 | 5.187 | 45.39 | ||
| 0.864 | 4.897 | 53.21 | ||
| 1.000 | 4.625 | 60.13 | ||
| 1.125 | 4.375 | 66.14 |
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FAQs
ASTM A335 P11 is a type of seamless pipe made from carbon steel. It has a minimum tensile strength of 415 MPa and a minimum yield strength of 205 MPa. The material is known for its high toughness and resistance to wear and tear.
Grade P11 pipe is designated as UNS K11597. It primarily contains carbon, manganese, phosphorus, sulfur, silicon, chromium, and molybdenum. The key elements, chromium and molybdenum, enhance its strength, wear resistance, hardenability, and corrosion resistance.
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