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ASTM A335 P11 Alloy Steel Pipe

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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