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ASTM A 335 P-11/ T-11

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ASTM A335 P11 Seamless Pipe


ASTM A335 P11 Seamless Pipe is made up of a carbon steel that has 415MPa minimum tensile strength 205MPa minimum yield strength. The material has high toughness and high wear and tear resistance.

Tensile Chart of P11 Alloy Steel Welded Pipe

Seamless Pipe
P5 P9 P11 P22 P91
Tensile Strength, minimum., psi
ksi 60 60 60 60 85
MPa 415 415 415 415 585
Yield Strength, minimum., psi
ksi 30 30 30 30 60
MPa 205 205 205 205 415

ASTM A335 P11 ERW Pipe Chemical Structure

C, % S, % Si, % Mn, % P, % Cr, % Mo, %
0.015 Maximum 0.025 Maximum 0.50 Maximum 0.30-0.60 0.025 Maximum 4.00-6.00 0.45-0.65

Alloy Steel P11 EFW Pipes Mechanical Properties Table

Tensile Strength, in MPa Yield Strength, in MPa Elongation, %
415 minimum 205 minimum 30 minimum

Alloy Steel Grade P11 Pipe Price List in India

Size in Inch MSL Make ISMT make JSL Make
1/2 Inch 4,263.70 4,256.00 4,272
3/4 Inch 4,044.10 4,035.76 4,050.47
1 Inch 3,898.06 3,885.71 3,900.41
1.25 Inch 3,851.94 3,846.59 3,869.29
1.5 Inch 3,751.00 3,743.65 3,755.35

Heat Treatment of ASTM A335 P11 Alloy Steel Pipe

P5, P9, P11, and P22
Grade Chet Heat Treatment Type Normalize Temp Range F [C] Annealing and Tempering Temp Range F [C]
P5 (b,c) Isothermal or Full Anneal
Temper and Normalize ***** 1250 [675]
Subcritical Anneal (P5c only) ***** 1325 - 1375 [715 - 745]
P9 Isothermal or Full Anneal
Temper and Normalize ***** 1250 [675]
P11 Isothermal or Full Anneal
Temper and Normalize ***** 1200 [650]
P22 Isothermal or Full Anneal
Temper and Normalize ***** 1250 [675]
P91 Temper and Normalize 1900-1975 [1040 - 1080] 1350-1470 [730 - 800]
Temper and Quench 1900-1975 [1040 - 1080] 1350-1470 [730 - 800]

ASTM A335 P11 Pipe Specification Chart

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
Pipes :- ASTM A335 GR P5 | GR P9 | GR P11 | P12 | GR P5 | GR T11 | P92.
Size Range: 1/2" - 24"
Schedules: 20, 30, 40, Standard (STD), 60, Extra Heavy (XS), 80, 100, 120, 140, 160, XXS

Tubes :- ASME SA213 Grade T11, T12, T11, T11, T11, T111, T112
Size Range: 12.7MM OD TO 168.7 MM OD
Thickness: 2MM TO 16MM THK

Chemical Requirements


Grade
T-5 T-9 T-11 T-22 T-91 T-91 shall also include the following:
Element UNS Designation K41545 S50400 K11597 K21590 K91560
Carbon 0.15 max 0.15 max 0.05 - 0.15 0.05 - 0.15 0.08 - 0.12 V at 0.18 - 0.25
Manganese 0.30 - 0.60 0.30 - 0.60 0.30 - 0.60 0.30 - 0.60 0.30 - 0.60 N at 0.030 - 0.070
Phosphorous, max 0.025 0.025 0.025 0.025 0.020 Ni at 0.40 max
Sulfur, max 0.025 0.025 0.025 0.025 0.010 Al at 0.02 max
Silicon 0.50 max 0.25 - 1.00 0.50 - 1.00 0.50 max 0.20 -0.50 Cb at 0.06 - 0.10
Chromium 4.00 - 6.00 8.00 - 10.00 1.00 - 1.50 1.90 - 2.60 8.00 - 9.50 Ti at 0.01 max
Molybdenum 0.45 -0.65 0.90 - 1.10 0.44 - 0.65 0.87 - 1.13 0.85 - 1.05 Zr at 0.01 max

Physical Properties

  P-5 P-9 P-11 P-22 P-91 T11 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].
Tensile Strength, min., psi          
ksi 60 60 60 60 85
MPa 415 415 415 415 585  
Yield Strength, min., psi            
ksi 30 30 30 30 60  
MPa 205 205 205 205 415