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A335-p91-pipe

Type:ASTM A335 P91 Steel pipe
Standard:ASTM A335 ,ASTM A213, ASTM A691,DIN17175 JIS G3458
Dimension: 1/2in to 48in
Feature:Stock regular sizes, Customized forge, design as per ASME VIII
OEM service, Customized heat treatment available.
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描述

ASTM A335 P91 Alloy Steel Pipe

Specification :
Size:1/8NB TO 24NB IN
Standards:ASTM A 335, ASME SA 335, ANSI B36.10
Type:Seamless
Specialized in:Large Diameter Size
Wall Thickness:Schedule 20 - Schedule XXS (heavier on request) up to 250 mm thk.
Form:Round, Square, Rectangular, Hydraulic Etc.
Length:Single Random, Double Random & Cut Length.
Tubing End:Plain End, Beveled End, Treaded.

A335 Grade P91 Alloy Steel Pipe Chemical Compositions :

 

C, %Mn, %P, %S, %Si, %Cr, %Mo, %V, %N, %Ni, %Al, %Nb, %
0.08-0.120.3-0.60.02 max0.01 max0.2-0.58.0-9.50.85-1.050.18-0.250.03-0.070.4 max0.04 max0.06-0.10

UNS K91560 Seamless Pipes Mechanical Properties :

 

Tensile Strength , MPaYield Strength, MPaElongation, %Hardness, HB
585 min415 min20 min250 max

SA335 P91 Alloy Steel Seamless Pipes Heat Treatment Requirements :

P5, P9, P11, and P22

Grade

Heat Treatment Type

Normalizing Temperature Range F [C]

Subcritical Annealing 
or Tempering
Temperature Range F 
[C]

P5 (b,c)

Full or Isothermal Anneal

Normalize and Temper

*****

1250 [675]

Subcritical Anneal (P5c only)

*****

1325 - 1375 [715 - 745]

P9

Full or Isothermal Anneal

Normalize and Temper

*****

1250 [675]

P11

Full or Isothermal Anneal

Normalize and Temper

*****

1200 [650]

P22

Full or Isothermal Anneal

Normalize and Temper

*****

1250 [675]

P91

Normalize and Temper

1900-1975 [1040 - 1080]

1350-1470 [730 - 800]

Quench and Temper

1900-1975 [1040 - 1080]

1350-1470 [730 - 800]

Tensile Requirements :
 Seamless 
P-5P-9P-11P-22P-91P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].
Tensile   Strength, min.,   psi
ksi6060606085
MPa415415415415585 
Yield Strength,   min., psi 
ksi3030303060 
MPa205205205205415 
Wall Thickness :

 

NPS [DN] DesignatorTolerance, % from Specified
OverUnder
1/8 to 2 1/2 [6 to 65] incl., all t/D ratios20.0%12.5%
Above 2 1/2  [65], t/D < or = 5%22.5%12.5%
Above 2 1/2  [65], t/D > 5%15.0%12.5%
(t = Specified Wall Thickness; D = Specified Outside   Diameter)
Types Of Alloy Steel ASTM a335 p5 70/30 Pipes & Tubes :
•   Alloy Steel P5 Seamless Pipes & Tubes
•   Alloy Steel P5 Welded Pipes & Tubes
•   Alloy Steel P5 Erw Pipes & Tubes
•   Alloy Steel P5 Efw Pipes & Tubes
•   Alloy Steel P5 Fabricated Pipes & Tubes
•   Alloy Steel P5 Square Pipes & Tubes
•   Alloy Steel P5 Rectangular Pipes & Tubes
•   Alloy Steel P5 Round Pipes & Tubes
•   Alloy Steel P5 High Pressure Pipes & Tubes

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