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Alloy Steel Pipe

Alloy Steel Seamless Pipe

Know About Schedule and Weight Chart of ASTM A335 Low Alloy Steel Seamless Pipe. IBR Approved Alloy Steel Pipe Supplier in India Stock Sizes 1/2 to 30 Inch at Factory Price as Per ASME B36.10M.

Alloy Steel

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Alloy Steel Seamless Pipe in Detail

Specification

Features & Applications

Alloy Steel Pipe Size

  • 1/8 to 30 inch

Alloy Steel Seamless Pipe Thickness

  • 1 mm to 200 mm

Alloy Steel Pipe Schedule

  • Sch 10 to Sch 160

Schedule 40 Alloy Steel ERW Pipe OD

  • 6 mm to 2500 mm

Schedule 80 ASTM A335 Pipe Alloying elements

  • Low alloy steels : < 5%
  • High alloy steels : > 5%

Seamless Alloy Steel Pipe Ends

  • Plain
  • Threaded
  • Beveled

Alloy Pipe Heat Treatment

  • Normalize Quench and Tempering
  • Normalizing & Hardening
  • Quench and Tempering

Low Alloy Steel Annealed Pipe Application

  • Petrochemical industries
  • Chemical industries
  • Energy related applications

Ferritic Alloy Steel Clad Pipe Dimensional Standard

  • SUS
  • JIS
  • ASTM
  • EN
  • DIN
  • GB

IBR Alloy Steel Exhaust Pipe Length

  • Single Random
  • Cut to Length
  • Double Random

Chrome Molybdenum Alloy Steel Square Pipe Welding Electrodes

  • Electric Resistance Welding
  • High frequency welding
  • Electric Fusion Welding
  • Submerged Arc Welding

High Alloy Steel Round Pipe Forging Temperature

  • 1700 to 2200°F
  • 926 to 1205°C

Chromium Alloy Steel Rectangular Pipe Hot Working Process Temperature

  • 1500 to 1900°F
  • 816 to 1038°C

Outside Coating

  • Black Painting
  • Galvanised Finish
  • Anti-Corrosion Oil
  • Finish as per Requirements

Carbon Steel Square Pipe According to

  • ASME B36.19
  • ASME B36.10

Low Carbon Steel Tube Additional Requirements

  • IBR
  • NACE MR 0103
  • NACE MR 0175
  • IGC
  • HIC

Coating Standard

  • ANSI/AWWA C104/A21.4
  • DIN 30670
  • ISO 21809

Chrome Alloy Steel Rectangular Pipe Surface Finish

  • Pickled
  • Precleaned
  • Passivated
  • Cleaned

High Temperature Alloy Steel Bright Annealed Pipe Tensile Strength

  • 415 MPa min

Supporting documents for High Temp Alloy Steel Cold Finished Seamless Pipe

  • MTC EN 10204 3.1/3.2
  • Check List
  • Labeling verification
  • Inspection plan
  • Inspection reports
  • Origin

Testing requirements for AS Pipe

  • Ultrosonic test
  • 100% eddy current test
  • 100% Radiographic Test

Low Alloy Hot Finished Seamless Pipe Finishing Treatment

  • Cold Finished
  • Hot Finished

High Temp Low Alloy Steel SMLS Pipe Yield Strength

  • 205 Mpa min

Value Added Services

  • Cut to Length
  • Welding
  • Machining
  • Threading
  • Beveling

Manufacturing Types

  • CEW
  • EFW
  • CDW
  • LSAW
  • Seamless
  • Welded
  • Electric Resistance Welded
  • Fabricated
  • DOM

Cast Alloy Steel ERW Pipe Form

  • Hollow
  • Rectangular
  • Round
  • Square

Low Alloy Steel Pipe Manufacturing Types

  • Hot Rolled
  • Cold Drawn

Alloy Steel Seamless Pipe Material Types

  • Chrome Moly Alloy

AS Pipe Origin standards

  • American
  • Janpanese
  • European
  • Russia

Marking

  • Heat Number
  • Schedule or Wall Thickness
  • Manufacturer’s Name
  • Material Grade
  • Specification
  • Nominal Size
  • Method of Manufacturing

Equipment Required

  • Sand-blasting machine
  • Bending machine
  • Pushing Machine
  • Electric bevelling machine
  • Press machine

High Temperature Resistance

  • 540°C to 750°C

Testing Available

  • PMI Testing
  • Flattening Test
  • Pitting Resistance Test
  • Micro and MacroTest
  • Chemical Analysis
  • IGC Test
  • Hardness Test
  • Dye Penetrant
  • Mechanical Testing
  • X-Ray
  • Flaring Test
  • UT

Packaging

  • PE Fabric Bundles
  • Crates
  • Wrapped in plastic
  • Bundles
  • Wooden Boxes
  • Custom

Certification

  • MTC EN 10204 3.1/3.2
  • Third Party Inspection Report
  • Form A for GSP
  • Heat Treatment Charts
  • DFARS compliant
  • Commercial Invoice
  • HS Code
  • Raw Materials Certificate

The tolerances in WT, in %, from specified are:

  • 1/8 to 2 1/2 [6 to 65] incl., all t/D ratios: over 20%, under 12.5%
  • Above 2 1/2 [65], t/D < or = 5%: over 22.5%, under 12.5%
  • Above 2 1/2 [65], t/D > 5%: over 15%, under 12.5%

Available As

High Alloy Steel Hot Finished Seamless PipeIBR Alloy Steel Seam Welded PipeCast Alloy Steel Square PipeChromoly Steel Alloy Seamless PipeFerritic Alloy Steel Cold Drawn PipeIntermediate Alloy Steel Welded PipeHigh Temperature Low Alloy Steel Exhaust PipeChromoly Alloy Steel Rectangular PipeChrome Alloy Steel Bright Annealed PipeASTM A335 Solution Annealed PipeHigh Temp Alloy Steel Annealed PipeChromium Alloy Steel Cold Finished Seamless PipeHigh Temp Low Alloy Steel Hot Finished PipeHigh Temperature Alloy Steel Clad PipeChrome Molybdenum Alloy Steel Cold Finished PipeLow Alloy Round PipeAlloy Steel ERW PipeLow Alloy Steel SMLS Pipe

Technical Data

Full Specifications

›Technical Data

Low AS ERW Pipe Wall Thickness

Alloy Steel Pipe TypesOut diameterWall thicknessLength
Alloy Steel Welded Pipe (in Stock + Custom Sizes)5.0mm ~ 1219.2mm1.0 ~ 15.0 mmUpto 6 Meters
Alloy Steel Seamless Pipe (Custom Sizes)5.0mm ~ 203.2mmAs per requirementUpto 6 Meters
NB Sizes (in stock)1/8” ~ 8”SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160Upto 6 Meters

Elongation Requirements of Seamless Alloy Steel Pipe

Wall ThicknessWall Thickness_2P5, 9, 11, 22P5, 9, 11, 22_2P91 (type 1, 2)
mmin.TransverseLongitudinalLongitudinal
8(0.312) 5/16203020
7.2(0.281) 9/32192819
6.4(0.250) 1/4182718
5.6(0.219) 7/322617
4.8(0.188) 3/162416
4(0.156) 5/322215
3.2(0.125) 7/82114
2.4(0.094) 3/322013
1.6(0.062) 1/181812

Heat Treatment Requirements of Chromoly Alloy Steel Pipes

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GradeGrade_2P5 (b,c)P5 (b,c)_2P5 (b,c)_3P9P9_2P11P11_2P22P22_2P91 (type 1 and 2)P91 (type 1 and 2)_2
Heat TreatmentHeat TreatmentNormalize & TemperFull / Isothermal AnnealSubcritical Anneal (P5c only)Normalize & TemperFull / Isothermal AnnealedNormalize & TemperFull or Isothermal AnnealedNormalize & TemperFull / Isothermal AnnealedQuench & TemperNormalize & Temper
Subcritical Annealing or TemperingTemp. Range °F [°C ]1250 [675]1325 to 1375 [715 to 745]1250 [675]1200 [650]1250 [675]1350 to 1470 [730 to 800]1350 to 1470 [730 to 800]
Normalizing Temp. Range °F [°C ]Normalizing Temp. Range °F [°C ]-----1900 to 1975 [1040 to 1080]1900 to 1975 [1040 to 1080]

AS Gas Pipe Tensile Requirements

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col_1col_2col_3col_4col_5col_6col_7col_8col_9
SeamlessSeamlessSeamlessSeamlessSeamless
P5P9P11P22P91 (1, 2)P91 type 1 and 2 shall have a hardness within the range of 190 to 250 [HBW] or 196 to 265 [HV] or 91 HRBW to 25 HRC.P91 type 1 and 2 shall have a hardness within the range of 190 to 250 [HBW] or 196 to 265 [HV] or 91 HRBW to 25 HRC.
Tensile Strength, min., psiTensile Strength, min., psiP91 type 1 and 2 shall have a hardness within the range of 190 to 250 [HBW] or 196 to 265 [HV] or 91 HRBW to 25 HRC.P91 type 1 and 2 shall have a hardness within the range of 190 to 250 [HBW] or 196 to 265 [HV] or 91 HRBW to 25 HRC.
ksi6060606085P91 type 1 and 2 shall have a hardness within the range of 190 to 250 [HBW] or 196 to 265 [HV] or 91 HRBW to 25 HRC.P91 type 1 and 2 shall have a hardness within the range of 190 to 250 [HBW] or 196 to 265 [HV] or 91 HRBW to 25 HRC.
MPa415415415415585
Yield Strength, min., psiYield Strength, min., psi
ksi3030303060
MPa205205205205415
›Pressure Ratings

Chrome Moly Pipe Pressure Rating

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inches3/81/211 1/422 1/23 1/24681214182024303442
inches0.6750.841.3151.662.3752.87544.56.6258.62512.7514182024303442
16010908931673807097639157825318514750424921484848244786
140461343244375425242884210
12047694157408538433829374336753700
XXS171501334011276899594087339639049713843
100337532443283314731383126
60230721602079204219891978
80914785756670563844984704389636703195284126442625255325262489
40660663584956413331773460276925812071182915601533153014551405992875
XS914785756670563844984704389636703195284119221750136112251021817
301574126813131192122511471021901729
STD6606635849564133317734602769258120711829144113131021919766613540438
2014209611092849919766817721583
10875681613510510450
›Dimensions & Weight

ASME SA335M Chrome Moly Pipes Weight Chart

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Pipe Inner DiaODSchedSize in InchWall thckSection ModulusStandard to XXHYWeight
0.546800.147.0478XHY1.09
0.8241.05403/40.113.0705STD1.13
0.6121600.219.10061.95
0.957800.179.1606XHY2.17
1.278800.191.2913XHY3.00
1.6101.90401 1/20.145.3262STD2.72
1.3381600.281.50794.86
2.067400.154.5606STD3.66
1.8750.250.80455.68
1.6871600.344.98067.47
2.469400.2031.0640STD.5.80
2.3750.2501.24687.02
2.1251600.3751.637110.02
3.1880.1561.31225.58
3.1240.1881.53426.66
30.2501.93728.69
2.6241600.4382.877414.34
3.5481400.2262.3939STD.9.12
3.4380.2812.856211.17
4.2604.51040.1201.76125.62
4.0620.2193.018410.02
4.026400.2373.2145STD.10.80
3.938600.2813.702112.67
3.8760.3124.027313.97
3.826800.3374.2713XHY15.00
3.4381600.5315.899722.53
5.1250.2194.727912.51
4.8750.3446.935819.19
4.813800.3757.4300XHY20.80
4.5631200.5009.253427.06
4.3131600.62510.797632.99
6.4076.625560.1093.57697.59
6.357100.1344.34759.30
6.2490.1885.935112.94
6.1870.2196.826115.00
6.065400.2808.4958STD.18.99
5.9370.34410.11123.10
5.761800.43212.224XHY28.60
5.5011200.56214.980636.43
5.1871600.71917.824345.39
4.8970.86420.025XXHY53.21
4.3751.12523.123766.14
›Tolerances

Diameter Tolerance of High Alloy Steel Pipe

A335 PipesOverOver_2UnderUnder_2
NPS [DN]millimeterinchmillimeterinch
Over 12 / > DN 300+/- 1% of the specified OD+/- 1% of the specified OD+/- 1% of the specified OD+/- 1% of the specified OD
Over 8 to 12 / DN 200 to 3002.383/32 ( .093).791/32 ( .031)
1/8 to 1 1/2 / DN 6 to 40.41/64 ( .015).41/64 ( .015)
Over 4 to 8 / DN 100 to 2001.591/16 ( .062).791/32 ( .031)
Over 1 1/2 to 4 / DN 40 to 100.791/32 ( .031).791/32 ( .031)

ASTM A335 ERW Pipe OD and Tolerance

ASTM A450Hot rolledOD mmTolerance mm
ASTM A450Hot rolled190.5＜OD≤228.6-0.25
ASTM A450Hot rolled101.6＜OD≤190.5-0.3333
ASTM A450Hot rolledOD≤101.6-0.5
ASTM A450Cold DrawnOD mmTolerance mm
ASTM A450Cold DrawnOD＜25.4±0.10
ASTM A450Cold Drawn190.5＜OD≤228.6-0.3333
ASTM A450Cold Drawn101.6＜OD≤190.5-0.5938
ASTM A450Cold Drawn76.2≤OD≤101.6±0.38
ASTM A450Cold Drawn63.5≤OD＜76.2±0.30
ASTM A450Cold Drawn50.8≤OD＜63.5±0.25
ASTM A450Cold Drawn38.1＜OD＜50.8±0.20
ASTM A450Cold Drawn25.4≤OD≤38.1±0.15
ASTM A530 and A335NPSOD inchTolerance mm
ASTM A530 and A335NPSOD>12±1%
ASTM A530 and A335NPS8＜OD≤12-3.0127
ASTM A530 and A335NPS4＜OD≤8-2.0127
ASTM A530 and A335NPS1-1/2＜OD≤4±0.79
ASTM A530 and A335NPS1/8≤OD≤1-1/2±0.40
›Material Properties

Alloy Steel Pipe Chemical Composition

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col_1col_2col_3col_4col_5col_6col_7col_8col_9
UNS / equivalentASTM A335 / Low-Alloy Steel / GradeMnCrC≤S≤MoP≤Si≤
K11522P1.30 to .80–.10 to .20.025.44 to .65.025.10 to .50
K11547P2.30 to .61.50 to .81.10 to .20.025.44 to .65.025.10 to .30
K41545P5.30 to .604 to 6.15.025.44 to .65.025.5
K51545P5b.30 to .604 to 6.15.025.44 to .65.0251 to 2
K41245P5c.30 to .604 to 6.12.025.44 to .65.025.5
S50400P9.30 to .608 to 1.15.025.44 to .65.025.50 to 1
K11597P11.30 to .611 to 1.50.05 to .15.025.44 to .65.025.50 to 1
K11562P12.30 to .60.80 to 1.25.05 to .15.025.44 to .65.025.5
K11578P15.30 to .60–.05 to .15.025.44 to .65.0251.15 to 1.65
K31545P21.30 to .602.65 to 3.35.05 to .15.025.80 to 1.60.025.5
K21590P22.30 to .601.90 to 2.60.05 to .15.025.87 to 1.13.025.5
K91560P91.30 to .608 to 9.50.08 to .12.01.85 to 1.05.02.20 to .50
K92460P92.30 to .608.50 to 9.50.07 to .13.01.30 to .60.02.5

Mechanical Behaviour of Alloy Steel Chrome Moly Pipe

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A335 Low-Alloy PipeP1P2P5P9P11P12P22P91
UNS NumberK11522K11547K41545S50400K11597K11562K21590K91560
Tensile Strength ksi5555706060606085
Yield Strength ksi3030403030323060
Elongation %3030303020303020
Brinell––207 max––174 max––
Rockwell––––––––
Alloy Steel Seamless Pipe
Alloy Steel Pipe

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