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Alloy Steel Pipe

Alloy Steel Pipe

Alloy Steel Pipe Highlights
Seamless Pipe 21.3 - 660mm
ERW and HFW 1/2” NB – 24” NB
Specifications ASTM A335 | SA 335
End Beveled End, Plain End, Threaded End,
MTC Certificate PED, IBR, ISO 14001:2015, EN 10204 3.1
Coating Epoxy Coating, UV Dual Layer, Varnish
Grades P11 , P22 , P91

Alloy Steel Seamless Pipe Supplier in India

Alloy Steel Pipe

Alloy Steel Pipe

Alloy Steel Seamless Pipe

Alloy Steel Seamless Pipe

AS Welded Pipe

AS Welded Pipe


Table of Contents


Alloy Steel Pipe Specification

Alloy Steel Seamless Pipe Sizes

  • Size: 1/2” to 30” NPS
  • OD : 21.3 – 273 mm
  • Wall thickness: 2.77 – 12.7mm
  • Length: Double Random, Single & Cut Length
Sizes

AS Welded Pipe Sizes

  • Length : 26 Meters
  • OD : 1/2” NB – 24” NB
  • WT: 0.8 to 12.7mm



Sizes

ASTM A335 Pipe Manufacturing Types

  • Seamless
  • EFW
  • ERW
  • Welded
  • DSAW, LSAW, SSAW
Types

Seamless Alloy Steel Pipe Other Trade name

  • Chromoly steel pipe
  • Chrome moly pipe
  • Alloy steel pipe
  • Ferritic alloy steel pipe
Surface Finish

Alloy Steel ERW Pipe End Types

  • Threaded End
  • Plain End
  • Groove Ends
  • Bevelled End
End Types

Low Alloy Steel Pipe Schedule

  • Schedule STD , XXS
  • Schedule 80, 60, 120
  • Schedule 10 , 20 , 40

Schedule

Ferritic Alloy Steel Pipe Standards

  • ASTM A369 – Alloy steel bored/ forged pipe
  • ASTM A691 – Alloy steel welded pipe
  • ASTM A209 – high temperature alloy steel tube
  • ASTM A335 – Alloy steel seamless pipe
  • ASTM A213 – Alloy steel seamless tube
  • ASTM A519 – Alloy steel mechanical tubing
Standards

IBR Alloy Steel Pipe Testing

  • Chemical
  • Mechanical
  • Ultrasonic
  • Tensile
  • PMI
  • Flaring
  • Hardness





Testing

Alloy Steel Pipe Types

  • Welded Pipe
  • Seamless Pipe
  • Round Pipe
  • ERW Pipe
  • EFW pipe








Types

Chromium Alloy Steel Round Pipe Documentation

  • PMI Test Reports
  • MTC EN 10204 type 3.1
  • Visual Inspection
  • Mill Test Certificates

Documentation

Condition of Delivery of ASTM A335 Boiler Pipes

  • GBK – Annealed
  • BKW – Soft/ Cold-finished
  • BK- Hard/ Cold-finished
  • NBK – Normalized


Shapes

Schedule 40 Low Alloy Steel Seamless Pipe Origin

  • Janpanese
  • Russia
  • Indian
  • American
  • European
Origin

High Temp Alloy Steel Rectangular Pipe Packaging

  • Wooden Box
  • Bubble Wraps
  • Bundled

Packaging

European Standard of Low Alloy SAW Pipe

  • EN 10217-2 (alloy steel welded pipe / ERW)
  • EN 10216-2 (alloy steel seamless pipe)

Fluids

Low Alloy Beveled End Pipe Services

  • Cutting
  • Punching
  • Bending
  • Welding

Services

Seamless Alloy Steel Pipe Sizes and Wall Thickness

ASTM A335 Pipe Thickness Chart

Size 160 140 100 60 40s & 20 10s 5s
        STD      
1/8         .068   .049  
3/4 .218       .113   .083 .065
1 .25       .133   .109 .065
3 .437       .216   .12 .083
5 .625       .258   .134 .109
9         .342      
14 1.406 1.25 .937 .593 .375 .312 .188 .156
20 1.968 1.75 1.281 .812 .375 .218 .188
30         .5 .312 .25
40              
42              
48              

Alloy Steel Pipe Sizes

Nominal   40 10 5
Inch MM Wt./MM Wt./MM Wt./MM
3/4 21.3 2.87 2.11 1.65
1 26.7 3.38 2.77 1.65
1 1 / 2 42.2 3.68 2.77 1.65
2 48.3   2.77 1.65
3 88.9   3.05 2.11
3 1 / 2 101.6   3.05 2.11

Manufacturer of High Temperature Alloy Steel Welded Pipe As Per ASTM A335 Standard

Schedule 40 Low Alloy Steel Seamless Pipe Weight Chart

  • ASTM A335/ A335M - Seamless pipe
  • ASTM A691/ A691M -Welded pipe
  • EN 10216-2
  • ASME B36.10M
Ferritic Alloy Steel ERW Pipe Available in Schedule 20 to 160

Alloy Steel Welded Pipe Schedule Chart

DN OD NPS XS STD SCH80 SCH60 SCH40 SCH30 SCH20 SCH10
6 10.3 1/8 2.41 1.73 2.41 - 1.73 1.45 - 1.24
8 13.7 1/4 3.02 2.24 3.02 - 2.24 1.85 - 1.65
10 17.1 3/8 3.20 2.31 3.20 - 2.31 1.85 - 1.65
15 21.3 1/2 3.73 2.77 3.73 - 2.77 2.41 - 2.11
20 26.7 3/4 3.91 2.87 3.91 - 2.87 2.41 - 2.11
25 33.4 1 4.55 3.38 4.55 - 3.38 2.90 - 2.77
32 42.2 11/4 4.85 3.56 4.85 - 3.56 2.97 - 2.77
40 48.3 11/2 5.08 3.68 5.08 - 3.68 3.18 - 2.77
50 60.3 2 5.54 3.91 5.54 - 3.91 3.18 - 2.77
65 73.0 21/2 7.01 5.16 7.01 - 5.16 4.78 - 3.05
80 88.9 3 7.62 5.49 7.62 - 5.49 4.78 - 3.05
90 101.6 31/2 8.08 5.74 8.08 - 5.74 4.78 - 3.05
100 114.37 4 8.56 6.02 8.56 - 6.02 4.78 - 3.05
Low Alloy Steel Round Pipe Welding Procedure and Weight Chart

Chromoly Alloy Steel Pipe Weight Chart

NPS OD XXS 160 S 20 S 10 S 5 S
inch mm mm Weight in kg WT mm Weight in kg WT mm Weight in kg WT mm Weight in kg WT mm Weight in kg WT mm
3/4 20 26.7 3.64 7.82 2.9 5.56 1.52 2.55 1.28 2.11 1.03 1.65
1/8 3 1 .3 – – – – .33 1.5 .28 1.24 .2 1.2
3/8 10 17.1 – – – – .74 2 .63 1.65 .47 1.2
2 50 6 .3 13.44 11.07 11.11 8.74 4.24 3 3.93 2.77 2.4 1.65
3 80 88.9 27.68 15.24 21.3 11.1 8.37 4 6.45 3.05 4.51 2.11
5 125 141.3 57.43 19.05 49.11 15.88 16.8 5 11.57 3.4 9.47 2.77
8 200 219.1 107.92 22.23 111.27 23.01 33.31 6.35 19.96 3.76 14.79 2.77
12 300 323.8 186.97 25.4 238.76 33.32 49.7 6.35 36 4.57 31.25 3.96

Various Types Of Alloy Steel Pipe

Supplier of Alloy Steel Pipe Pipe in India are available in Various Different Types

ASTM A335 Boiler Pipe

ASTM A335 Boiler Pipe

Low Alloy Steel EFW Pipe

Low Alloy Steel EFW Pipe

Chromoly Alloy Steel IBR ERW Pipe

Chromoly Alloy Steel IBR ERW Pipe

ASME SA 335 SAW Pipe

ASME SA 335 SAW Pipe

High Pressure Alloy Steel Pipe

High Pressure Alloy Steel Pipe

Chrome Molybdenum Alloy Steel Pipe

Chrome Molybdenum Alloy Steel Pipe

Low Alloy Round Pipe

Low Alloy Round Pipe

Ferritic Alloy Steel High Pressure Pipe

Ferritic Alloy Steel High Pressure Pipe

ASTM A335 High Temperature Seamless Pipe

ASTM A335 High Temperature Seamless Pipe

Low Alloy Steel Round Pipe Pressure Ratings

Maximum Allowable Pressure (psi)
NPS Outside Diameter Schedule
(in) (in) 10 20 30 40 60 80 100 140 160 XXS
3/8 0.675 6606 9147
1/2 0.84 6358 8575 10908 17150
1 1.315 4956 6670 9316 13340
1 1/4 1.66 4133 5638 7380 11276
2 2.375 3177 4498 7097 8995
2 1/2 2.875 3460 4704 6391 9408
3 1/2 4 2769 3896
4 4.5 2581 3670 5782 7339
6 6.625 2071 3195 5318 6390
10 10.75 1140 1399 1664 2279 2708 3277 4558 5128 4558
14 14 875 1092 1313 1533 2079 2625 3283 4375 4921
18 18 681 849 1192 1530 2042 2553 3147 4252 4848
22 22 557 835 1114 1949 2506 3063 4176 4733
30 30 510 817 1021
36 36 425 681 851 1021
42 42 583 729 875

Alloy Steel Pipe Grades

  • ASTM A335 P1 Pipe
  • ASTM A335 P2 Pipe
  • ASTM A335 P5 Pipe
  • ASTM A335 P9 Pipe
  • ASTM A335 P11 Pipe
  • ASTM A335 P22 Pipe
  • ASTM A335 P91 Pipe

AS ERW Pipe Trade Names

Trade Names
3/4Cr-1 Mo-3/4NI Alloy Steel
1Cr-1/2Mo Alloy Steel
5Cr-1/2Mo-Si Alloy Steel
1Cr-1 Mo-Vd Alloy Steel
1-1/4Cr-1/2Mo Alloy Steel
7Cr-1/2Mo Alloy Steel
1/2Cr-1/2Mo-1 Alloy Steel
13Cr Alloy Steel
3Cr-1 Mo Alloy Steel
1-1/4Cr-1/2Mo-Vd Alloy Steel
5Cr-1/2Mo Alloy Steel
2-1/4Cr-1/2Mo-Vd Alloy Steel
9Cr-1 Mo Alloy Steel
1/2Cr-1/2Mo Alloy Steel

Temperature of Seamless Alloy Steel Pipe

Material Temperature Range
Low alloy steel (LTCS) -29°C – 593°C
Chrome Moly Alloy upto 530°C
Alloy steel 850°F (454°C)

ASTM A335 Round Pipe Hardnesss

Alloy steel grades P1 P2 P5 P5b P5c P9 P11 P12 P15 P21 P22 P23 P24 P36/ P36 class 1 P91 P92 P122 P911
Hardness (Brinell Hardness, HB) 143-207 143-207 187-255 187-255 187-255 179-217 163-207 163-207 – – 163-207 – – – 190-250 190-250 – –

Types of Coating on High Temperature Alloy Steel Boiler Pipe

  • FBE Coated Pipe
  • Liquid Epoxy Coated Pipe
  • 3LPE Coated Pipes

Low Alloy Steel Seamless Pipe Heat Treatment

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

Alloy Steel ERW Pipe Applications

Alloy Steel ERW Pipe Applications

High Temperature Alloy Steel Welded Pipe Dimensions

Manufacturer of Alloy Steel Pipe are available in various Dimensions

NPS (inch) OD (mm) OD (inch) Wall Thickness (mm) Wall Thickness (inch) Weight (kg/m) Weight (lb/foot)
24 610.0 24 17.48 0.688 255.41 171.29
18 457.0 18 14.27 0.562 155.80 104.67
14 355.6 14 11.13 0.375 94.55 54.57
10 273.0 10.750 9.27 0.365 60.31 40.48
6 168.3 6.625 7.11 0.280 28.26 18.97
4 114.3 4.500 6.02 0.237 16.07 10.79
2 60.3 2.375 3.91 0.154 5.44 3.65
1 1/4 42.2 1.660 3.56 0.140 3.39 2.27
1/4 13.7 0.540 2.24 0.088 0.84 0.42

Ferritic Alloy Steel Pipe HSN Code

HSN Code Grade
73045930 Alloy Pipe

AS Pipe Welding Procedure

AS Pipe Welding Procedure

ASTM A335 Cast Alloy Steel Rectangular Pipe Elongation Requirements

Wall Thck P5/ P9/ P11/ P22 P91
mm in. Longitudinal Transverse Longitudinal
1.6 1/18 18   12
2.4 3/32 20   13
4 5/32 22   15
4.8 3/16 24   16
6.4 1/4 27 18 18
8 5/16 30 20 20

Permissible Variation in Wall Thickness of Intermediate AS Welded Pipe

NPS Above 2 1/2, t/D < or = 5 Above 2 1/2, t/D > 5 1/8 to 2 1/2 incl., all t/D ratios
Tolerance, % Under 12.50 12.50 12.50
Over 22.50 15 20

IBR Alloy Steel Pipe Manufacturing Process

  • High Frequency Induction Welding (HFIW)
  • Sub-merged Arc Welding (SAW) Pipe
  • Hand-Welding or Manual Arc Welding (MAW) Pipe
  • Hot Finished Seamless (HFS)
  • Electric Fusion Welding (EFW) Pipe
  • Cold Drawn or Finished Seamless (CDS)
  • Electric Resistance Welding (ERW)
  • Butt Welded Pipes (BWP)
  • Electric Resistance Welding (CEW) Pipe
  • Hot Finished Welding (HFW) Pipe
  • Oxy Acetylene Welding (OAW) Pipe

ASTM A335 Seamless Ferritic Alloy Steel Pipes Outside Diameter & Tolerance

ASTM A530 & ASTM A335 NPS Tolerance, mm Outside Diameter, inch
±1% OD>12
+2.38/-0.79 8＜OD≤12
+1.59/-0.79 4＜OD≤8
±0.79 1-1/2＜OD≤4
±0.40 1/8≤OD≤1-1/2
ASTM A450 Cold Drawn Tolerance, mm Outside Diameter, mm
±0.10 OD＜25.4
±0.20 38.1＜OD＜50.8
±0.30 63.5≤OD＜76.2
±0.38 76.2≤OD≤101.6
+0.38/-0.64 101.6＜OD≤190.5
+0.38/-1.14 190.5＜OD≤228.6
Hot rolled Tolerance, mm Outside Diameter, mm
+0.4/-1.6 190.5＜OD≤228.6
+0.4/-1.2 101.6＜OD≤190.5
+0.4/-0.8 OD≤101.6

Offers Ex Extock of Alloy Steel Pipe in Following Brands

Nippon Steel

Nippon Steel

Posco

Posco

Outokumpo

Outokumpo

Jindal

Jindal

Thyssenkrupp

Thyssenkrupp

Acronis

Acronis

High Temp Alloy Steel Rectangular Pipe Testings

  • Tensile Testing
  • Dye Penetrant
  • Ultrasonic Testing
  • Hydrostatic Testing
  • Radiographic Testing
  • Magnetic Particle Testing
  • Hardness Testing

Alloy Steel Pipe Equivalent Grades

Alloy Steel Pipe Supplier in India offers Pipes with equivalent material grades

Grade UNS # Equivalent Castings Equivalent Fittings Equivalent Forgings
P22   K21590 A217-WC9 A234-WP22 ASTM A182 F22
– – – ASTM A182 F21
– – A234-WP7 ASTM A182 F7
P12  – – A234-WP12 ASTM A182 F12
– A389-C24 – A404-F24
P11 K11597 A217-WC6 A234-WP11 ASTM A182 F11
– A389-C23 – –
P9  S50400 A217-Gr.C12 A234-WP9 ASTM A182 F9
– A351-CA15 – ASTM A182 F6
P5 K41545 – A234-WP5 ASTM A182 F5
– A217-Gr.C5 – –
P2 – – – ASTM A182 F2
– A217-WC4 – –
– A217-WC5 – –

AS Seamless Pipe Mechanical Properties

AISI Conditions Ultimate tensile strength (MPa) Yield strength (MPa) Reduction of area (%)
8620 Normalized 632 385 59
  Annealed 536 357 62
1080 As-rolled 1010 586 17
  Annealed 615 375 45
  Normalized 965 524 20
3140 Normalized 891 599 57
  Annealed 744 472 49
  Annealed 689 422 50
1020 As-rolled 448 346 59
  Annealed 393 294 66
  Normalized 441 330 67

Low Alloy Steel Welded Pipe Chemical Composition

Grades UNS Mo Cr Si≤ C≤ Mn P≤ S≤
P92 K92460 0.30~0.60 8.50~9.50 0.50 0.07~0.13 0.30~0.60 0.020 0.010
P91 K91560 0.85~1.05 8.00~9.50 0.20~0.50 0.08~0.12 0.30~0.60 0.020 0.010
P22 K21590 0.87~1.13 1.90~2.60 0.50 0.05~0.15 0.30~0.60 0.025 0.025
P21 K31545 0.80~1.60 2.65~3.35 0.50 0.05~0.15 0.30~0.60 0.025 0.025
P15 K11578 0.44~0.65 – 1.15~1.65 0.05~0.15 0.30~0.60 0.025 0.025
P12 K11562 0.44~0.65 0.80~1.25 0.50 0.05~0.15 0.30~0.60 0.025 0.025
P11 K11597 0.44~0.65 1.00~1.50 0.50~1.00 0.05~0.15 0.30~0.61 0.025 0.025
P9 S50400 0.44~0.65 8.00~10.00 0.50~1.00 0.15 0.30~0.60 0.025 0.025
P5 K41545 0.44~0.65 4.00~6.00 0.50 0.15 0.30~0.60 0.025 0.025
P2 K11547 0.44~0.65 0.50~0.81 0.10~0.30 0.10~0.20 0.30~0.61 0.025 0.025
P1 K11522 0.44~0.65 – 0.10~0.50 0.10~0.20 0.30~0.80 0.025 0.025

Deliver Ex Stock of Seamless Alloy Steel Pipe to Below Countries

Country Name Country Name
Ghana Zambia
Angola Kenya
South Africa Tunisia
Dubai  
Morocco Tanzania
Ethiopia Egypt
Nigeria Algeria