Alloy Steel Pipe Specification

6 Things to Remember Before buying Alloy Steel Pipe from India

  • Know the Required Specifications
  • Check Material Composition and Quality
  • Ensure Proper Manufacturing Process
  • Review the Manufacturer’s Reputation
  • Consider the Supplier’s Delivery Capabilities
  • Evaluate Price vs. Quality

Table Of Content

Alloy Steel Pipe

Saudi Aramco Approved Alloy Steel Seamless Pipe Supplier in Mumbai As Per ASTM A335

Specification of Alloy Steel Pipe

Alloy Steel Seamless Pipe Sizes
Alloy Steel Seamless Pipe Sizes
  • WT:0.6 -12.7 mm
  • OD: 21.3 – 660mm
  • Schedule: 5 to XXH
  • Length:Single/ Double
Chromoly Welded Pipe Sizes
Chromoly Welded Pipe Sizes
  • WT: 0.8 to 12.7 mm
  • OD: 1/2” NB – 24” NB
  • Schedule: 5 to 80S
  • Length:up to 26 Meters
Low Alloy Steel Thick Wall Pipe Sizes
Low Alloy Steel Thick Wall Pipe Sizes
  • WT: 2.5 – 100mm
  • OD: 16’OD TO 54″ OD
  • Length: 0.5 to 12 Meter
  • Standard: ASTM A312 | ASME SA 312
Alloy Steel Pipe Manufacturing Process
Alloy Steel Pipe Manufacturing Process
  • Seamless
  • ERW
  • Welded
  • Fabricated
Chromoly Pipe Origin
Chromoly Pipe Origin
  • European Origin
  • Indian Origin
  • Japanese Origin
  • Korean Origin
Chrome Moly Pipe Finish
Chrome Moly Pipe Finish
  • Polished
  • Bright
  • Annealing
  • Mirror
Alloy Steel Seamless Pipes Technique
Alloy Steel Seamless Pipes Technique
  • Cold Formed
  • Precision Rolled,
  • Hot Formed
Low Alloy Steel Pipe Testing
Low Alloy Steel Pipe Testing
  • Chemical
  • Ultrasonic
  • PMI
  • Mechanical
Chromoly Welded Pipe Form
Chromoly Welded Pipe Form
  • Square
  • Round
  • Rectangular
  • Oval
AS ERW Pipe Documentation
AS ERW Pipe Documentation
  • Raw Material Test Reports
  • NABL Approved Lab Reports
Chrome Moly Round Pipe Packaging
Chrome Moly Round Pipe Packaging
  • Bubble wraps
  • Wooden Boxes
  • Steel Strips Bundled
  • Custom
Low Alloy Steel Square Pipe End
Low Alloy Steel Square Pipe End
  • Plain
  • Beveled

High Temperature Alloy Steel Pipe Dimensions

Most Genuine Alloy Steel Pipe Manufacturer in India As Per International Standards

NPS (inch) OD (inch) OD (mm) Wall Thickness (inch) Wall Thickness (mm) Weight (lb/ft) Weight (kg/m)
1/4 0.540 13.7 0.088 2.24 0.42 0.84
3/4 1.050 26.7 0.113 2.87 1.13 1.69
1 1/4 1.660 42.2 0.140 3.56 2.27 3.39
2 2.375 60.3 0.154 3.91 3.65 5.44
3 3.500 88.9 0.216 5.49 7.58 11.29
4 4.500 114.3 0.237 6.02 10.79 16.07
6 6.625 168.3 0.280 7.11 18.97 28.26
10 10.750 273.0 0.365 9.27 40.48 60.31
14 14 355.6 0.375 11.13 54.57 94.55
18 18 457.0 0.562 14.27 104.67 155.80
24 24 610.0 0.688 17.48 171.29 255.41

Discover Chromoly Welded and ERW Pipe With Size 1/8″ to 30″ NB Or Custom in Various Grades and Wall Thickness

Chromoly Alloy Steel Pipe Grades

  • SA335 P1 Pipe
  • SA335 P2 Pipe
  • SA335 P5 Pipe
  • SA335 P9 Pipe
  • SA335 p11 Pipe
  • SA335 p22 Pipe
  • SA335 P91 Pipe

Chromoly Welded Pipe Wall Thickness

NPS OD Sch 80 Sch 40
Weight Per Ft. Wall Thickness Weight Per Ft. Wall Thickness
1/2 0.840 1.088 0.147 0.851 0.109
1 1.315 2.172 0.179 1.679 0.133
3-1/2 4.000 12.510 0.318 9.109 0.226
5 5.563 20.780 0.375 14.620 0.258
8 8.625 43.390 0.500 28.550 0.322
12 12.750 88.710 0.688 53.570 0.406
1-1/2 1.900 3.631 0.200 2.718 0.145
1/4 0.540 0.535 0.119 0.425 0.088
2-1/2 2.875 7.661 0.275 5.793 0.203

Alloy Steel Welded Pipe Weight Chart

NPS OD XXS 5 S 10 S 20 S 160 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 1.03 1.65 1.28 2.11 1.52 2.55 2.9 5.56
1 1/4 32 42.2 7.77 9.7 1.65 1.65 2.7 2.77 2.9 3 5.61 6.35
3/8 10 17.1 – – .47 1.2 .63 1.65 .74 2 – –
5 125 141.3 57.43 19.05 9.47 2.77 11.57 3.4 16.8 5 49.11 15.88
8 200 219.1 107.92 22.23 14.79 2.77 19.96 3.76 33.31 6.35 111.27 23.01
2 50 6 .3 13.44 11.07 2.4 1.65 3.93 2.77 4.24 3 11.11 8.74
3 80 88.9 27.68 15.24 4.51 2.11 6.45 3.05 8.37 4 21.3 11.1
1/8 3 1 .3 – – .2 1.2 .28 1.24 .33 1.5 – –
12 300 323.8 186.97 25.4 31.25 3.96 36 4.57 49.7 6.35 238.76 33.32

Keep Low Alloy Steel Square and Rectangular Pipe Ready Stock For Sale, Refer More Available Types and HSN Code

Low Alloy Steel Square Pipe HSN Code

HSN Code DESCRIPTION
7304 Tubes/ Pipes & Hollow Profiles/ Seamless/ Of Iron Or Steel
7307 Tube of Iron Or Steel
73045930 Above 219.1 mm OD
73045920 Above 114.3 mm but up to 219.1 mm OD
73072900 Other
73041190
73049000

A Alloy Steel Pipe Manufacturers of excellence-delivering consistent quality across every shipment

Most Common Types of Alloy Steel Pipes

Best Alloy Steel Pipe Supplier in India, Stock and Supply Custom Shapes As Per Your Project Requirment

Alloy Steel Seamless Pipe

Alloy Steel Seamless Pipe

Chromoly Welded Pipe

Chromoly Welded Pipe

AS ERW Pipe

AS ERW Pipe

Chrome Moly Round Pipe

Chrome Moly Round Pipe

Low Alloy Steel Square Pipe

Low Alloy Steel Square Pipe

Alloy Steel Rectangular Pipe

Alloy Steel Rectangular Pipe

Buy JSL and MSL Make Chrome Moly Round Pipe Online At Factory Price, Compare Price List

Chrome Moly Round Pipe Price

SIZE” SIZE NB JSL Price in USD $/Ton MSL Price in USD $/Ton
1/2 15 US $ 4,272.06 US $ 4,264.71
3/4 20 US $ 4,051.47 US $ 4,044.12
1 25 US $ 3,904.41 US $ 3,897.06
1.25 32 US $ 3,860.29 US $ 3,852.94
1.5 40 US $ 3,757.35 US $ 3,750.00
2 50 US $ 2,566.18 US $ 2,558.82
2.5 65 US $ 2,566.18 US $ 2,558.82
3 80 US $ 2,566.18 US $ 2,558.82
3.5 90 US $ 2,566.18 US $ 2,558.82
4 100 US $ 2,566.18 US $ 2,558.82
5 125 US $ 2,566.18 US $ 2,558.82
6 150 US $ 2,566.18 US $ 2,558.82
8 200 US $ 2,566.18 US $ 2,558.82

ASTM A335 Alloy Steel Seamless Pipe Heat Treatment

Grades Heat Treatment Type Normalizing Temperature Range F [C] Subcritical Annealing
or Tempering
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  – –
Normalize and Temper 1250 [675] *****
Subcritical Anneal (P5c only) 1325 – 1375 [715 – 745] *****

Alloy Steel EFW Pipe Tolerance

NPS NPS OD Tolerance WT Tolerance
1/8″ ≤ NPS ≤ 2 1/2″ , For All T/D ratios. 1/8″ ≤ NPS ≤ 1 1/2″ +/- 0.4 +20 % , -12.5 %
NPS ≥ 2 1/2″ , T/D ≤ 5 % 1 1/2 < NPS ≤ 4″ +/- 0.79 +22.5 % , -12.5 %
NPS ≥ 2 1/2″ , T/D > 5 % 4″ < NPS ≤ 8″ +1.59, -0.79 +15 % , -12.5 %

What is the difference between Hot-finished and Cold-finished Alloy Steel Pipes?

Properties Hot-Finished Cold-Finished
Manufacturing Process High-temperature forming Room temperature forming
Surface Finish Rough Smooth
Dimensional Accuracy Less precise Highly precise
Mechanical Properties Lower strength, less hardness Higher strength, more hardness
Applications Large diameter, non-critical finishes Precision applications
Cost Lower Higher
Processing Time Faster Slower
Get Japanese and European Origin High AS Pipe With Plain and Beveled End For Construction and Power Generatio

Alloy Steel Rectangular Pipe Applications

Alloy Steel Rectangular Pipe Applications

Low Alloy Steel Seamless Pipe Trade Names

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

AS EFW Pipe Equivalent Standards

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

Chrome Moly Round Pipe Chemical Composition

Grades UNS Cr Mo C≤ P≤ Si≤ Mn S≤
P1 K11522 – 0.44~0.65 0.10~0.20 0.025 0.10~0.50 0.30~0.80 0.025
P2 K11547 0.50~0.81 0.44~0.65 0.10~0.20 0.025 0.10~0.30 0.30~0.61 0.025
P5 K41545 4.00~6.00 0.44~0.65 0.15 0.025 0.50 0.30~0.60 0.025
P5b K51545 4.00~6.00 0.44~0.65 0.15 0.025 1.00~2.00 0.30~0.60 0.025
P5c K41245 4.00~6.00 0.44~0.65 0.12 0.025 0.50 0.30~0.60 0.025
P9 S50400 8.00~10.00 0.44~0.65 0.15 0.025 0.50~1.00 0.30~0.60 0.025
P11 K11597 1.00~1.50 0.44~0.65 0.05~0.15 0.025 0.50~1.00 0.30~0.61 0.025
P12 K11562 0.80~1.25 0.44~0.65 0.05~0.15 0.025 0.50 0.30~0.60 0.025
P15 K11578 – 0.44~0.65 0.05~0.15 0.025 1.15~1.65 0.30~0.60 0.025
P21 K31545 2.65~3.35 0.80~1.60 0.05~0.15 0.025 0.50 0.30~0.60 0.025
P22 K21590 1.90~2.60 0.87~1.13 0.05~0.15 0.025 0.50 0.30~0.60 0.025
P91 K91560 8.00~9.50 0.85~1.05 0.08~0.12 0.020 0.20~0.50 0.30~0.60 0.010
P92 K92460 8.50~9.50 0.30~0.60 0.07~0.13 0.020 0.50 0.30~0.60 0.010

Mechanical Properties of Alloy Steel ERW Pipe

AISI Conditions Yield strength (MPa) Ultimate tensile strength (MPa) Reduction of area (%) Hardness (HB) Elongation in 50 mm (%)
1020 As-rolled 346 448 59 143 36
Normalized 330 441 67 131 35
Annealed 294 393 66 111 36
3140 Normalized 599 891 57 262 19
Annealed 422 689 50 197 24
Annealed 472 744 49 217 22
1080 As-rolled 586 1010 17 293 12
Normalized 524 965 20 293 11
Annealed 375 615 45 174 24
8620 Normalized 385 632 59 183 26
Annealed 357 536 62 149 31

IBR Alloy Steel Pipe Marking

  • ASTM A335 Grade and type
  • Monogram Marking
  • Type of Low Alloy Pipe Thread
  • Alloy Steel Pipe Manufacturer’s name
  • Weight
  • Impact Test Temperature
  • Chromoly Alloy Steel material Heat treatment
  • Manufacturing Process

What are the long-term cost benefits of using alloy steel pipes for certain industrial applications?

  • Increased Durability and Longevity
  • Reduced Maintenance Costs
  • Energy Savings
  • Improved Safety
  • Optimized System Design and Efficiency
  • Reduced Lifecycle Costs

Keep Stock Of Below Chromoly Welded Pipe

High Quality Alloy Steel Pipe

High Quality Alloy Steel Pipe

Cold Rolled Low Alloy Steel Seamless Steel Pipe

Cold Rolled Low Alloy Steel Seamless Steel Pipe

High Quality Alloy Steel ERW Pipe

High Quality Alloy Steel ERW Pipe

37mn Alloy Structure Seamless Steel Pipe

37mn Alloy Structure Seamless Steel Pipe

ASTM A335 Low Alloy Steel Square Pipe

ASTM A335 Low Alloy Steel Square Pipe

25CrMo4 Alloy Steel Pipe

25CrMo4 Alloy Steel Pipe

Alloy Steel Pipe Delivery Time As Per Country

Export to Shipping Time in Days
USA 40-60
Bahrain 9
Saudi Arabia 7
Singapore 8
Qatar 7
Uk 30
Italy 30
Philippines 14
Malaysia 10
France 30

ganpat industrial corporation

6 Reasons to choose Ganpat Industrial Corporation

  1. Distributor of Heat Exchanger parts and Alloys for High Temperature applications.
  2. Stockholder and importer of Ferrous and non ferrous metals.
  3. Wide stock of prime quality austenitic and Ferritic Stainless Steel for Extreme pressure environment.
  4. Marine grade steel at lowest price in Mumbai.
  5. Compare Price per KG in India and China.
  6. Offer Resale price to local suppliers, traders and wholesalers in UAE, Saudi Arabia, Egypt, and USA