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ASTM A335 P12 Pipe & Tube

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Alloy Steel A335 P12 Pipe Manufacturer & Supplier

ASTM A335 P12 Pipe & Tube

Sachin Steel Centre is a leading manufacturer, supplier and exporter of Alloy Steel A335 P12 Pipe, known for their superior quality, durability, and compliance with international standards. The A335 P12 material composition includes 0.05–0.15% carbon, 0.30–0.61% manganese, 0.5% silicon, 0.80–1.25% chromium, and 0.44–0.65% molybdenum, with minimal sulphur and phosphorus. This combination of chromium and molybdenum enhances strength, hardness, wear resistance, and high-temperature performance, earning it the common name “Chrome-Moly Pipe”.

These ferritic alloy steel pipes are designed to handle high-pressure and high-temperature applications, making them ideal for oil and gas, power generation, chemical processing, and boiler systems. They are manufactured through processes such as full or isothermal annealing, normalising, and tempering to ensure precision, structural integrity, and long service life.

Sachin Steel Centre A335 P12 seamless pipes offer excellent corrosion resistance, robust construction, and superior durability, even under extreme conditions. They are engineered to deliver high tensile strength, resist deformation, and maintain dimensional accuracy across various industrial applications. With a commitment to quality, our pipes meet ASTM A335/ASME SA335 standards and equivalent grades like BSI 3604/620, providing reliable performance and safety.

By choosing Sachin Steel Centre, clients gain access to high-quality, precision-engineered alloy steel pipes designed for rigorous industrial demands, ensuring long-term efficiency, safety, and value in every project.

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Table Of Content

What is Alloy Steel A335 P12 Pipe?

Alloy Steel A335 P12 Pipe are high-performance ferritic alloy-steel pipes designed for high-temperature and high-pressure applications. The material composition includes 0.05–0.15% carbon, 0.30–0.61% manganese, 0.5% silicon, 0.80–1.25% chromium, and 0.44–0.65% molybdenum, with minimal sulfur and phosphorus. This combination of chromium and molybdenum enhances strength, hardness, wear resistance, and high-temperature performance, earning it the popular name “Chrome-Moly Pipe.”

These pipes undergo heat treatment processes like full or isothermal annealing, normalizing, and tempering to ensure dimensional accuracy, high tensile strength, and long service life. They offer excellent corrosion resistance, robust construction, and durability, making them suitable for oil and gas, power plants, chemical processing, and boiler systems.

Engineered to withstand extreme conditions, Alloy Steel A335 P12 Pipes deliver reliable performance under high-pressure and heavy-load environments, combining strength, precision, and resistance to wear and deformation, ensuring efficiency and safety in demanding industrial applications.

Types of ASTM A335 P12 Pipe & Tubing Products

seamless-pipes

ASTM A335 P12 Seamless Pipe

seamless-tubes

ASTM A335 P12 ERW Pipe

erw

ASTM A335 P12 Welded Pipe

Rectangular Pipe

ASTM A335 P12 Rectangle Pipe

Welded Tube

ASTM A335 P12 EFW Pipe

Square Pipe

ASTM A335 P12 Square Pipe

Request Quote on Types of ASTM A335 P12 Pipe
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A335 gr P12 Welded Pipe Manufacturer in India, ASME SA335 Gr P12, A335 P12 Pipe Suppliers, ASME SA335 P12 Alloy Steel Pipe, P12 Alloy Grade Material Pipe, P12 Grade Alloy Steel Pipe, P12 Steel Pipe.

Specification of Alloy Steel A335 P12 Pipe

Specifications ASTM A 335 P12 / ASME SA 335 P12
Dimensions ASTM, ASME, and API
Tubing Size 1 / 2 up to 5 Inch Outer Diameter
Size 1/8 TO 30 Inch
Outer Diameter 6 To 2500 mm
Wall Thickness 1 To 200mm
Schedule Schedule 80, Schedule 20, Schedule 60, Schedule 40, STD, Schedule 160, XS, Schedule 80,
Schedule 30, Schedule 120, Schedule 140, XXS
Type Seamless / Fabricated
Form Round
Hydraulic
Length With in 13500mm
Length Random, Double Random Single & Cut Length.
End Plain End, Beveled End, Treaded

A335 P12 Alloy Steel Pipe Chemical Composition

Grade C Cr Mn Mo P S Si
Alloy Steel P12 0.05 – 0.15 1.00 – 1.50 0.30 – 0.60 0.44 – 0.65 0.025 max 0.025 max 0.50 – 1.00

Equivalent Grades of Alloy Steel P12 Seamless Pipes

STANDARD WERKSTOFF NR. UNS TRADE NAME
CrMo P12 1.7335 K11562 13CrMo4-5

A335 Gr P12 Welded Pipe Size Chart In MM

O.D. x Thickness(mm) O.D x Thickness(mm) O.D x Thickness(mm)
38.1 x 3.2 57.0 x 4.9 76.2 x 4.0
38.1 x 4.0 57.0 x 6.3 76.2 x 5.0
38.1 x 6.3 57.0 x 7.9 76.2 x 6.3
42.4 x 3.2 60.3 x 3.2 82.5 x 4.5
42.4 x 4.0 60.3 x 3.6 88.9 x 3.2
44.5 x 3.2 60.3 x 5.0 88.9 x 3.6
44.5 x 6.3 63.5 x 3.2 88.9 x 4.0
48.3 x 3.2 63.5 x 3.6 101.6 x 3.6
48.3 x 3.6 63.5 x 4.0 101.6 x 4.5
50.8 x 4.5 63.5 x 6.3 101.6 x 6.3
51.0 x 3.2 63.5 x 7.9 114.3 x 3.6
51.0 x 3.6 70.0 x 3.2 114.3 x 5.0
51.0 x 6.3 70.0 x 3.6 139.7 x 4.0
57.0 x 3.2 70.0 x 6.3 139.7 x 5.0
57.0 x 3.6 76.2 x 3.6 139.7 x 6.3

Alloy Steel A335 P12 Pipe Mechanical properties

Tensile Strength, MPa Yield Strength, MPa Elongation
415 min 205 min 30 min

P12 Alloy Steel Seamless Pipe Outside Diameter & Tolerance

ASTM A450 Hot rolled Tolerance, millimeter O.D., millimeter
+0.4/-0.8 OD≤101.6
+0.4/-1.2 101.6＜OD≤190.5
+0.4/-1.6 190.5＜OD≤228.6
Cold Drawn Tolerance, millimeter O.D., millimeter
±0.10 OD＜25.4
±0.15 25.4≤OD≤38.1
±0.20 38.1＜OD＜50.8
±0.25 50.8≤OD＜63.5
±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
ASTM A530 & ASTM A335 NPS Tolerance, mm O.D., inches
±0.40 1/8≤OD≤1-1/2
±0.79 1-1/2＜OD≤4
+1.59/-0.79 4＜OD≤8
+2.38/-0.79 8＜OD≤12
±1% OD>12

SA335 Gr P12 ERW pipe Weight Chart

Size NPS Wall Thickness I.D. O.D. Wgt per Foot Sch.
Pipe #		 Section Modulus Standard to XXHY Gallon Capacity Per Linear Foot
1/2 0.109 0.622 0.84 0.85 40 .0407 STD .0158
  0.147 0.546   1.09 80 .0478 XHY .0122
  0.188 0.464   1.31 160 .0528   .0088
  0.294 0.252   1.72   .0577 XXHY .0026
3/4 0.113 0.824 1.05 1.13 40 .0705 STD .0277
  0.154 0.742   1.48 80 .0853 XHY .0225
  0.219 0.612   1.95 160 .1006   .0153
  0.308 0.434   2.44   .1103 XXHY .0077
1 0.133 1.049 1.315 1.68 40 .1328 STD .0449
  0.179 0.957   2.17 80 .1606 XHY .0374
  0.250 0.815   2.85 160 .1904   .0271
  0.358 0.599   3.66   .2136 XXHY .0146
1 1/4 0.140 1.380 1.66 2.27 40 .2346 STD .0777
  0.191 1.278   3.00 80 .2913 XHY .0666
  0.250 1.160   3.77 160 .3421   .0549
  0.382 0.896   5.22   .4110   .0328
1 1/2 0.145 1.610 1.90 2.72 40 .3262 STD .1058
  0.200 1.500   3.63 80 .4118 XHY .0918
  0.281 1.338   4.86 160 .5079   .0730
  0.400 1.100   6.41   .5977   .0494
2 0.109 2.157 2.375 2.64 10 .4205   .1898
  0.154 2.067   3.66 40 .5606 STD .1743
  0.218 1.939   5.03 80 .7309 XHY .1534
  0.250 1.875   5.68   .8045   .1434
  0.281 1.813   6.29   .8666   .1344
  0.344 1.687   7.47 160 .9806   .1161
  0.436 1.503   9.04   1.1043 XXHY .0922
2 1/2 0.120 2.635 2.875 3.53 10 .6870   .2833
  0.203 2.469   5.80 40 1.0640 STD. .2487
  0.216 2.443   6.14   1.1169   .2435
  0.250 2.375   7.02   1.2468   .2301
  0.276 2.323   7.67 80 1.3386 XHY .2202
  0.375 2.125   10.02 160 1.6371   .1842
  0.552 1.771   13.71   1.9971 XXXHY .1280
3 0.120 3.260 3.50 4.34   1.0411   .4336
  0.156 3.188   5.58   1.3122   .4147
  0.172 3.156   6.12   1.4265   .4064
  0.188 3.124   6.66   1.5342   .3984
  0.216 3.068   7.58 40 1.7241 STD. .3840
  0.250 3.000   8.69   1.9372   .3672
  0.281 2.938   9.67   2.1207   .3521
  0.300 2.900   10.26 80 2.2253 XHY .3431
  0.438 2.624   14.34 160 2.8774   .2811
  0.600 2.300   18.6   3.4243 XXHY .2158
3 1/2 0.120 3.760 4.0 4.98 10 1.3776   .5768
  0.226 3.548   9.12 140 2.3939 STD. .5136
  0.250 3.500   10.02   2.6001   .4998
  0.281 3.438   11.17   2.8562   .4821
  0.318 3.364   12.52 80 3.1400 XHY .4617
  0.636 2..728   22.87   4.8795 XXHY .3085
4 0.120 4.260 4.5 5.62 10 1.7612   .7404
  0.156 4.188   7.24   2.2354   .7156
  0.188 4.124   8.67   2.6296   .6942
  0.203 4.094   9.32   2.8173   .6838
  0.219 4.062   10.02   3.0184   .6725
  0.237 4.026   10.80 40 3.2145 STD. .6613
  0.250 4.000   11.36   3.3611   .6528
  0.281 3.938   12.67 60 3.7021   .6326
  0.312 3.876   13.97   4.0273   .6126
  0.337 3.826   15.00 80 4.2713 XHY .5972
  0.438 3.624   19.02 120 5.1790   .5361
  0.531 3.438   22.53 160 5.8997   .4822
  0.674 3.152   27.57   6.7927 XXHY .4054
5 0.188 5.187 5.563 10.80   4.1161   1.0979
  0.219 5.125   12.51   4.7279   1.0716
  0.258 5.047   14.63 40 5.4500 STD. 1.0391
  0.281 5.001   15.87   5.8644   1.0204
  0.312 4.939   17.51   6.4074   .99647
  0.344 4.875   19.19   6.9358   .9696
  0.375 4.813   20.80 80 7.4300 XHY .9449
  0.500 4.563   27.06 120 9.2534   .8495
  0.625 4.313   32.99 160 10.7976   .7590
  0.750 4.063   38.59   12.0954 XXHY .6734
6 0.109 6.407 6.625 7.59 5 3.5769   1.6748
  0.134 6.357   9.30 10 4.3475   1.6488
  0.156 6.313   10.79   5.0107   1.6260
  0.188 6.249   12.94   5.9351   1.5937
  0.203 6.219   13.94   6.3804   1.5780
  0.219 6.187   15.00   6.8261   1.5620
  0.250 6.125   17.04   7.6905   1.5306
  0.280 6.065   18.99 40 8.4958 STD. 1.5008
  0.312 6.001   21.06   9.3416   1.4688
  0.344 5.937   23.10   10.111   1.4391
  0.375 5.875   25.05   10.893   1.4082
  0.432 5.761   28.60 80 12.224 XHY 1.3541
  0.500 5.625   32.74   13.711   1.2909
  0.562 5.501   36.43 120 14.9806   1.2346
  0.625 5.375   40.09   16.1821   1.1787
  0.719 5.187   45.39 160 17.8243   1.0977
  0.864 4.897   53.21   20.025 XXHY .9784
  1.000 4.625   60.13   21.7719   .8727
  1.125 4.375   66.14   23.1237   .7809

ASTM A335 Grade P12 welded pipe Wall Thickness

ASTM A450 Hot rolled Outside Diameter, mm Tolerance, %
OD≤101.6, WT≤2.4 +40/-0
OD≤101.6, 2.4＜WT≤3.8 +35/-0
OD≤101.6, 3.8＜WT≤4.6 +33/-0
OD≤101.6, WT>4.6 +28/-0
OD>101.6, 2.4＜WT≤3.8 +35/-0
OD>101.6, 3.8＜WT≤4.6 +33/-0
OD>101.6, WT>4.6 +28/-0
Cold Drawn Outside Diameter, mm Tolerance, %
OD≤38.1 +20/-0
OD>38.1 +22/-0
ASTM A530 NPS Outside Diameter, inch Tolerance, %
1/8≤OD≤2-1/2 +20.0/-12.5
3≤OD≤18, WT/OD≤5% +22.5/-12.5
3≤OD≤18, WT/OD>5% +15.0/-12.5
OD≥20, WT/OD≤5% +22.5/-12.5
OD≥20, WT/OD>5% +15.0/-12.5

Industrial Applications of ASTM A335 P12 Pipe & Tubes

    • Petrochemical Industry
    • Chemical Industry
    • Oil and Gas Industry
    • Pulp & Paper Indusry
    • Power Plant Industry
    • Food Processing Industry
    • Pharmaceuticals Industry
    • Energy Industry
    • Aerospace Industry
Application Industries

Frequently Asked Questions About ASTM A335 P12 Pipe

ASTM A335 P12 is a ferritic alloy steel pipe grade known for its excellent resistance to oxidation and corrosion at elevated temperatures. It contains chromium and molybdenum, providing enhanced strength and durability.

We offer P12 seamless pipes in sizes ranging from 1/2″ NB to 24″ NB, with wall thicknesses from 2.0mm to 14mm. Available schedules include SCH 5, SCH 10, SCH 40, SCH 80, and SCH 160.

P12 seamless pipes are commonly used in industries such as oil and gas, power generation, chemical processing, and heat exchangers, where high-temperature and high-pressure conditions prevail.

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