A333 Grade 6 Pipe

ASTM A333 Grade 6 Pipe manufacturer in India
ISO Certified Manufacturer

A333 Grade 6 Pipe for Low-Temperature and Pressure Service

A333 Grade Pipe is a carbon and alloy steel pipe product designed for applications involving low temperatures and, in applicable grades, notched-toughness requirements. ASTM A333 Grade 6, commonly referred to as A333 Gr 6 Pipe or A333 Grade 6 Pipe, is one of the widely specified grades under ASTM A333/A333M.

A333 Grade 6 is commonly considered for piping systems operating at low temperatures, including applications in oil & gas, petrochemical, chemical processing, power generation, and other industrial facilities.

Spark Steel can support industrial buyers with piping requirements based on the required grade, dimensions, testing, documentation, and project specifications.

ASTM A333 is the product specification, while Grade 6 is a specific grade. Material selection should be based on design temperature, pressure, fluid, impact-testing requirements, applicable codes, and project specifications.

20+
Years of Experience
50+
Grades in Stock
1/8"–2–4"
Size Range
100%
Quality Tested

A333 Gr 6 pipe specification

A333 Gr 6 pipe specification

SPECIFICATIONDETAILS
Pipe EndBeveled Ends, Plain Ends, Threaded Ends
ToleranceCold Drawn: +/-0.1 mm, Cold Rolled: +/-0.05 mm, OD: +/-1%
FormRectangle, Round, Square
Welding ProcedureFCAW, SMAW, GMAW, GTAW
Length18 m, 3 m, Custom length
Manufacturing MethodsFabricated, ERW, Extrusion
SizesDiameter: 25 to 750 mm, Pipe: 1/2” to 36”
ASME CodeASME B36.10m/B36.19m
ScheduleSch 5 to Sch 160
ASTM A333 Grade 6 pipe

ASTM A333 Grade 6 pipe

A333 seamless pipe

A333 seamless pipe

SA 333 Gr 6 welded pipe

SA 333 Gr 6 welded pipe

A333 Gr 6 erw pipe

A333 Gr 6 ERW pipe

SA 333 Gr 6 material

SA 333 Gr 6 material

A333 Grade 6 pipe

A333 Grade 6 pipe

ASTM A333 Grade 6 pipe weight chart

ASTM A333 Grade 6 pipe weight chart

Pipe size ID OD Standard to XXHY Sched WT Weight Section Modulus Gallon
2 2.157 2.375 10 0.109 2.64 .4205 .1898
1.939 XHY 80 0.218 5.03 .7309 .1534
1.813 0.281 6.29 .8666 .1344
2 1/2 2.635 2.875 10 0.120 3.53 .6870 .2833
2.443 0.216 6.14 1.1169 .2435
2.323 XHY 80 0.276 7.67 1.3386 .2202
3 3.260 3.50 0.120 4.34 1.0411 .4336
3.156 0.172 6.12 1.4265 .4064
3.068 STD. 40 0.216 7.58 1.7241 .3840
2.938 0.281 9.67 2.1207 .3521
3 1/2 3.760 4.0 10 0.120 4.98 1.3776 .5768
3.500 0.250 10.02 2.6001 .4998
3.364 XHY 80 0.318 12.52 3.1400 .4617
1/2 0.622 0.84 STD 40 0.109 0.85 .0407 .0158
3/4 0.824 1.05 STD 40 0.113 1.13 .0705 .0277
0.612 160 0.219 1.95 .1006 .0153
1 1.049 1.315 STD 40 0.133 1.68 .1328 .0449
0.815 160 0.250 2.85 .1904 .0271
1 1/4 1.380 1.66 STD 40 0.140 2.27 .2346 .0777
1.160 160 0.250 3.77 .3421 .0549
1 1/2 1.610 1.90 STD 40 0.145 2.72 .3262 .1058
1.338 160 0.281 4.86 .5079 .0730
4 4.260 4.5 10 0.120 5.62 1.7612 .7404
4.124 0.188 8.67 2.6296 .6942
4.062 0.219 10.02 3.0184 .6725
4.000 0.250 11.36 3.3611 .6528
3.876 0.312 13.97 4.0273 .6126
3.624 120 0.438 19.02 5.1790 .5361
5 5.187 5.563 0.188 10.80 4.1161 1.0979
5.047 STD. 40 0.258 14.63 5.4500 1.0391
4.939 0.312 17.51 6.4074 .99647
4.813 XHY 80 0.375 20.80 7.4300 .9449
6 6.407 6.625 5 0.109 7.59 3.5769 1.6748
6.313 0.156 10.79 5.0107 1.6260
6.219 0.203 13.94 6.3804 1.5780
6.125 0.250 17.04 7.6905 1.5306
6.001 0.312 21.06 9.3416 1.4688
5.875 0.375 25.05 10.893 1.4082
5.625 0.500 32.74 13.711 1.2909
5.375 0.625 40.09 16.1821 1.1787
4.897 XXHY 0.864 53.21 20.025 .9784
4.375 1.125 66.14 23.1237 .7809

A333 Gr 6 smls pipe standards

A333 Gr 6 smls pipe standards

ASTM BS DIN EN NFA ASME
ASME SA 333 Grade 6 NFA A 36-2051) Grade A 42 AP DIN 17178 Grade FGP 28 EN P265NL Grade 10216-4 ASTM A333 Grade6 UNI C20

A333 Gr 6 allowable stress

  • 18.9ksi to 500 °F
  • 20Ksi to 400 °F

ASTM A333 Grade 6 pipe dimensions

ASTM A333 Grade 6 pipe dimensions

NB OD Size in inches S10 S20 S40 S80 S120 S160
milimeter milimeter milimeter milimeter milimeter milimeter milimeter
90 101.6 3 1/2” 5.74 8.08
125 141.3 5” 6.55 9.53 12.7 15.9
200 219.1 8” 6.4 8.18 12.7 19.3 23
300 323.9 12” 6.4 10.3 17.5 25.4 33.3
400 406.4 16” 6.4 7.9 12.7 21.4 31 40.5
13.72 1/4” 2.24 3.02
15 21.34 1/2” 2.77 3.73 4.78
25 33.4 1” 3.38 4.55 6.35
40 48.26 1 1/2” 3.68 5.08 7.14
65 73.03 2 1/2” 5.16 7.01 9.53
500 508 20” 6.4 9.5 15.1 26.2 38.1 50
600 609.6 24” 6.4 9.5 17.5 31 46 59.5
700 711.2 28” 7.9 13
800 812.8 32” 7.9 13 17.5
900 914.4 36” 7.9 13 19.1

Coating of A333 Gr 6 seamless pipe

  • FBE coating
  • Galvanised Finish
  • Zinc coating
  • 3PE coating
  • Black Painting
  • Anti-Corrosion Oil

A333 Grade 6 pipe wall thickness

A333 Grade 6 pipe wall thickness

Wall Thickness ASTM A333 Grade 6
in. mm Longitudinal Transverse
3/16 (.188) 4.8 24
5/32 (.156) 4 22
1/8 (.125) 3.2 21
5/16 (0.312) 8 30 16
9/32 (.281) 7.2 28 15
1/4 (.250) 6.4 27 15
7/32 (.219) 5.6 26
3/32 (.094) 2.4 20
1/16 (.063) 1.6 18

ASTM A333 Grade 6 temperature range

ASTM A333 Grade 6 temperature range

Grades The Low Temp for strike tests
℉ ℃
A333 Gr 6 -50 -45

Applications of A333 Gr 6 pipe

  • Condensers
  • Pulp and Paper Industry
  • Sea Water Equipment
  • Specialty Chemicals
  • Pharmaceutical Equipment
  • Power Generation
  • Petrochemicals

ASTM A333 Grade 6 pipe schedule

ASTM A333 Grade 6 pipe schedule

DN milimeter Inches Schedule 10 Schedule 10S Schedule 160 XS Sth Schedule 80 Schedule 120 Schedule 20 Schedule 40 XXS
50 60.3 2 2.77 8.74 5.54 3.91 5.54 3.91 11.07
80 88.9 3 3.05 11.13 7.52 5.49 7.62 5.49 15.24
100 114.3 4 3.05 13.49 8.56 6.02 8.58 11.13 6.02 17.12
150 168.3 6 3.4 18.26 10.97 7.11 10.97 14.27 7.11 21.95
250 273.1 10 4.19 28.58 12.7 9.27 15.09 21.44 6.35 9.27 25.4
350 355.5 14 6.35 4.78 35.71 12.7 9.53 19.05 27.79 7.92 11.13
450 457.2 18 6.35 4.78 45.24 23.83 34.93 7.92 14.27
550 558.8 22 6.35 5.54 53.98 28.58 41.28 9.53
600 609.6 24 6.35 6.35 59.54 30.96 46.02 9.53 17.48

ASME SA 333 Grade 6 carbon steel pipes pressure rating

ASME SA 333 Grade 6 carbon steel pipes pressure rating

NPS Schedule OD
(inch) 20 10 30 STD 40 XXS XS 60 80 100 120 140 160 (inch)
10 1140 1399 1664 1664 4558 2279 2279 2708 3277 3847 4558 5128 10.075
12 961 1268 1441 1560 3843 1922 2160 2644 3244 3843 4324 5042 12.075
14 1092 875 1313 1313 1533 1750 2079 2625 3283 3829 4375 4921 14
1/4 7985 7985 10798 10798 0.054
3/8 6606 6606 9147 9147 0.0675
1/2 6358 6358 17150 8575 8575 10908 0.084
3/4 5273 5273 14373 7187 7187 10220 1.005
1 4956 4956 13340 6670 6670 9316 1.0315
2 3177 3177 8995 4498 4498 7097 2.0375
2 1/2 3460 3460 9408 4704 4704 6391 2.0875
3 3024 3024 8400 4200 4200 6132 3.05
3 1/2 2769 2769 3896 3896 4
4 2581 2581 7339 3670 3670 4769 5782 4.05
5 2273 2273 6606 3303 3303 4404 5505 5.0563
6 2071 2071 6390 3195 3195 4157 5318 6.0625
8 1420 1574 1829 1829 4971 2841 2307 2841 3375 4085 4613 5147 8.0625
1 1/4 4133 4133 11276 5638 5638 7380 1.066
1 1/2 3739 3739 10316 5158 5158 7247 1.09
16 956 766 1148 1148 1531 1531 2009 2585 3157 3733 4404 4882 16
18 849 681 1192 1021 1530 1361 2042 2553 3147 3743 4252 4848 18
20 919 613 1225 919 1455 1225 1989 2526 3138 3675 4288 4824 20
22 835 557 1114 835 1114 1949 2506 3063 3619 4176 4733 22
24 766 510 1147 766 1405 1021 1978 2489 3126 3700 4210 4786 24
30 817 510 1021 613 817 30
32 766 478 957 574 1054 32
34 721 450 901 540 992 34
36 681 425 851 510 1021 36
42 583 729 438 875 42

ASTM A333 Gr 6 impact test

ASTM A333 Gr 6 impact test

Size of Specimen, min J 10 by 3.33 10 by 2.5 10 by 7.5 10 by 5 10 by 10
7 5 14 9 18
Min Impact Value of a Set ft-lbf 3 3 8 5 10
Min. Avgerage Impact Value ft-lbf 5 4 10 7 13
J 4 4 11 7 14
Impact Temperature Grade 1 6
Min Impact Test Temp -50 -50 F
-45 -45 C

A333 Gr 6 welded pipe sizes

A333 Gr 6 welded pipe sizes

Nominal Bore Sizes Outside Dia 40S 5S 10S S10 S20 S40 S60 XS/80S S80 S100 S120 S140 S160 XXS
Milimeter
200 8” 219.1 8.2 2.8 3.8 6.4 8.18 10.3 12.7 12.7 15.1 19.3 20.6 23 22.2
250 10” 273.1 9.3 3.4 4.2 6.4 9.27 12.7 12.7 15.1 19.3 21.4 25.4 28.6 25.4
300 12” 323.9 9.5 4 4.6 6.4 10.3 14.3 12.7 17.5 21.4 25.4 28.6 33.3 25.4
350 14” 355.6 9.5 4 4.8 6.4 7.9 11.1 15.1 12.7 19.1 23.8 27.8 31.8 35.7
400 16” 406.4 9.5 4.2 4.8 6.4 7.9 12.7 16.7 12.7 21.4 26.2 31 36.5 40.5
450 18” 457.2 9.5 4.2 4.8 6.4 7.9 14.3 19.1 12.7 23.8 29.4 34.9 39.7 45.2
500 20” 508 9.5 4.8 5.5 6.4 9.5 15.1 20.6 12.7 26.2 32.5 38.1 44.5 50
1/8” 10.29 1.2 1.73 2.41
1/4” 13.72 1.7 2.24 3.02
3/8” 17.15 1.7 2.31 3.2
90 3 1/2” 101.6 5.7 2.1 3.1 5.74 8.08 8.08
100 4” 114.3 6 2.1 3.1 6.02 8.56 8.56 11.1 13.5 17.1
125 5” 141.3 6.6 2.8 3.4 6.55 9.53 9.53 12.7 15.9 19.1
150 6” 168.3 7.1 2.8 3.4 7.11 10.97 11 14.3 18.3 22
550 22” 558.8 9.5 4.8 5.5 6.4 9.5 22.2 12.7 28.6 34.9 41.3 47.6 54
600 24” 609.6 9.5 5.5 6.4 6.4 9.5 17.5 24.6 12.7 31 38.9 46 52.4 59.5
15 1/2” 21.34 2.8 1.7 2.1 2.77 3.73 3.73 4.78 7.47
20 3/4” 26.67 2.9 1.7 2.1 2.87 3.91 3.91 5.56 7.82
25 1” 33.4 3.4 1.7 2.8 3.38 4.55 4.55 6.35 9.09
32 1 1/4” 42.16 3.6 1.7 2.8 3.56 4.85 4.85 6.35 9.7
40 1 1/2” 48.26 3.7 1.7 2.8 3.68 5.08 5.08 7.14 10.2
50 2” 60.33 3.9 1.7 2.8 3.91 5.54 5.54 9.74 11.1
65 2 1/2” 73.03 5.2 2.1 3.1 5.16 7.01 7.01 9.53 14
80 3” 88.9 5.5 2.1 3.1 5.49 7.62 7.62 11.1 15.2
650 26” 660.4 9.5 7.9 13 12.7
700 28” 711.2 9.5 7.9 13 12.7
750 30” 762 9.5 6.4 7.9 7.9 13 12.7
800 32” 812.8 9.5 7.9 13 17.5 12.7
850 34” 863.6 9.5 7.9 13 17.5 12.7
900 36” 914.4 9.5 7.9 13 19.1 12.7

A333 Grade 6 chemical composition

A333 Grade 6 chemical composition

Grade Ni Mn C,max P,max Cr S,max Al Si Cu Co Mo,max V,max
6 – 0.29-1.06 0.3 0.025 – 0.025 – 0.1,min – – – –

SA 333 Gr 6 mechanical properties

SA 333 Gr 6 mechanical properties

Grade Yield strength, min Tensile strength, min Elongation(s≥8 mm)
6 240 Mpa 415 Mpa 30 %

A333 Gr 6 material equivalent

A333 Gr 6 material equivalent

New Former
Execution Standard Material Standard Material
Seamless EN 10216-4 P265NL ASTM A333 GRADE 6

 

A333 Gr 6 material equivalent

ASTM DIN BS EN NFA ASME
ASME SA 333 Grade 6 DIN 17178 Grade FGP 28 NFA A 36-2051) Grade A 42 AP EN P265NL Grade 10216-4 ASTM A333 Grade6 UNI C20

ASTM A333 Grade 6 pipe price list

ASTM A333 Grade 6 pipe price list

Description Price in USD Price in Kilogram (INR)
Carbon Steel ASTM A333 Gr 6 Pipe, Thickness: 10 mm, Size: 2 inch $ 0.88 ₹ 75
Carbon Steel ASTM A333 Grade6 Pipe, Thickness: 2mm To 50mm $ 0.94 ₹ 80
Polished CS ASTM A 333 Gr 6 Pipe, Wall Thickness: 1 mm $ 1.17 ₹ 100

ASTM A333 Gr.6 material tolerance chart

ASTM A333 Gr.6 material tolerance chart

Tolerance (%) OD (inch)
+20.00/-12.05 1/8 ≤ OD ≤ 2-1/2
+22.05/-12.05 3 ≤ OD ≤ 18, WT/ OD ≤ 5%
+15.00/-12.05 3 ≤ OD ≤ 18, WT/ OD >5%
+22.05/-12.05 OD ≥ 20, WT/ OD ≤ 5%
+15.0/-12.05 OD ≥ 20, WT/ OD >5%

ASME SA333 Grade 6 thermal conductivity

ASME SA333 Grade 6 thermal conductivity

Property Value Temperature
Melting point 1370 - 1530 °C
Coefficient of thermal expansion 1E-5 - 1.5E-5 1/K 23.0 °C
Thermal conductivity 14 - 31 W/(m·K) 23.0 °C
Specific heat capacity 460 J/(kg·K) 23.0 °C

ASTM A333 Grade 6 density

ASTM A333 Grade 6 density

Density (lb / cu. in.) 0.284

What Is A333 Grade Pipe?

A333 Grade Pipe refers to seamless and welded steel pipe covered by ASTM A333/A333M, a specification for pipe intended for low-temperature service and applications requiring notch toughness.

Among the grades covered by this specification, Grade 6 is commonly encountered in industrial procurement.

A333 Grade 6 Meaning

A333 – ASTM specification covering steel pipe for low-temperature service and other applications requiring notch toughness.

Grade 6 – A specific grade under the A333 specification.

Pipe – A pressure-containing piping product normally specified by nominal pipe size and wall thickness/schedule.

Therefore, search terms such as:

  • A333 Grade Pipe
  • A333 Pipe
  • A333 Gr 6
  • A333 Grade 6 Pipe
  • A333 Gr 6 Pipe
  • ASTM A333 Grade 6 Pipe

can be addressed through one authoritative product page when the search intent is the same.

What Is ASTM A333 Grade 6 Pipe?

ASTM A333 Grade 6 Pipe is a steel pipe grade specified for low-temperature service and applications requiring notch toughness.

Grade 6 is commonly used where piping needs to maintain suitable toughness at lower temperatures. The applicable specification includes requirements relating to chemical composition, mechanical properties, impact testing, dimensions, and other quality requirements.

The final suitability of the material depends on the actual operating temperature, design conditions, fabrication method, and applicable engineering code.

Key Properties of A333 Grade 6 Pipe

A333 Grade 6 is commonly selected for low-temperature piping because of its combination of strength and notch toughness.

Important characteristics include:

  • Suitable for low-temperature service
  • Designed for applications requiring notch toughness
  • Available as seamless or welded pipe under the specification
  • Suitable for pressure-containing piping applications
  • Used in oil & gas and process industries
  • Used in cryogenic and low-temperature process applications where the specified grade is appropriate
  • Can be fabricated and welded using suitable procedures
  • Available in different nominal sizes and wall thicknesses
  • Subject to specified mechanical and impact-testing requirements

Actual performance depends on the material condition, temperature, pressure, fabrication, and project requirements.

Chemical Composition of A333 Grade 6

The chemical composition of A333 Grade 6 is controlled by ASTM A333/A333M.

The material chemistry includes elements such as:

  • Carbon
  • Manganese
  • Phosphorus
  • Sulfur
  • Silicon
  • Nickel, where applicable within the specified limits

For an actual purchase, exact chemical limits should be verified against the applicable ASTM specification and the supplied Material Test Certificate (MTC).

Avoid relying on generic online chemistry tables when preparing engineering or procurement documentation because specification editions and applicable product requirements should be checked.

Mechanical Properties of A333 Grade 6

A333 Grade 6 is designed to provide suitable mechanical performance for its intended low-temperature service.

Relevant properties include:

  • Tensile strength
  • Yield strength
  • Elongation
  • Impact toughness
  • Hardness, where applicable

Impact Testing

One of the important characteristics of ASTM A333 Grade 6 is its relationship to notch toughness and impact testing for low-temperature service.

Impact-testing requirements should be verified against the applicable ASTM specification, including the required test temperature and acceptance criteria.

This is particularly important when the pipe will operate at temperatures where brittle fracture resistance becomes a significant design consideration.

A333 Grade 6 Seamless Pipe

A333 Grade 6 Seamless Pipe is manufactured without a longitudinal welded seam.

Seamless construction can be selected when the engineering specification calls for seamless pipe and when the required dimensions and manufacturing conditions are available.

Potential applications include:

  • Low-temperature process piping
  • Oil & gas facilities
  • Petrochemical plants
  • Chemical processing
  • Refrigeration systems
  • Power-generation facilities
  • Gas processing
  • Industrial process systems

The correct manufacturing form should be selected according to the project specification.

A333 Grade 6 Welded Pipe

ASTM A333 also covers applicable welded pipe products.

A333 Grade 6 Welded Pipe can be considered where welded construction is permitted by the applicable specification and project requirements.

The purchaser should clearly specify:

  • Grade
  • Manufacturing method
  • Dimensions
  • Welding requirements
  • Testing requirements
  • Impact-testing requirements
  • Inspection requirements

Do not assume that seamless and welded products are interchangeable for every project. The engineering specification should determine the required product form.

Applications of A333 Grade 6 Pipe

1. Oil & Gas Industry
A333 Grade 6 can be considered for piping systems exposed to low operating temperatures in oil and gas facilities.

2. Petrochemical Plants
It may be used in selected process piping systems where low-temperature toughness is required.

3. Chemical Processing
The grade can be considered for appropriate low-temperature process applications.

4. Gas Processing
A333 Grade 6 is commonly associated with piping applications where low-temperature service conditions need to be addressed.

5. Refrigeration Systems
It may be suitable for selected low-temperature piping applications, subject to the actual service conditions and engineering requirements.

6. Power Generation
It can be used in suitable low-temperature piping systems where the applicable specification calls for the grade.

7. Industrial Process Piping
A333 Grade 6 can be considered for industrial piping systems where low-temperature toughness is an important material-selection requirement.

Why Choose Spark Steel for A333 Grade 6 Pipe?

Spark Steel provides steel and industrial piping solutions for project-based requirements.

For A333 Grade 6 Pipe, customers should provide complete technical information so the required material can be evaluated correctly.

The procurement process should confirm:

  • ASTM A333/A333M
  • Grade 6
  • Pipe dimensions
  • Seamless or welded construction
  • Impact-testing requirements
  • Inspection requirements
  • Material certification
  • Quantity
  • Delivery requirements

Clear technical specifications help reduce material-selection errors and support more reliable procurement.

Frequently Asked Questions About A333 Grade Pipe

A333 Grade 6 Pipe is a specific grade covered by ASTM A333/A333M and is commonly used for low-temperature service applications.

ASTM A333/A333M is a specification for seamless and welded steel pipe intended for low-temperature service and other applications requiring notch toughness.

It is commonly considered for low-temperature piping in oil & gas, petrochemical, chemical processing, gas processing, power and other industrial applications.

Grade 6 is generally classified as a carbon steel grade within the ASTM A333 specification.

A333 Grade 6 is intended for low-temperature service and notch toughness, while A106 Grade B is a seamless carbon-steel pipe specification commonly used for high-temperature service.

Yes. Welding can be performed using appropriate qualified procedures. The applicable welding and fabrication requirements should be determined for the project.

The pipe can be specified in various NPS sizes and wall thicknesses. Actual availability depends on the supplier and required specification.

It can be considered for certain low-temperature applications, but suitability depends on the actual minimum design temperature, impact-testing requirements, design code, and complete service conditions.

Ready to place an order?

We supply premium quality steel products for every industrial application. Call us or send an enquiry and our team will respond within 24 hours.

Send Enquiry Call Now

WhatsApp Chat