ASTM A691 Gr 11 Welded Pipe and A691 Cm70 EFW Electric Fusion Welded Pipe supplier in India
The ASTM A691 material is used for making pipes that can withstand high-temperature applications. The ASTM A691 Pipes is most popularly found in firefighting applications, HVAC, hydro-carbon processes, plumbing, etc. The ASTM A691 Pipes can also be found in the sewage system, water wells, and oil and gas industries. Suppliers of A691 Pipes have confirmed that these pipes can widely be used for many businesses, and hence it has a huge demand in a wide range of industries. When the customers purchase ASTM A691 Gr 11 Welded Pipes from us, they can be assured about the quality and the affordability. We offer ASTM A691 Gr.91 EFW Pipes at the most competitive price in the market.
The ASTM A691 9cr ERW Tube comes with a wide range of mechanical properties, which is the primary reason behind its popularity. It is hard, durable, possesses hot hardness, resistant to wear and our ASTM A691 5cr Welding Galvanized Pipes comes with improved quality. The addition of carbon, molybdenum, silicon, vanadium, etc., in the alloy of the ASTM A691 1 1/4cr Cl22 Spiral Welded Pipes helps in improving its overall mechanical properties.
We have a well-maintained stock of ASTM A691m EFW Welding Pipes in different shapes and sizes. On request, we offer full customization of the ASTM A691 Gr.5cr Cl22 EFW Steel Pipes, depending on requirements. Clients who are confused about the material or size of the pipes best fitted for them can contact us; we have experienced professionals to guide you.
We always follow the industrial standards while manufacturing the ASTM A691 Cm70 EFW Electric Fusion Welded Pipes. They are all available in different grades, and each grade comes with a specific use. The ASTM A691 Class 22 EFW Saw Pipes is great for high-pressure applications too. Some ASTM A691 Class 42 Welded Steel Pipes grades can also be used in a highly corrosive environment.
We conduct several tests on ASTM A691-91 Welded Steel Tube to check them for different parameters. Our products like the ASTM A691 Grade 2.1/4cr Electric Fusion Welded Pipes are supplied throughout the country and worldwide. The welding process in the A691 Fusion Welded Pipes makes them stronger.
We also use the latest technologies to manufacture the ASTM A691 11/4cr Cl22 EFW Pipes, making them dimensionally accurate. We also offer fast and doorstep delivery of our products like the ASTM A691 EFW Straight Welded pipes.

Table of contents
- ASTM A691 Pipe Specifications
- A691 Pipe Manufacturing Types
- ASTM A691 Pipe Price in India
- ASTM A691 Gr 11 Pipe Types
- ASTM A691 Gr.91 Seamless Pipe Types
- ASTM A691m ERW Pipe Types
- ASTM A691 Gr.5cr Cl22 Pipe for sale
- A691 Pipe Tolerances
- ASTM A691 Pipe Thickness Chart
- A691 Pipe Dimensions Chart
- ASTM A691 Gr.91 Pipe Weight Chart
- A691 Equivalent Material
ASTM A691 Gr.91 EFW Pipe and A691 9cr ERW Tube in Beveled Ends (BE), Plain Ends (PE), & Threaded Ends (TE)



ASTM A691 Pipe Specifications
Grade | ASTM A691 Pipe |
Size | 1/2 to 36 inch Nominal bore |
Thickness | 3-12mm |
Schedules | SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
Class Designation | Class 73, 32, 53, 51, 71, 10, 21, 63, 42, 70, 13, 41, 23, 31, 72, 60, 22, 40, 43, 50, 61, 52, 12, 33, 62, 11, 30, 20, 34 |
Tolerance | Cold drawn pipe: 0.1 mm Cold rolled pipe: 0.05 mm |
Type | Welded / Seamless / Fabricated / ERW / LSAW Pipes |
available in Form of | Round, Rectangular, Square, Hydraulic |
End | Beveled End, Plain End, Treaded |
Stockist & supplier of ASTM A691 5cr Welding Galvanized Pipe and A691 1 1/4cr Cl22 Spiral Welded Pipe in Single & Double random length
Buy ASTM A691 Pipe in Singapore, UAE, Korea, Nigeria, USA, Malaysia, Vietnam, Germany, UK, Philippines, Qatar, Indonesia, Saudi Arabia, Australia at dealer price, ask for a free sample now!
A691 Pipe Manufacturing Types






Many Pipe wholesaler, stockholders, suppliers, exporters, distributors, stockist, dealers, traders, importers, retailer prefer to buy ASTM A691 material from Trident Steel and supply A691 Pipes in their own countries with higher margins, so buy directly from Trident Steel to save your cost, contact us for a free quote !!!
ASTM A691 Pipe Price in India

Price : $480.00 / Ton

Price : $815.00 / Ton

Price : $450.00 / Ton

Price : $550.00 / Ton

Price : $650.00 / Ton

Price : $500.00 / Ton
All Above Prices USD/ Ton | |||||||||||
Additional Price Factors | |||||||||||
Fix length Cost: 3% Extra | |||||||||||
Double Random ASTM A691 Pipe Length Cost : 3% Extra | |||||||||||
Inspection: EXTRA AS ACTUAL | |||||||||||
Minimum Order Quantity (MOQ): All small/ large quantity |
>> Click here to check complete Carbon Steel Pipe Price List
ASTM A691m EFW Welding Pipe and A691 Gr.5cr Cl22 EFW Steel Pipe for low and medium pressure applications
ASTM A691 Gr 11 Pipe Types





















ASTM A691 Gr.91 Seamless Pipe Types
ASTM A691 Class 22 EFW Saw Pipe and A691 Pipe supplier in Mumbai, check A691 Class 42, Grade 2.1/4cr, 11/4cr Cl22 Electric Fusion Welded Pipe price list & chemical composition



ASTM A691m ERW Pipe Types



ASTM A691 Gr.5cr Cl22 Pipe for sale
Schedule 40 A691 Seamless Pipes | A691 CDW Pipes |
1IN NB A691 Gr.91 Pipes SCH 80 | A691 Gr 11 SMLS Pipes |
A691 Gr.5cr Cl22 Ptfe Lined Pipes | 8" 29mm A691m Material |
A691 Cm70 10" Sch 160 Pipes | A691-91 Thick Wall Seamless Pipes |
Welded A691 Grade 2.1/4cr Cold Drawn Pipes | A691 11/4cr Cl22 Schedule 40 Pipes |
A691 Welded Pipes | 12" Sch 140 Seamless A691 Pipes |
A691 Gr 11 EFW Pipes | A691 Gr.91 ERW Pipes |
A691m Boiler Pipes | A691 Gr.5cr Cl22 12" 37mm WT Pipes |
12" sch 100 A691 Cm70 Seamless Pipes | A691-91 Sch 80 Pipes |
A691 Grade 2.1/4cr Hot Dip Galvanized Pipes | ASME B36.10 A691 11/4cr Cl22 Bevelled SMLS Pipes |
Cold Drawn A691 Seamless Pipes | 12" SCH. STD A691 Pipes SMLS BE |
Europe/ Japan/ USA make A691 Gr 11 Pipes | A691 Gr.91 Pipes, SCH 160, PL END |
A691m Seam Welded Pipes | SCH XS A691 Gr.5cr Cl22 Pipes |
Saudi Aramco Approved A691 Cm70 Pipes | A691-91 Lined Pipes |
SCHED 20 A691 Grade 2.1/4cr Boiler Seamless Pipes | Thick Wall A691 11/4cr Cl22 Pipes |
High Temperature A691 Pipes | ASME B36.10M 26” A691 Seamless Pipes, BE END |
A691 Gr 11 Beveled End PCRMO ipe | A691 Gr.91 Sch. 80 200 DN 36 Pipes |
A691m Fabricated Pipes | A691 Gr.5cr Cl22 Round Pipes |
A691 Cm70 Square Pipes | A691-91 Epoxy Lined Pipes |
A691 Pipe Tolerances
ASTM A691 Gr 11 Pipe OD tolerance
For ASTM A691 Gr 11 pipe over 10 inch as special OD tolerance pipe, the OD shall within vary +1% /-1%.
ASTM A691 Gr.91 Pipe Thickness tolerance
ASTM A691m Pipe Length tolerance
For ASTM A691 Gr.5cr Cl22 Seamless and Welded pipe, if definite cut lengths are ordered, the length shall vary within -0mm / +6mm.
ASTM A691 Cm70 Pipe Weight tolerance
- For ASTM A691 pipe NPS 12 (DN300, 323.8mm) and under, the weight should vary within -3.5% / +10%.
- For A691 pipe over NPS 12 (DN300, 323.8mm), the weight should vary within -5% / +10%.
- ASTM A691 Gr 11 Pipe of NPS 4 (DN100, 114.3mm) and smaller sizes may be weighed in convenient lots; ASTM A691 Gr.91 pipe in sizes larger than NPS 4 should be weighed separately.
ASTM A691-91 Pipe Quantity tolerance
Normally ASTM A691 Pipe manufacturers take -10% to +10% tolerance, but Trident Steel keeps ±3% variation.
ASTM A691 Pipe Thickness Chart

A691 Pipe Dimensions Chart
Standard-wall ASTM A691 Gr.91 Pipe Dimensions, and Nominal Wall Thickness
ASTM A691 Gr.91 Pipe Weight Chart
Nominal Dia | O.D. | SCH 10 A691 Pipe | SCH 30/40 ASTM A691 Gr 11 Pipe | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
W.T. | STANDARD WEIGHT | W.T. | STANDARD WEIGHT | ||||||||
(mm) | (INCH) | (mm) | (inch) | (mm) | (inch) | (kg/mtrs) | (lbs/ft) | (mm) | (inch) | (kg/mtrs) | (lbs/ft) |
15 | 1/2'' | 21.30 | 0.840 | - | - | - | - | 2.77 | 0.109 | 1.27 | 0.85 |
20 | 3/4'' | 26.70 | 1.050 | 2.11 | 0.083 | 1.28 | 0.96 | 2.87 | 0.113 | 1.69 | 1.13 |
25 | 1'' | 33.40 | 1.315 | 2.77 | 0.109 | 2.09 | 1.41 | 3.38 | 0.133 | 2.50 | 1.68 |
32 | 1.1/4'' | 42.20 | 1.660 | 2.77 | 0.109 | 2.69 | 1.81 | 3.56 | 0.140 | 3.39 | 2.27 |
40 | 1.1/2'' | 48.30 | 1.900 | 2.77 | 0.109 | 3.11 | 2.09 | 3.68 | 0.145 | 4.05 | 2.72 |
50 | 2'' | 60.30 | 2.375 | 2.77 | 0.109 | 3.93 | 2.64 | 3.91 | 0.154 | 5.45 | 3.66 |
65 | 2.1/2'' | 73.00 | 2.875 | 3.05 | 0.120 | 5.26 | 3.53 | 5.16 | 0.203 | 8.64 | 5.80 |
80 | 3'' | 88.90 | 3.500 | 3.05 | 0.120 | 6.46 | 4.34 | 5.49 | 0.216 | 11.29 | 7.58 |
90 | 3.1/2'' | 101.60 | 4.000 | 3.05 | 0.120 | 7.41 | 4.98 | 5.74 | 0.226 | 13.58 | 9.12 |
100 | 4'' | 114.30 | 4.500 | 3.05 | 0.120 | 8.37 | 5.62 | 6.02 | 0.237 | 16.09 | 10.80 |
125 | 5'' | 141.30 | 5.563 | 3.40 | 0.134 | 11.58 | 7.78 | 6.55 | 0.258 | 21.79 | 14.63 |
150 | 6'' | 168.30 | 6.625 | 3.40 | 0.134 | 13.85 | 9.30 | 7.11 | 0.280 | 28.29 | 18.99 |
200 | 8'' | 219.10 | 8.625 | 4.78 | 0.188 | 25.26 | 16.96 | 7.04 | 0.277 | 36.82 | 24.72 |
250 | 10'' | 273.10 | 10.750 | 4.78 | 0.188 | 31.62 | 21.23 | 7.08 | 0.307 | 51.05 | 34.27 |
A691 Equivalent Material
Pipe Grade | Type of Steel | ASTM Specification | HB, max | |
Number | Grade | |||
CM-65 | carbon-molybdenum steel | A204/A204M | A | 201 |
CM-70 | carbon-molybdenum steel | A204/A204M | B | 201 |
CM-75 | carbon-molybdenum steel | A204/A204M | C | 201 |
CMSH-70 | carbon-manganese-silicon steel, normalized | A537/A537M | 1 | |
CMS-75 | carbon-manganese-silicon steel | A299/A299M | — | — |
CMSH-80 | carbon-manganese-silicon steel, quenched and tempered | A537/A537M | 2 | |
1/2 CR | 1/2 % chromium, 1/2 % molybdenum steel | A387/A387M | 2 | 201 |
1 CR | 1 % chromium, 1/2 % molybdenum steel | A387/A387M | 12 | 201 |
1 1/4 CR | 1 1/4 % chromium, 1/2 % molybdenum steel | A387/A387M | 11 | 201 |
2 1/4 CR | 2 1/4 % chromium, 1 % molybdenum steel | A387/A387M | 22 | 201 |
3 CR | 3 % chromium, 1 % molybdenum steel | A387/A387M | 21 | 201 |
5 CR | 5 % chromium, 1/2 % molybdenum steel | A387/A387M | 5 | 225 |
9 CR | 9 % chromium, 1 % molybdenum steel | A387/A387M | 9 | 241 |
91 | 9 % chromium, 1 % molybdenum, vanadium, columbium | A387/A387M | 91 | 241 |
ASTM A691 Gr 11 Pipe Composition
1CR | 1-1/4CR | 2-1/4 CR | 5 CR | 9 CR | 91 | |
Carbon | 0.05-0.17 | 0.05-0.17 | 0.05-0.15 | 0.15 | 0.15 | 0.08-0.12 |
Manganese | 0.40-0.65 | 0.40-0.65 | 0.30-0.60 | 0.30-0.60 | 0.30-0.60 | 0.30-0.60 |
phosphorus | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.020 |
Sulfur | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.010 |
phosphorus | 0.15-0.40 | 0.50-0.80 | 0.50 | 0.50 | 1.00 | 0.20-0.50 |
Chromium | 0.80-1.15 | 1.00-1.50 | 2.00-2.50 | 4.00-6.00 | 8.00-10.00 | 8.00-9.50 |
Molybdenum | 0.45-0.60 | 0.45-0.65 | 0.90-1.10 | 0.45-0.65 | 0.90-1.10 | 0.85-1.05 |
Vanadium | – | – | – | – | 0.04 | 0.18-0.25 |
ASTM A691 11/4cr Cl22 Pipe Mechanical Properties
Class | Heat Treatment on Pipe Section see: | Radiography, see Section | Pressure Test, see : |
10 | none | none | none |
12 | none | 9 | 8.3 |
11 | none | 9 | none |
13 | none | none | 8.3 |
21 | stress relieved, see 6.3.1 | 9 | none |
21 | stress relieved, see 6.3.1 | none | none |
ASTM A691 Class 22 | stress relieved, see 6.3.1 | 9 | 8.3 |
31 | normalized, see 6.3.2 | none | none |
23 | stress relieved, see 6.3.1 | none | 8.3 | 31 | normalized, see 6.3.2 | 9 | none |
32 | normalized, see 6.3.2 | 9 | 8.3 |
33 | normalized, see 6.3.2 | none | 8.3 |
43 | normalized and tempered, see 6.3.3 | none | 8.3 |
43 | normalized and tempered, see 6.3.3 | 9 | none |
40 | normalized and tempered, see 6.3.3 | none | none |
43 | normalized and tempered, see 6.3.3 | 9 | 8.3 |
50 | quenched and tempered, see 6.3.4 | none | none |
51 | quenched and tempered, see 6.3.4 | 9 | none |
52 | quenched and tempered, see 6.3.4 | 9 | 8.3 |
53 | quenched and tempered, see 6.3.4 | none | 8.3 |
60 | normalized and precipitation heat none none treated | none | none |
61 | normalized and precipitation heat none none treated | 9 | none |
62 | normalized and precipitation heat none none treated | 9 | 8.3 |
63 | normalized and precipitation heat none none treated | none | 8.3 |
70 | normalized and precipitation heat none none treated | none | none |
71 | normalized and precipitation heat none none treated | 9 | none |
72 | normalized and precipitation heat none none treated | 9 | 8.3 |
73 | normalized and precipitation heat none none treated | none | 8.3 |
ASTM A691m Pipe Application
ASTM A691 Gr.5cr Cl22 Pipe Test Requirements

ASTM A691 Cm70 Pipe Different manufacturing processes

ASTM A691-91 Pipe Marking

Trident Steel also marks each bundle of ASTM A691 Pipe with plastic/ metal tags which includes:

ASTM A691 Grade 2.1/4cr Pipe Coating Types


