Why Buyers Pick Us for ASTM A106 Grade B Pipe
PED & CE Approved
Material paperwork ready for EU pressure equipment builds.
Trading Since 2007
Two decades of carbon pipe supply out of Mumbai.
In-House Finishing
Cutting, beveling and threading done before dispatch.
IBR on Request
Boiler-regulation certification arranged for Indian projects.
A106 Gr B Pipe Quick Snapshot
A106 Gr B Seamless Pipe Supplier in India With Custom Dimensions as Per ASME B36.10
PED approved, CE marked ASTM A106 Grade B seamless pipe. Cut in Mumbai for steam, hot oil and hydrocarbon lines.
Your ASTM A106 Grade B Pipe manufacturer in India. Silicon-killed seamless carbon steel pipe for high-temperature service. Hot finished pipe covers ASME B36.10 Sch 40 to XXS. Cold drawn pipe is heat treated at 650°C after drawing. Every heat ships with EN 10204 3.1 traceability. 3.2 witness inspection available with your nominated agency.
ASTM A106 Grade B Pipe Specification
Test, tolerance and compliance data that goes onto your purchase order, beyond the basics in the snapshot above.
A106 Gr B Pipes Mill Hydrostatic Test
Wall stressed to 60% of SMYS, held 5 s minimum
SA106 Gr B Seamless Pipe Mechanical Tests
Tension; flattening NPS 2-1/2 & up; cold bend NPS 2 & under
ASTM A106 Grade B Pipe Wall Tolerance
Not more than 12.5% under nominal at any point
A106 Grade B Seamless Pipe Weight Tolerance
+10% / −3.5% per length (NPS 12 & under)
A106 Gr B Sch 40 Pipe End Finish
Plain end up to NPS 1-1/2; beveled NPS 2 & up through XS
SA 106 Gr B Pipe Steelmaking Route
Killed steel from BOF, electric or open-hearth melt
ASME SA106 Gr B Pipe Code Acceptance
ASME B31.1, B31.3, B31.4, B31.8 & BPVC
Carbon Steel A106 Gr B Pipe EU Compliance
PED 2014/68/EU with CE marked supply
A106 Grade B IBR Pipe Approval
IBR certification for Indian boiler projects on request
UNS K03006 Pipe Sour Service Option
NACE MR0175 / ISO 15156 testing on request
A106 Gr B Pipe Coating Choices
Black varnish, FBE, 3LPE or hot-dip galvanized
Check Ready Stock of ASME SA106 Grade B Pipe in Sch 40, Sch 80 & XXS at Lowest Price
Your ASTM A106 Grade B Pipe stockist in Mumbai. We stock the three most ordered wall classes. Full line lists are priced, cut and packed same week. Need a wall thickness that sits between standard schedules? ASTM A106 permits other dimensions if all requirements are met. We source those non-standard wall thicknesses to order.
Sch 40 / STD
Ready stock, 1/2″ – 24″
Sch 80 / XS
Ready stock, 1/2″ – 24″
XXS
Ready stock, small & mid bore
Custom Wall
Sourced to your drawing
Get the Current A106 Gr B Pipe Price List for Sch 40, Sch 80 & XXS
Send sizes and tonnage and we reply with per-metre and per-tonne rates.
ASME SA106 Grade B Pipe Types
All forms are seamless, as A106 excludes welded pipe. Your ASTM A106 Grade B Pipe supplier in India.
ASTM A106 Gr B Seamless Pressure Pipe
- Hydro-tested length by length
- Suits steam & hot oil headers
- Heat number stenciled on body
SA106 Grade B Schedule 40 Round Pipe
- Most quoted wall class
- Beveled ends from NPS 2
- Random or cut lengths
ASME SA 106 Gr B Hot Finished Pipe
- Default route for NPS 2 & up
- No heat treatment needed as-rolled
- Heavy walls up to XXS
Cold Drawn A106 Gr B Small-Bore Pipe
- Offered up to NPS 1-1/2
- Heat treated ≥ 650°C after drawing
- Closer finish for instrument lines
A106 Gr B Epoxy Coated Pipe
- FBE layer for buried runs
- Holiday-tested coating
- Cutback left for welding
UNS K03006 Internally Coated Pipe
- Lined bore for water service
- Cuts internal scaling
- Coating spec on request
Carbon Steel A106 Black Pipe
- Mill varnish or bare finish
- Ready for site painting
- Lowest cost finish option
Galvanized A106 Grade B Pipe
- Hot-dip zinc coating
- For utility & outdoor racks
- Galvanized after cutting
High-Temperature A106 Grade B Line Pipe
- Plant headers & transfer lines
- Long double random lengths
- Matches A106 fittings & flanges
Mail your line list and schedule for a same-day ex-works Mumbai offer on A106 Gr B pipe.
Top search from South African plant & mining fabricators
ASTM A106 Grade B Pipe Dimensions & Weight Chart
Wall thickness and plain-end weight per ASME B36.10M. Your ASTM A106 Grade B Pipe stockist in India, ex-stock.
| NPS | OD (mm) | Sch 40 WT (mm) | Sch 40 (kg/m) | Sch 80 WT (mm) | Sch 80 (kg/m) | XXS WT (mm) | XXS (kg/m) |
|---|---|---|---|---|---|---|---|
| 1/2 | 21.3 | 2.77 | 1.27 | 3.73 | 1.62 | 7.47 | 2.55 |
| 3/4 | 26.7 | 2.87 | 1.69 | 3.91 | 2.20 | 7.82 | 3.64 |
| 1 | 33.4 | 3.38 | 2.50 | 4.55 | 3.24 | 9.09 | 5.45 |
| 1-1/4 | 42.2 | 3.56 | 3.39 | 4.85 | 4.47 | 9.70 | 7.77 |
| 1-1/2 | 48.3 | 3.68 | 4.05 | 5.08 | 5.41 | 10.15 | 9.55 |
| 2 | 60.3 | 3.91 | 5.44 | 5.54 | 7.48 | 11.07 | 13.44 |
| 2-1/2 | 73.0 | 5.16 | 8.63 | 7.01 | 11.41 | 14.02 | 20.39 |
| 3 | 88.9 | 5.49 | 11.29 | 7.62 | 15.27 | 15.24 | 27.68 |
| 4 | 114.3 | 6.02 | 16.07 | 8.56 | 22.32 | 17.12 | 41.03 |
| 6 | 168.3 | 7.11 | 28.26 | 10.97 | 42.56 | 21.95 | 79.22 |
| 8 | 219.1 | 8.18 | 42.55 | 12.70 | 64.64 | 22.23 | 107.93 |
| 10 | 273.0 | 9.27 | 60.29 | 15.09 | 95.98 | 25.40 | 155.10 |
| 12 | 323.8 | 10.31 | 79.71 | 17.48 | 132.05 | 25.40 | 186.92 |
How to Read A106 Grade B Pipe Marking
Every length carries a stencil. Here is what each part tells your inspector.
MILL / LOGO
Mill Name
Names the seamless producer. It must match the MTC.
ASTM A106 / ASME SA106
Specification
Dual marking shows the pipe meets both codes.
GR.B
Grade
Confirms Grade B, not Grade A or Grade C.
6″ / NPS 6
Size
Nominal pipe size, sometimes with OD in mm.
SCH 40 / STD
Wall Schedule
Wall class to ASME B36.10M.
SMLS
Process
Seamless. Some mills also add HF or CD.
HT 12345
Heat Number
Links each length to its MTC chemistry and tests.
HYDRO 1800 PSI / NDE
Test Mark
Shows hydrotest pressure, or NDE used instead.
ASTM A106 Grade B Pipe Manufacturer in Mumbai Since 2007
Hot finished lengths are cut, beveled and stenciled to match your line list.
A106 Grade B Seamless Pipe Mechanical Properties
ASTM A106 Table 2 tensile minimums, reported on every MTC.
415MPa min
Tensile Strength (60,000 psi)
240MPa min
Yield Strength (35,000 psi)
30% min
Elongation, Longitudinal (strip / full section)
16.5% min
Elongation, Transverse (strip)
A106 Grade B Pipe Physical & Thermal Properties
Typical carbon steel values used in stress, expansion and weight calculations.
7.85g/cm³
Density (0.284 lb/in³)
203GPa
Modulus of Elasticity (29.5 million psi)
11.7µm/m·°C
Thermal Expansion (20–100°C)
≈50W/m·K
Thermal Conductivity (at 20°C)
Typical design reference values. ASTM A106 does not set limits for these properties.
A106 Gr B Pipe Material Chemical Composition
Grade B heat analysis limits per ASTM A106 Table 1. Minimum silicon confirms killed steel, ideal for hot service.
Welding A106 Grade B Pipe
Controlled carbon and manganese make Grade B easy to weld. Use this before writing your WPS.
A106 Gr B ASME P-Number
P-No. 1, Group 1 under ASME Section IX
SA106 Gr B Pipe Filler Metals
E7018 / E7016 SMAW, ER70S-6 GTAW, E6010 root
A106 Grade B Carbon Equivalent
Many project specs cap CE (IIW) at 0.43
A106 Gr B Pipe Preheat Guide
10°C (50°F) min per B31.3; more for thick or cold work
SA 106 Gr B Pipe PWHT Trigger
Above 19 mm (3/4″) wall, 595–650°C per B31.3
Sour Service Weld Hardness
250 HV max in weld and HAZ per NACE MR0175
Top search from Kenyan water & pipeline buyers
A106 Grade B vs A53 Grade B vs API 5L Grade B
Similar strength, but only one suits seamless hot service. Compare them side by side before accepting a substitute.
A106 Gr B
ASTM A106 / ASME SA106
- Pipe makingSeamless only
- Min. yield240 MPa
- Min. tensile415 MPa
- Silicon rule0.10% min (killed steel)
- Built forHigh-temperature process & steam
A53 Gr B
ASTM A53 / ASME SA53
- Pipe makingSeamless (Type S) or ERW (Type E)
- Min. yield240 MPa
- Min. tensile415 MPa
- Silicon ruleNo minimum set
- Built forGeneral pressure, water & structural
API 5L Gr B
API 5L PSL1 (L245)
- Pipe makingSeamless or welded
- Min. yield245 MPa
- Min. tensile415 MPa
- Silicon ruleNo minimum set
- Built forOil, gas & water line pipe
A106 Grade B vs Grade C Pipe
Grade C gives higher strength. Grade B stays the everyday stock choice.
Grade B
ASTM A106 / ASME SA106 Gr B
- Min. tensile415 MPa (60 ksi)
- Min. yield240 MPa (35 ksi)
- Carbon max0.30%
- B31.3 stress to 400°F20.0 ksi
- WeldabilityEasier, lower carbon
- AvailabilityWidely stocked
Grade C
ASTM A106 / ASME SA106 Gr C
- Min. tensile485 MPa (70 ksi)
- Min. yield275 MPa (40 ksi)
- Carbon max0.35%
- B31.3 stress to 400°F23.3 ksi
- WeldabilityCloser preheat control
- AvailabilityMostly made to order
Grade A (330 MPa tensile, 205 MPa yield) is rarely stocked. ASTM suggests it for close coiling and cold bending.
Multi-Certified A106 Grade B Pipe
One heat and one MTC meeting several standards together. It simplifies mixed line lists.
ASTM
A106 Grade B
ASME
SA106 Grade B
ASTM
A53 Grade B (Type S)
ASME
SA53 Grade B
API
5L Grade B PSL1
API
5L X42 PSL1 (on request)
A106 Grade B Seamless Pipe Stockist in Mumbai Serving Pune Since 2007
Pick common schedules straight off the rack and skip the mill queue.
A106 Grade B Pipe Equivalent Grades
International equivalents for seamless high-temperature carbon steel pipe
UNS
K03006
ASME
SA106 Grade B
EN 10216-2
P265GH (nearest)
DIN 17175
St 45.8 / 1.0405
JIS G3456
STPT410
KS D3570
SPHT42
Top search from UAE oil & gas EPC buyers
A106 Gr B Pipe Pressure Rating & Hydrostatic Test
Grade B hydrotest pressures per A106 gr B pipe held 5 seconds minimum. This is a proof test, not design working pressure.
Top search from Canadian process-piping designers
A106 Grade B Pipe Allowable Stress vs Temperature
How ASME B31.3 Table A-1 treats A106 Grade B as metal temperature rises. Seamless A106 takes a longitudinal joint factor E of 1.0.
Up to 400°F (204°C)
20.0 ksi (137.9 MPa), held flat; set by one-third of 60 ksi tensile
400–700°F (204–371°C)
Falls steadily; governed by two-thirds of yield at temperature
Above 700°F (371°C)
Creep controls; values drop sharply
Above 800°F (427°C)
Graphitization risk in long service
A106 Grade B Pipe Working Pressure Chart
Calculated MAWP per ASME B31.3, up to 400°F (204°C). Hydrotest values above are not working pressures.
Indicative values. Deduct corrosion allowance and thread depth. Final design rests with your piping engineer.
A106 Grade B Pipe Minimum & Maximum Temperature
Check the service window before you specify. Low-temperature lines need a different grade.
Lowest temp without impact test
−29°C (−20°F), B31.3 Curve B
Colder than −29°C
Charpy impact testing needed
Long-term upper range
Up to 427°C (800°F)
Low-temperature alternative
ASTM A333 Grade 6 (−45°C)
Carbon Steel A106 Gr B Pipe Exporter in India to Jeddah & Dammam, Saudi Arabia
Bundles carry heat numbers so your inspector can match every pipe on arrival.
ASTM A106 Grade B Carbon Steel Pipe Applications
Services where seamless, silicon-killed pipe is specified for heat and pressure. As an ASTM A106 Grade B Pipe supplier in Mumbai, we match schedules to each of these duties.
Seamless Mills Behind Our A106 Gr B Stock
Mill-certified seamless pipe from established international and Indian producers.
Mill Makes Available on Request
Where It Ships
Cities & Countries Receiving Our SA106 Gr B Pipe
As an ASTM A106 Grade B Pipe exporter, we ship by container from Nhava Sheva and by road across India.
Buyer’s Point of View
What Drives A106 Gr B Pipe Price?
Six factors decide your per-tonne rate. Share them upfront for a faster, sharper quote.
Size & Schedule
Heavier walls·XXS premium
Mill Origin
Indian·Japanese·European
Certification
3.2·IBR·NACE add cost
Cutting & Ends
Cut lengths·Bevel·Thread
Coating
Varnish·FBE·3LPE·Galv
Order Quantity
Full bundles·Loose lengths
Delivery Estimate
Plan your A106 Gr B pipe arrival with these typical lead and transit windows.
- Loaded at our Mumbai yard
- Leaves within 24–48 hours
- Stock schedules only
- Sails from Nhava Sheva (JNPT)
- About 12–18 days to Gulf & East Africa
- Lowest cost per tonne
- For shutdown & breakdown needs
- Door delivery in 3–5 days
- Suits short lengths & small lots
- Worked out per discharge port
- Includes local clearance time
- Stated on your quotation
Buyer’s Point of View
A106 Gr B Pipe Receiving Inspection Checklist
Four quick checks when pipe reaches your site. Catch problems before fabrication starts.
- MTC heat number matches stencil
- EN 10204 3.1 signed by mill
- Tensile and hydro results recorded
- Spec and grade clearly legible
- Size and schedule match PO
- Heat number on every length
- Wall not below 87.5% of nominal
- OD within ASTM tolerance
- Lengths as ordered (SRL / DRL)
- 37.5° bevel per ASME B16.25
- End caps fitted on arrival
- No laps, cracks or deep pitting
ASME SA106 Gr B Pipe Supplier in Chennai With IBR & PED Documentation
Boiler-house buyers get inspection-ready papers with the very first truck.
SA 106 Gr B Pipe Buyer FAQs
Short answers to what procurement teams ask before raising an A106 Gr B order.
What is the yield strength of A106 Grade B pipe?
- 240 MPa (35,000 psi) minimum yield
- 415 MPa (60,000 psi) minimum tensile
- Both confirmed on the mill test certificate
How is A106 Grade B different from A53 Grade B?
- A106 is seamless only; A53 also covers ERW
- A106 needs 0.10% min silicon (killed steel)
- Same 240 MPa yield and 415 MPa tensile
What is the pressure rating of A106 Gr B Sch 40 pipe?
- Mill hydro test at 60% of SMYS on each length
- Example: NPS 4 Sch 40 tested at 2,200 psi
- Design pressure uses 20.0 ksi up to 400°F per B31.3
What is the equivalent of A106 Grade B?
- UNS K03006 and ASME SA106 Grade B
- EN 10216-2 P265GH as nearest European grade
- DIN St 45.8 (1.0405) and JIS STPT410
Do you supply PED, CE and IBR documented pipe?
- PED 2014/68/EU with CE marked supply
- IBR certification on request
- EN 10204 3.1 standard, 3.2 on request
What is your dispatch and delivery timeline?
- Ex-stock: 24–48 hours from Mumbai
- Sea freight: about 12–18 days to Gulf & East Africa
- Air freight: 3–5 days
