Why Buyers Source ASTM A53 Grade B Pipe From Us
19+ Years in Carbon Pipe
Serving EPC contractors with A53 Gr B lines from Mumbai.
Heat-Traceable Stock
Each length links back to its mill heat number.
Port-Ready Packing
Bundled, strapped and end-capped for sea transit.
In-House Processing
Cutting, beveling and threading under one roof.
A53 Gr B Pipe Tech Snapshot
ASTM A53 Grade B Pipe Specification
ASTM A53 Grade B Pipe testing, tolerance and compliance points. Our Mumbai team confirms each one on the MTC
A53 Gr B Pipe Hydrostatic Test
Every length; pressure held 5 s min
SA53 Gr B Seamless Pipe Flattening Test
NPS 2 & larger, XS and lighter walls
ASTM A53 Type E Cold Bend Test
NPS 2 & under: 90° over 12× nominal-dia mandrel
A53B Pipe Wall Tolerance
Not more than 12.5% under nominal
ASME SA53 Weight Tolerance
±10% of specified weight per foot
A53 Grade B ERW Pipe OD Tolerance
±1/64″ up to NPS 1-1/2; ±1% for NPS 2 & up
Galvanized A53 Pipe Zinc Coating
1.8 oz/ft² (0.55 kg/m²) average, min
Carbon Steel A53 Gr B Random Lengths
SRL 16–22 ft; DRL 22 ft min, 35 ft avg
Sch 40 A53 Pipe End Finish
Plain, Beveled, Threaded & Coupled
CE / PED Approved A53 Pipe Compliance
PED 2014/68/EU with CE documentation
A53 Gr B Welded Pipe Cold Expansion
Limited to 1.5% of specified OD
UNS K03005 Pipe Marking
Mill name, kind of pipe, grade, size, length
CE Approved SA53 Gr B ERW Pipe Supplier in India With Different Dimensions & Weight
ASTM A53 / ASME SA-53 Grade B carbon steel pipe. Available in Type S seamless and Type E ERW. UNS K03005 stock in Mumbai for Indian and export projects.
As an ASTM A53 Grade B Pipe supplier in India, we provide CE and PED approved documentation for pressure-equipment buyers. Grade B gives minimum 240 MPa yield, 415 MPa tensile. It outperforms Grade A in water, steam, air and gas. Order black, hot-dipped galvanized or 3LPE / FBE coated lengths. Supplied in Sch 40, Sch 80 and other schedules. Each length ships with an EN 10204 3.1 certificate.
SA53 Gr B ERW Pipe Dimension
As an ASTM A53 Grade B Pipe stockist in India, we keep these sizes ready in Sch 40 and Sch 80. A53 pipe sizes follow ASME B36.10M dimensional standards. Wall thickness is nominal, weight is per metre, plain-end black.
| NPS | OD (mm) | Sch 40 WT (mm) | Sch 40 (kg/m) | Sch 80 WT (mm) | Sch 80 (kg/m) |
|---|---|---|---|---|---|
| 1/2″ | 21.3 | 2.77 | 1.27 | 3.73 | 1.62 |
| 3/4″ | 26.7 | 2.87 | 1.69 | 3.91 | 2.20 |
| 1″ | 33.4 | 3.38 | 2.50 | 4.55 | 3.24 |
| 1-1/4″ | 42.2 | 3.56 | 3.39 | 4.85 | 4.47 |
| 1-1/2″ | 48.3 | 3.68 | 4.05 | 5.08 | 5.41 |
| 2″ | 60.3 | 3.91 | 5.44 | 5.54 | 7.48 |
| 2-1/2″ | 73.0 | 5.16 | 8.63 | 7.01 | 11.41 |
| 3″ | 88.9 | 5.49 | 11.29 | 7.62 | 15.27 |
| 4″ | 114.3 | 6.02 | 16.07 | 8.56 | 22.32 |
| 5″ | 141.3 | 6.55 | 21.77 | 9.53 | 30.97 |
| 6″ | 168.3 | 7.11 | 28.26 | 10.97 | 42.56 |
| 8″ | 219.1 | 8.18 | 42.55 | 12.70 | 64.64 |
| 10″ | 273.0 | 9.27 | 60.29 | 15.09 | 95.97 |
Buy ASTM A53 Grade B Schedule 40 Pipe in Custom Sizes at Best Price in Mumbai
As an ASTM A53 Grade B Pipe manufacturer in India, we cut, bevel and thread Schedule 40 lengths ready to fit. Mumbai buyers get yard collection or truck delivery. Each bundle carries a heat-number tag for receiving checks.
Stock Walls
Sch 40 & Sch 80
Cut-to-Length
To your drawing
Price Basis
Per kg, metre or foot
Bundle Tagging
Heat number per bundle
Send size, schedule and quantity to receive a delivered-to-site rate on A53 Gr B pipe.
ASTM A53 Gr B Pipe Yield Strength & Mechanical Properties
Minimum tensile requirements for Grade B, identical for seamless (Type S) and ERW (Type E) pipe.
415MPa min
Tensile Strength (60,000 psi)
240MPa min
Yield Strength (35,000 psi)
30% min
Elongation in 50 mm (specimen ≥ 500 mm²)
8NPS & up
Transverse Tensile Test on ERW Pipe
ASTM A53 Grade B Pipe Manufacturer in Mumbai Since 2007
Our Mumbai unit sizes, bevels and threads every length before packing.
A53 Gr B Carbon Steel Pipe Types in Stock
Being an ASTM A53 Grade B Pipe stockist in Mumbai, we hold all these pipe types ready in our yard.
ASTM A53 Gr B Seamless Pipe
- Type S, no weld seam
- Preferred for heavy walls
- Hot-finished or cold-drawn
SA53 Gr B ERW Pipe
- Type E electric-resistance weld
- Seam heat treated after welding
- Economical in larger sizes
A53B Hot-Dipped Galvanized Pipe
- Zinc coated inside & outside
- Water and utility lines
- Threadable after coating
ASME SA53 Grade B Black Pipe
- Bare or varnished surface
- Ready for site welding
- Most-ordered finish
A53 Type E Grade B Threaded & Coupled Pipe
- Tapered pipe threads
- Coupling fitted handling-tight
- Screwed service lines
Carbon Steel A53 Gr B Beveled End Pipe
- Weld-prep ends
- Butt-weld pipeline joints
- Machined in our workshop
FBE / 3LPE Coated A53 Grade B Pipe
- External anti-corrosion layer
- Buried water & gas runs
- Coated to owner spec
Schedule 80 A53 Gr B Pipe
- XS heavy wall
- Higher pressure headers
- Seamless or ERW
UNS K03005 Large Diameter Pipe
- Up to NPS 26 (660 mm OD)
- Mains and structural use
- Mill orders on request
SA53 Gr B Seamless Pipe Chemical Composition
Maximum heat-analysis limits for Grade B, the same for Type S seamless and Type E ERW pipe under ASTM A53.
ASTM A53 Grade B vs A106 Gr B Welded Pipe
The question Canadian and UAE project buyers raise most before issuing a PO. Strength is the same; the service limits are not.
A53 Gr B
General pressure & mechanical service
- ManufactureSeamless or ERW
- SiliconNo minimum
- Phosphorus / Sulfur0.05 / 0.045% max
- Yield / Tensile240 / 415 MPa
- Typical DutyWater, steam, air, gas
VS
A106 Gr B
High-temperature service
- ManufactureSeamless only
- Silicon0.10% min
- Phosphorus / Sulfur0.035 / 0.035% max
- Yield / Tensile240 / 415 MPa
- Typical DutyPower & refinery heat lines
A53 Gr B Carbon Steel Pipe Stockist for Pune Buyers, Backed by 19 Years of Yard Inventory
Pick Sch 40 or Sch 80 lengths from ready stock and receive them within days.
Equivalent Grades for ASTM A53 GR B Seamless Pipe
UNS and ASME designations are direct matches. The JIS, API, ISO and A106 grades are the nearest comparable options, not automatic substitutes.
US
UNS
K03005
US
ASME (identical)
SA-53 Grade B
JP
JIS G3454 (nearest)
STPG 410
US
API 5L (alternate)
Grade B PSL1
ISO
ISO 3183 (alternate)
L245
US
ASTM (alternate)
A106 Grade B
A53 Gr B ERW Pipe Surface Finishes
The surface buyers specify changes with the job. Here is what we ship most to each market.
ZASouth Africa
Black Pipe for Mine Service Water
Varnished black lengths, beveled for welded plant headers.
KEKenya
Galvanized Pipe for Borehole & Irrigation
Hot-dip zinc on both surfaces slows rusting in raw water.
AEUAE
3LPE / FBE Pipe for Buried Utilities
External coating applied to the owner’s spec before dispatch.
CACanada
Threaded & Coupled Pipe for Building Services
Threaded ends with couplings fitted, ready to install on site.
ASTM A53 Gr B Black Pipe Applications Across Industries
Grade B suits mechanical and pressure duty, plus ordinary steam, water, gas and air lines.
SA 53 Gr B Schedule 40 Pipe Exporter in India to Durban, South Africa
Export bundles carry steel strapping, end caps and heat-number tags for quick port checks.
Schedule 40 SA53 GRB Pipe for NFPA 13 Fire Sprinkler Lines
Sprinkler contractors in the UAE and Canada buy A53 pipe because NFPA 13 names it as an accepted steel pipe standard.
Code Recognition
ASTM A53 listed in NFPA 13
Threaded Systems
Sch 40 wall
Grooved / Welded Systems
Sch 10 permitted up to 5″ within NFPA 13 limits
Finish
Black or hot-dip galvanized
UL / FM Listing
Mill-specific — confirm per order
Submittal Pack
MTC + hydro test record
A53 Grade B Pipe HS Code for Customs Clearance
Importers in South Africa and Kenya ask for the tariff line before shipment. As an ASTM A53 Grade B Pipe exporter, we mention the correct HS code on every invoice. The 6-digit code depends on how the pipe is made and its OD.
Seamless line pipe (oil / gas)
7304.19
Seamless, cold-drawn
7304.31
Seamless, hot-finished
7304.39
Welded line pipe, OD ≤ 406.4 mm
7306.19
ERW / galvanized, OD ≤ 406.4 mm
7306.30
Longitudinally welded, OD > 406.4 mm
7305.31
ASTM A53 Grade B Pipe Price per Kg & Price List Factors
Six things that move your A53 Gr B price list rate, whether you buy per kg, per metre or per foot.
Steel Input Cost
Coil & billet rates • Weekly movement
Seamless or ERW
Type S costs more • Type E saves
Schedule & OD
Sch 80 adds weight • Odd sizes cost more
Surface Finish
Galvanizing, 3LPE • Priced per tonne
Ends & Lengths
Threading, DRL • Fixed-length cuts
Tonnage & Port
Bulk discounts • Freight to destination
Mumbai Dispatch Lanes for A53 Gr B Pipe Across India
As an ASTM A53 Grade B Pipe stockist in Mumbai, we truck stock lengths to these hubs, plus Ghaziabad and the wider Gujarat belt.
Ahmedabad
Process plant piping
Rajkot
Engineering workshops
Pune
Auto & OEM plant lines
Nagpur
Power & mining projects
Bengaluru
Fire & HVAC contractors
Chennai
Port & utility projects
Delhi NCR
Building services & EPC
Kolkata
Eastern industrial belt
Delivery Estimate
As an ASTM A53 Grade B Pipe supplier in Mumbai, we share these dispatch and transit windows so you can plan your site schedule.
- Loaded from our Mumbai yard
- Stock sizes leave in 24–48 hours
- Mill orders get a firm date
- Gulf & African ports: 12–18 days
- Container or break-bulk loading
- Lowest cost per tonne
- Short urgent lengths only
- Arrives in 3–5 days
- Billed on chargeable weight
- Set by port of discharge
- Clearance time counted separately
- Written ETA with each quote
ASME SA-53 Grade B Supplier in Chennai With PED & CE Compliance
Compliance papers travel with the invoice, so site approvals move faster.
Mills Behind Our A53 Grade B Pipe Inventory
Seamless and ERW lengths drawn from established carbon steel pipe producers, each with mill heat traceability.
Carbon Steel Pipe Mills We Source From
Export Reach
Countries Receiving Our A53 Gr B Welded & Seamless Pipe
As an ASTM A53 Grade B Pipe exporter, we ship from Nhava Sheva to project sites across five regions.
AEDubai & Abu Dhabi, UAE
TRIstanbul, Turkey
UGKampala, Uganda
KENairobi & Mombasa, Kenya
DEGermany
ITItaly
NLNetherlands
CACanada
MXMexico
VEVenezuela
MYMalaysia
THThailand
IDIndonesia
PHPhilippines
VNVietnam
Buyer FAQs on ASME SA 53 Grade B Pipe
Straight answers to the questions that come up before an A53 Gr B order is placed.
What is the yield strength of ASTM A53 Grade B pipe?
- Yield: 240 MPa (35,000 psi) min
- Tensile: 415 MPa (60,000 psi) min
- Same for seamless and ERW
What sizes and schedules are covered?
- NPS 1/8″ to 26″ (OD 10.3 – 660 mm)
- Sch 10 to Sch 160, STD / XS / XXS
- Dimensions per ASME B36.10M
How do I calculate A53 Grade B pipe weight?
- (OD − WT) × WT × 0.02466 = kg/m
- Example: 2″ Sch 40 = 5.44 kg/m
- Mill weight tolerance is ±10%
Can ASTM A53 Grade B replace A106 Grade B?
- Same 240 / 415 MPa strength
- A106 is seamless-only, for high temperature
- Swap only with engineer approval
Do you supply CE and PED approved A53 Gr B pipe?
- Yes, with PED 2014/68/EU documentation
- EN 10204 3.1 MTC with every order
- 3.2 certificate on request
What decides the ASTM A53 Grade B pipe price?
- Seamless or ERW, size and schedule
- Finish, ends and order tonnage
- Destination port and freight
