Carbon Steel

ASTM A53 Grade B Pipe

ASTM A53 Grade B Carbon Steel Seamless, ERW, and Galvanized Pipes & Tubes

Grade ASTM A53 Grade B / ASME SA 53 Grade B
Standard ASTM A53, ASME SA 53, API 5L, ASME B36.10M, DIN 1626, DIN 1629, JIS G3452, JIS G3454
Stock Available
Home › Raw Material › Carbon Steel › ASTM A53 Grade B Pipe

Product Overview

Om Export India Pvt Ltd is a premier manufacturer, stockist, and global supplier of high-grade ASTM A53 Grade B Carbon Steel Pipes. Built to withstand both structural pressure and fluid conveyance environments, ASTM A53 Grade B is engineered for superior weldability, formability, flanging, and bending. Our product range includes ASTM A53 Grade B Seamless Pipes (Type S), Electric Resistance Welded Pipes (Type E / ERW), and Furnace-Butt Welded Pipes (Type F), fully certified and available in standard or customized dimensions.

With a guaranteed minimum tensile strength of 60,000 psi (415 MPa) and minimum yield strength of 35,000 psi (240 MPa), our SA 53 Grade B pipes perform reliably across oil refining, petrochemical processing, boiler manufacturing, natural gas transmission, marine offshore systems, and general high-pressure engineering operations.

Key Features

  • High Mechanical Integrity: Delivers minimum yield strength of 35,000 psi and tensile strength of 60,000 psi for reliable high-pressure service.
  • Superior Workability: Well suited for cold bending, hot forming, flanging, and close coiling applications.
  • Multiple Manufacturing Variants: Available in Type S (Seamless), Type E (Electric Resistance Welded), and Type F (Furnace Welded).
  • Comprehensive Surface Protection: Available with Hot-Dip Galvanization, FBE, 3LPE, 3LPP, Liquid Epoxy, and Anti-Corrosion Varnish coatings.
  • Extensive Schedule Range: Full thickness coverage from light wall SCH 10 up to heavy wall SCH XXS.
  • Standardized Tolerances: Manufactured strictly conforming to ASME B36.10M dimensional tolerances.

Product Specifications

Parameter Standard Specification
Material Grade ASTM A53 Grade B / ASME SA 53 Grade B
Nominal Size Range 1/2" NB to 48" NB (Seamless: 1/2" to 26", ERW: 1/2" to 30", SAW/DSAW: up to 144")
Schedules / Wall Thickness SCH 10, SCH 20, SCH 30, SCH STD, SCH 40, SCH 60, SCH XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, SCH XXS (1.65 mm to 60.0 mm)
Manufacturing Types Type S (Seamless), Type E (Electric Resistance Welded - ERW), Type F (Furnace Welded)
Standard Lengths Single Random (5-7m), Double Random (10-12m), Custom Cut Lengths up to 18m
End Finishes Plain End (PE), Beveled End (BE), Threaded & Coupled (T&C), Screwed
Protective Surface Finishes Bare, Black Oil/Varnish, Anti-Rust Oil, Hot-Dip Galvanized (HDG), 3LPE, 3LPP, FBE, Dual FBE, Concrete Coating
Testing & Compliance Hydrostatic Testing (up to 3000 psi), Ultrasonic (UT), Eddy Current, Flattening, Flaring, NABL Approved MTR
Certification EN 10204 Type 3.1 / 3.2, NACE MR0175 / ISO 15156, IBR Approved

Dimensions & Sizes

NPS (Inches) DN (mm) Outside Diameter (mm) Schedule Wall Thickness (mm) Nominal Weight (kg/m)
1/2" 15 21.3 SCH 40 (STD) 2.77 1.27
1/2" 15 21.3 SCH 80 (XS) 3.73 1.62
1/2" 15 21.3 SCH 160 4.78 1.95
1/2" 15 21.3 SCH XXS 7.47 2.55
3/4" 20 26.7 SCH 40 (STD) 2.87 1.69
3/4" 20 26.7 SCH 80 (XS) 3.91 2.20
3/4" 20 26.7 SCH 160 5.56 2.90
3/4" 20 26.7 SCH XXS 7.82 3.64
1" 25 33.4 SCH 40 (STD) 3.38 2.50
1" 25 33.4 SCH 80 (XS) 4.55 3.24
1" 25 33.4 SCH 160 6.35 4.24
1" 25 33.4 SCH XXS 9.09 5.45
1-1/2" 40 48.3 SCH 40 (STD) 3.68 4.05
1-1/2" 40 48.3 SCH 80 (XS) 5.08 5.42
1-1/2" 40 48.3 SCH XXS 10.15 9.55
2" 50 60.3 SCH 40 (STD) 3.91 5.44
2" 50 60.3 SCH 80 (XS) 5.54 7.48
2" 50 60.3 SCH 160 8.74 11.12
3" 80 88.9 SCH 40 (STD) 5.49 11.30
3" 80 88.9 SCH 80 (XS) 7.62 15.28
3" 80 88.9 SCH 160 11.13 21.35
4" 100 114.3 SCH 40 (STD) 6.02 16.07
4" 100 114.3 SCH 80 (XS) 8.56 22.33
4" 100 114.3 SCH 120 11.13 28.33
4" 100 114.3 SCH 160 13.49 33.55
4" 100 114.3 SCH XXS 17.12 41.04

Chemical Composition

Grade / Type C (max %) Mn (%) P (max %) S (max %) Cu (max %) Ni (max %) Cr (max %) Mo (max %) V (max %)
Type S (Grade A) 0.25 0.95 0.050 0.045 0.40 0.40 0.40 0.15 0.08
Type S (Grade B) 0.30 1.20 0.050 0.045 0.40 0.40 0.40 0.15 0.08
Type E (Grade A) 0.25 0.95 0.050 0.045 0.40 0.40 0.40 0.15 0.08
Type E (Grade B) 0.30 1.20 0.050 0.045 0.40 0.40 0.40 0.15 0.08
Type F (Grade A) 0.30 1.20 0.050 0.045 0.40 0.40 0.40 0.15 0.08

Mechanical Properties

Property ASTM A53 Grade A ASTM A53 Grade B
Tensile Strength, min. 48,000 psi (330 MPa) 60,000 psi (415 MPa)
Yield Strength, min. 30,000 psi (205 MPa) 35,000 psi (240 MPa)
Elongation in 2 in. (50mm), min. Standard tension test equation Standard tension test equation (~20% to 30%)
Bending Test (Normal Uses) 90° bend around mandrel (12x pipe dia) 90° bend around mandrel (12x pipe dia)
Bending Test (Close Coiling) 180° bend around mandrel (8x pipe dia) 180° bend around mandrel (8x pipe dia)
Hydrostatic Test Pressure Standard inspection up to 2,500 psi Standard inspection up to 3,000 psi (20.7 MPa)

Standards & Specifications

  • ASTM A53 / A53M: Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless.
  • ASME SA 53: Boiler and Pressure Vessel Code Specification for carbon steel line pipes.
  • ASME B36.10M: Welded and Seamless Wrought Steel Pipe dimensional guidelines.
  • API 5L: Specification for Line Pipe in oil and natural gas transportation industries.
  • ISO 21809 / DIN 30670: External Polyethylene (3LPE) and anti-corrosive multi-layer protective coating standards.
  • EN 10204: Inspection documents for metallic products (Type 3.1 & 3.2).

Applications

ASTM A53 Grade B Carbon Steel Pipes are deployed across key industrial applications due to their balance of high tensile capacity, pressure containment, and anti-corrosive coating options:

  • Oil & Gas Exploration and Transportation: Upstream gathering lines, intermediate process piping, refinery transfer networks, and low-to-medium pressure hydrocarbon distribution.
  • Thermal, Nuclear & Captive Power Plants: Boiler feed lines, steam distribution lines, condensate transfer, and turbine cooling circulation systems.
  • Petrochemical & Chemical Refining: Transfer pipelines for processing gases, chemicals, and industrial fluids under controlled thermal environments.
  • Water Treatment & Municipal Lines: Water supply piping, high-pressure slurry transportation, sewage mains, and deep well casings.
  • Structural Engineering & Mechanical Equipment: Heavy construction pilings, structural columns, greenhouse steel scaffolding, air compressor systems, and mining framework.

Frequently Asked Questions

Q1: What is the main difference between ASTM A53 Grade A and ASTM A53 Grade B?
ASTM A53 Grade B contains a higher carbon and manganese composition than Grade A, resulting in higher yield strength (35,000 psi vs 30,000 psi) and tensile strength (60,000 psi vs 48,000 psi), making Grade B the industry choice for structural and pressure piping.

Q2: What do Type S, Type E, and Type F indicate in ASTM A53 pipes?
Type S indicates Seamless pipe manufactured via hot-working and cold-finishing; Type E represents Electric Resistance Welded (ERW) pipe with a longitudinally welded seam; Type F designates furnace-butt welded, continuous-welded pipe.

Q3: Can ASTM A53 Grade B pipe be galvanized?
Yes. ASTM A53 Grade B pipes are frequently hot-dip galvanized internally and externally with high-purity zinc coatings to prevent oxidation, extend longevity, and protect against corrosive marine or underground conditions.

Q4: Is ASTM A53 Grade B pipe interchangeable with ASTM A106 Grade B?
While both grades share similar chemical and mechanical profiles, ASTM A106 is exclusively seamless and engineered specifically for high-temperature service, whereas ASTM A53 encompasses seamless, ERW, and galvanized pipes optimized for general pressure and mechanical applications.

Related Products

ASTM A106 Grade B Pipe

View Product
← ASTM A106 Grade B Pipe

Looking For Reliable Industrial Material Supply?

Contact OM Export India for pricing, technical support, stock availability and export enquiries.

Request Quote Call Now
×

Download Company Profile