323.8x7.14mm  Steel water & gas pipe ASTM A53 Grade A

Ø323.8×7.14 mm (NPS 12" DN 300) ASTM A53 Steel Pipe

323.8x7.14mm Steel water & gas pipe in ASTM A53 Grade A to ASTM A53/A53M, with an uncoated steel surface suitable for further processing or painting. Nominal weight 55.758478 kg/m.

Minimum order

Minimum 10 t per size. If the size is already in the current production cycle, we can accept orders from 5 t. Standard length 6 m; 4–12 m on request. We confirm the minimum, lead time and grade in your quote.

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Minimum order: 15 pieces

Minimum order: 10 t per size (from 5 t if the size is in production)

Weight per meter:55.758 kg/m
Total length:6 meters
Total weight:334.551 kg

Applications & Usage

This extra heavy-duty industrial Steel water & gas pipe is commonly specified for heavy structural supports, load-bearing frames, and demanding industrial applications. The 7.14mm wall thickness provides exceptional structural integrity while maintaining workability. The natural mill finish provides a cost-effective solution for applications where aesthetics are secondary. Available in standard lengths of 6m, this profile can be easily cut, drilled, and welded to suit your specific requirements.

Technical Specifications

SpecificationValue
DimensionsØ 323.8mm × 7.14mm wall
Weight per Meter55.758 kg/m
MaterialSteel
Alloy/GradeASTM A53 Grade A
StandardASTM A53/A53M
Standard Length6m
Nominal Size (NPS / DN)NPS 12" / DN 300
OD × Wall (inch)12.750 × 0.281 in
Weight (lb/ft)37.46 lb/ft
Hydrostatic Test Pressure790 psi (5.4 MPa)
Minimum Order per Size10 t
Cut-to-Length Range4000 – 12000 mm

Section Properties

Nominal values calculated from nominal dimensions.

PropertyValue
Cross-sectional area(A)71.0 cm²
Second moment of area(I)8908 cm⁴
Radius of gyration(i)11.2 cm
Elastic section modulus(Wel)550 cm³
Plastic section modulus(Wpl)716 cm³
Torsional inertia constant(It)17815 cm⁴
Torsional modulus constant(Ct)1100 cm³
Surface area per metre(As)1.02 m²/m
Length per tonne17.9 m