355.6x254x6.35mm  Steel rectangular hss ASTM A500 Grade B, Grade C

HSS 14 × 10 × ¼" (355.6 × 254 × 6.35 mm) ASTM A500 Grade B/C Rectangular HSS

355.6x254x6.35mm Steel rectangular hss in ASTM A500 Grade B, Grade C to ASTM A500/A500M, with an uncoated steel surface suitable for further processing or painting. Nominal weight 58.692806 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: 10 t per size (from 5 t if the size is in production)

Weight per meter:58.693 kg/m
Total length:6 meters
Total weight:352.157 kg

Applications & Usage

This extra heavy-duty industrial Steel rectangular hss is commonly specified for heavy structural supports, load-bearing frames, and demanding industrial applications. The 6.35mm 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
Dimensions355.6mm × 254mm × 6.35mm
Weight per Meter58.693 kg/m
MaterialSteel
Alloy/GradeASTM A500 Grade B, C
StandardASTM A500/A500M
Standard Length6m
Designation (inch)HSS 14 × 10 × ¼
Weight (lb/ft)39.44 lb/ft
Internal Weld RemovalAvailable on request
Minimum Order per Size10 t
Cut-to-Length Range4000 – 12000 mm

Section Properties

Calculated with the AISC design wall thickness (0.93 × nominal); mass and length per tonne use the nominal wall.

PropertyValue
Cross-sectional area(A)69.7 cm²
Second moment of area(Ix)12891 cm⁴
Second moment of area(Iy)7720 cm⁴
Radius of gyration(ix)13.6 cm
Radius of gyration(iy)10.5 cm
Elastic section modulus(Wel,x)725 cm³
Elastic section modulus(Wel,y)608 cm³
Plastic section modulus(Wpl,x)858 cm³
Plastic section modulus(Wpl,y)683 cm³
Torsional inertia constant(It)15048 cm⁴
Torsional modulus constant(Ct)985 cm³
Surface area per metre(As)1.20 m²/m
Length per tonne17.0 m

Grade strength and capacity

Minimum strength of each grade this size is rolled in, with the indicative capacity calculated on the AISC design wall (0.93 × nominal).

GradeMin. yieldTensileBending Wel·fyAxial A·fy
Grade B46 ksi (315 MPa)58 ksi (400 MPa)228 kNm · 168 kip·ft2196 kN · 494 kips
Grade C50 ksi (345 MPa)62 ksi (425 MPa)250 kNm · 184 kip·ft2405 kN · 541 kips

Indicative values from nominal dimensions: Wel × fy and A × fy, without buckling, cross-section class or partial safety factors. Not a design check.

Nearest metric size to EN 10219: 350 × 250 × 6.3 mm →