152.4x76.2x6.35mm  Steel rectangular hss ASTM A500 Grade B, Grade C

HSS 6 × 3 × ¼" (152.4 × 76.2 × 6.35 mm) ASTM A500 Grade B/C Rectangular HSS

152.4x76.2x6.35mm 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 20.709011 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:20.709 kg/m
Total length:6 meters
Total weight:124.254 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
Dimensions152.4mm × 76.2mm × 6.35mm
Weight per Meter20.709 kg/m
MaterialSteel
Alloy/GradeASTM A500 Grade B, C
StandardASTM A500/A500M
Standard Length6m
Designation (inch)HSS 6 × 3 × ¼
Weight (lb/ft)13.92 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)24.7 cm²
Second moment of area(Ix)706 cm⁴
Second moment of area(Iy)237 cm⁴
Radius of gyration(ix)5.35 cm
Radius of gyration(iy)3.10 cm
Elastic section modulus(Wel,x)92.7 cm³
Elastic section modulus(Wel,y)62.2 cm³
Plastic section modulus(Wpl,x)118 cm³
Plastic section modulus(Wpl,y)72.2 cm³
Torsional inertia constant(It)594 cm⁴
Torsional modulus constant(Ct)108 cm³
Surface area per metre(As)0.437 m²/m
Length per tonne48.3 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)29.2 kNm · 21.5 kip·ft778 kN · 175 kips
Grade C50 ksi (345 MPa)62 ksi (425 MPa)32.0 kNm · 23.6 kip·ft852 kN · 192 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: 150 × 75 × 6.3 mm →