Geometric estimates exclude rolling tolerances, coatings and process losses; hollow and rolled-section references include their own section-table basis. Calculated bar weights use unrounded mass. Values are not measured shipment weights. Confirm length, grade, manufacturing route, packing and supply in the offer; the existing image illustrates the product family.
EMRA Steel supports sourcing enquiries for Square hollow sections. Review product dimensions, grades, standards and inspection requirements before requesting a quotation. Confirm quantity, delivery destination and the required schedule with our sales team.
Square hollow sections have equal side dimensions; outside size alone does not determine properties without wall thickness and grade.Read more
Standards and applicability
Keep EN 10219 cold-formed welded and EN 10210 hot-finished routes separate. Numeric S355J2H rows below are EN 10219 references for t ≤ 16 mm, not automatic EN 10210 or S355NH data. The tensile band changes below 3 mm. Elongation is reduced from 20% to 18% where D/t < 15 for CHS or (B+H)/(2t) < 12.5 for RHS/SHS; below 3 mm confirm gauge length and specimen width. The 27 J at −20°C reference requires the applicable impact-testing and subsize rules. Confirm grade, wall, corner geometry, weld inspection and certificate for the actual route.
Mechanical reference table
Mechanical reference table
Grade / material
Scope / condition
Re / Rp0.2 (MPa)
Rm (MPa)
A min. (%)
Impact reference
S355J2H
EN 10219; t < 3 mm
≥355
510–680
20 / 18*
27 J / −20°C
S355J2H
EN 10219; 3 ≤ t ≤ 16 mm
≥355
470–630
20 / 18*
27 J / −20°C
Chemical composition references
Chemical composition references
Grade / material
Scope / condition
C (%)
Mn (%)
Si (%)
P (%)
S (%)
Cr / CEV (%)
S355J2H
EN 10219; t ≤ 16 mm
≤0.22
≤1.60
≤0.55
≤0.030
≤0.030
CEV ≤0.45
Selected percentages by mass and test values are reference requirements within the stated scope, not the actual heat analysis or a complete specification. A dash means no value is declared here, not zero. Compare the offered heat and test results with the applicable specification and inspection document. If EN 10204 type 3.1 is required, agree document availability, heat traceability and test scope before ordering.
Inspection and export enquiry
Send the exact product, size, full grade and standard edition, delivery condition, quantity, test requirements and named destination. Confirm cutting, coating, bundle or coil mass, protection, unloading and the Incoterms delivery point in the quotation. The destination guidance below supports port and inland comparisons; it does not confirm local stock or a fixed price.
Square hollow sections Technical and buying guide
EMRA Steel supports sourcing enquiries for Square hollow sections. Review product dimensions, grades, standards and inspection requirements before requesting a quotation. Confirm quantity, delivery destination and the required schedule with our sales team.
Square hollow sections have equal side dimensions; outside size alone does not determine properties without wall thickness and grade.
Specification and dimensions
Specify the following dimensions or analysis details for Square hollow sections: Outside diameter × wall thickness × length for circular sections; width × height × wall thickness × length for rectangular sections.. The examples below are enquiry references, not a confirmed stock range.
Grades and applicable standards
The square and rectangular weights below use cold-formed welded EN 10219 reference geometry. EN 10219-1 covers technical delivery requirements and EN 10219-2 dimensions and tolerances. Specify the full grade, such as S355J2H, and required inspection documents. Hot-finished EN 10210 sections require their own agreed section table: corner radii and mass can differ at the same outside dimensions and thickness. Confirm surface condition, corner geometry, seam location and fabrication requirements.
Applications and project requirements
For Square hollow sections, share the intended production process or project specification. Required properties, processing condition, surface acceptance and dimensional tolerances should reflect the actual application. Supply selection should be reviewed against the technical requirements rather than based on dimensions alone.
Inspection and traceability
Agree heat or batch identification, chemical analysis, applicable tests and dimensional checks before ordering. Specify inspection documents, acceptance criteria and any independent inspection requirements.
Square hollow sections Prices and quotation requirements
40 × 40 × 2 mm
40 × 40 × 2 mm: outside height 40 mm, outside width 40 mm and nominal wall thickness 2 mm. Reference mass approximately 2.31 kg/m (EN 10219 reference geometry); calculated weights are 13.86 kg for 6 m and 27.72 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 40 × 40 × 2 mm
40 × 40 × 3 mm
40 × 40 × 3 mm: outside height 40 mm, outside width 40 mm and nominal wall thickness 3 mm. Reference mass approximately 3.3 kg/m (EN 10219 reference geometry); calculated weights are 19.8 kg for 6 m and 39.6 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 40 × 40 × 3 mm
50 × 50 × 2 mm
50 × 50 × 2 mm: outside height 50 mm, outside width 50 mm and nominal wall thickness 2 mm. Reference mass approximately 2.93 kg/m (EN 10219 reference geometry); calculated weights are 17.58 kg for 6 m and 35.16 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 50 × 50 × 2 mm
50 × 50 × 3 mm
50 × 50 × 3 mm: outside height 50 mm, outside width 50 mm and nominal wall thickness 3 mm. Reference mass approximately 4.25 kg/m (EN 10219 reference geometry); calculated weights are 25.5 kg for 6 m and 51 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 50 × 50 × 3 mm
60 × 60 × 2 mm
60 × 60 × 2 mm: outside height 60 mm, outside width 60 mm and nominal wall thickness 2 mm. Reference mass approximately 3.56 kg/m (EN 10219 reference geometry); calculated weights are 21.36 kg for 6 m and 42.72 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 60 × 60 × 2 mm
60 × 60 × 3 mm
60 × 60 × 3 mm: outside height 60 mm, outside width 60 mm and nominal wall thickness 3 mm. Reference mass approximately 5.19 kg/m (EN 10219 reference geometry); calculated weights are 31.14 kg for 6 m and 62.28 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 60 × 60 × 3 mm
80 × 80 × 3 mm
80 × 80 × 3 mm: outside height 80 mm, outside width 80 mm and nominal wall thickness 3 mm. Reference mass approximately 7.07 kg/m (EN 10219 reference geometry); calculated weights are 42.42 kg for 6 m and 84.84 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 80 × 80 × 3 mm
80 × 80 × 4 mm
80 × 80 × 4 mm: outside height 80 mm, outside width 80 mm and nominal wall thickness 4 mm. Reference mass approximately 9.22 kg/m (EN 10219 reference geometry); calculated weights are 55.32 kg for 6 m and 110.64 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 80 × 80 × 4 mm
100 × 100 × 3 mm
100 × 100 × 3 mm: outside height 100 mm, outside width 100 mm and nominal wall thickness 3 mm. Reference mass approximately 8.96 kg/m (EN 10219 reference geometry); calculated weights are 53.76 kg for 6 m and 107.52 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 100 × 100 × 3 mm
100 × 100 × 4 mm
100 × 100 × 4 mm: outside height 100 mm, outside width 100 mm and nominal wall thickness 4 mm. Reference mass approximately 11.7 kg/m (EN 10219 reference geometry); calculated weights are 70.2 kg for 6 m and 140.4 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 100 × 100 × 4 mm
120 × 120 × 4 mm
120 × 120 × 4 mm: outside height 120 mm, outside width 120 mm and nominal wall thickness 4 mm. Reference mass approximately 14.3 kg/m (EN 10219 reference geometry); calculated weights are 85.8 kg for 6 m and 171.6 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 120 × 120 × 4 mm
120 × 120 × 6 mm
120 × 120 × 6 mm: outside height 120 mm, outside width 120 mm and nominal wall thickness 6 mm. Reference mass approximately 20.8 kg/m (EN 10219 reference geometry); calculated weights are 124.8 kg for 6 m and 249.6 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 120 × 120 × 6 mm
150 × 150 × 4 mm
150 × 150 × 4 mm: outside height 150 mm, outside width 150 mm and nominal wall thickness 4 mm. Reference mass approximately 18 kg/m (EN 10219 reference geometry); calculated weights are 108 kg for 6 m and 216 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 150 × 150 × 4 mm
150 × 150 × 6 mm
150 × 150 × 6 mm: outside height 150 mm, outside width 150 mm and nominal wall thickness 6 mm. Reference mass approximately 26.4 kg/m (EN 10219 reference geometry); calculated weights are 158.4 kg for 6 m and 316.8 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 150 × 150 × 6 mm
200 × 200 × 6 mm
200 × 200 × 6 mm: outside height 200 mm, outside width 200 mm and nominal wall thickness 6 mm. Reference mass approximately 35.8 kg/m (EN 10219 reference geometry); calculated weights are 214.8 kg for 6 m and 429.6 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 200 × 200 × 6 mm
200 × 200 × 8 mm
200 × 200 × 8 mm: outside height 200 mm, outside width 200 mm and nominal wall thickness 8 mm. Reference mass approximately 46.5 kg/m (EN 10219 reference geometry); calculated weights are 279 kg for 6 m and 558 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 200 × 200 × 8 mm
250 × 250 × 8 mm
250 × 250 × 8 mm: outside height 250 mm, outside width 250 mm and nominal wall thickness 8 mm. Reference mass approximately 59.1 kg/m (EN 10219 reference geometry); calculated weights are 354.6 kg for 6 m and 709.2 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 250 × 250 × 8 mm
300 × 300 × 8 mm
300 × 300 × 8 mm: outside height 300 mm, outside width 300 mm and nominal wall thickness 8 mm. Reference mass approximately 71.6 kg/m (EN 10219 reference geometry); calculated weights are 429.6 kg for 6 m and 859.2 kg for 12 m. Request 6 m, 12 m or agreed cut lengths, subject to confirmation. Actual weight depends on dimensional tolerances and the supplied section; confirm the mill table and weighing basis. 300 × 300 × 8 mm
Quotation requirements
For a Square hollow section quotation, state the grade, manufacturing route, full standard, length, quantity, surface finish and delivery destination. Compare matching dimensions and wall thickness; confirm whether pricing and invoicing use theoretical or actual weighed mass. Galvanizing, cutting and end preparation can affect the offer. Get a quote
Frequently asked questions
Does an example mean immediate availability?
No. Examples are enquiry references; stock and delivery must be confirmed for the complete specification.
Can a different grade or standard be substituted?
Only after the proposed material and the project requirements have been technically reviewed.
Choose the product specification first; destination and shipment details belong in the delivery enquiry. Destination enquiry guides
Grade enquiries for Square hollow sections
Square hollow sections S355J2H
For Square hollow sections S355J2H, confirm the complete material standard and edition, chemical analysis, delivery condition and inspection certificate. Review the offered material against the intended processing or project requirements. The designation is an enquiry reference; availability and equivalence to other grades require confirmation.
