Channels

American ASTM standard high-strength, low-alloy beams, which are used in common applications such as gravity columns for high-rise buildings, long span trusses for stadiums and convention centers and for all projects where seismic design is a critical factor. The European standard EN 10027:1992 defines, in combination with the CEN report CR10260, the design
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Structural steel grades according to American and European standards are shown in tables below. Some of the delivery conditions of the material is as provided below;
  • Ultrasonic testing
  • Reduced carbon equivalent (CEV) or parameter crack measurement (PCM) value
  • Transversal impact test
  • Post-weld heat treatment test (PWHT)
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Typical specification data

Technical reference

Final chemical, mechanical properties, dimensions and tolerances are confirmed against the governing specification and purchase order.

American Standards
SHAPE DESIGNATION STANDARD DIMENSIONS TOLERANCES GRADES
C Standard channels ASTM A6 / A6M C 8-12 ASTM A 6/A 6M A572 / A709 / A992 / A588
MC Channels ASTM A6 / A6M MC 6-18 ASTM A 6/A 6M A572 / A709 / A992 / A588
European Standards
SHAPE DESIGNATION STANDARD DIMENSIONS TOLERANCES GRADES
UPE Parallel flange channels EN 10365 UPE 80-400 EN 10279 EN 10025-2 / EN 10025-4 / EN 10225
UPN Taper flange channels EN 10365 UPN 50-400 EN 10279 EN 10025-2 / EN 10025-4 / EN 10225
PFC Parallel flange channels EN 10365 PFC 100-430 EN 10279 EN 10025-2

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