Coupler material
• Steel grade S355MC UNI EN 10149-1
• Cold formed
• High resistance and ductility
• 4.75 mm thickness
Protection
• Tropicalization: Hot dip galvanizing, passivation
• Min. coating thickness 8 micron
Characteristics
• Right angle couplers tested to UNI-EN74, EN-39, Class B; swivel couplers
tested to UNI-EN74, EN-39, Class A
• Live load allowance: 1100 daN (gathered from 5% fractile value)
• Tensile strength: 430÷550 N/mmsq, steel grade S355MC
• Yield point: Steel grade S355MC 355 N/mmsq
• Elongation: Steel grade S355MC 23%
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Material
• Steel grades S235JRH and S355JOH
Protection
• Hot dip galvanizing: guaranteed min. coating thickness 55 micron (mean
value)
• Sendzimir galvanizing: guaranteed min. coating thickness 15 micron (mean
value)
• Painting: minimum durability tested to ASTM D 2247-87 moist-room test
Dimensions
• Outside diameter: 48,3 mm
• Nominal thickness: 3,2 mm
• Section: 4,53 cmsq
• Moment of inertia: 11,59 cmsq
• Section modulus: 4,80 cm3
• Radium of gyration: 1,60 cm
• Availabletube sizes:
6,0 m 5,4 m
5,0 m 4,5 m
4,0 m 3,6 m
3,25 m 3,0 m
2,75 m 2,5 m
2,25 m 2,0 m
1,8 m 1,5 m
1,25 m 1,2 m
1,0 m 0,9 m
0,75 m 0,6 m
0,5 m 0,4 m
---------------- Manufacturing standards
- Autorizzazione Ministeriale n.23287 del 24/02/1973 e successive estensioni
- UNI EN 74, EN 39
- D.P.R. 07/01/56 n. 164
- Disciplinare ACAI sul marchio SQ
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