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Steel Grades

Conditions of supply

Cold rolled formed piles are supplied according to DIN EN 10249, whereas hot rolled steel piles are supplied according to DIN EN 10248.

Cold rolled steel grades

The steel grades used for our hot rolled steel piles comply with DIN EN 10248-1. On request, steels complying with DIN EN 10025 (structural steels), DIN EN 10155 (weather steels) or other standard specifications can also be supplied.

High-strength weld-able sheet piling steels with a minimum yield point of up to 500N/mm2 can be supplied according to works standards. Cold rolled sheet piles are supplied in grade S 275 JRC according to DIN EN 10249-1.

Steel grades for sheet piling
Steel grades for sheet piling according to DIN EN 10248-1
             
Steel grade Tensile strength Minimum yield point Minimum elongation Permissible stresses1
        Loading class 1 Loading class 2 Loading class 3
  N/mm2 N/mm2 % N/mm2 N/mm2 N/mm2
S 240 GP 340 240 26 160 184 208
S 270 GP 410 270 24 180 207 234
S 355 GP 480 355 22 240 276 312
S 320 GP 440 320 23 213 245 277
S 390 GP2 490 390 20 260 299 338
S 430 GP2 510 430 19 285 328 370
Higher-strength weldable sheet piling steels according to works standards
             
Steel grade Tensile strength Minimum yield point Minimum elongation Permissible stresses1
        Loading class 1 Loading class 2 Loading class 3
  N/mm2 N/mm2 % N/mm2 N/mm2 N/mm2
St Sp 460 550 460 17 310 357 403
St Sp 500 590 500 16 335 386 436
Steel grade for Hoesch-trench sheetings, lightweight sections according to DIN EN 10249-1
Steel grade Tensile strength Minimum yield point Minimum elongation Permissible stresses1
        Loading class 1 Loading class 2 Loading class 3
S 275 JRC 410 275 22 185 213 241
1) In case of compression and bending stress for stability testing, lower permissible stresses apply (see E 20, EAU 190)
2) For the high-strength sheet piling steels S390 GP and S430 GP, an approval certificate (Z-30 1-7) from the building supervisory authorities dated February 28, 2000has been awarded. The approval is valid until February 28, 2010 and can be made available on request.