SCHEIBINOX - Stainless Steel Reinforcement
 

National Technical Approval

In Germany, the use of stainless steel reinforcement is stipulated by the Centre of Competence for Construction (DIBt) in Berlin in most areas and therefore requires national technical approval. That is why manufacturers of stainless steel reinforcement have to prove through corresponding certificate of compliance that they fulfill the requirements of national technical approval. This includes the manufacturing process, the self-monitoring as wells as the monitoring by the material testing office NRW.

Since 1997 we have been registered by DIBt, Berlin, under Z-1.4-50 with steel grade 1.4571 (316 TI), since 2007 under Z-1.4-228 with lean duplex grade 1.4362 (S32304) and since 03.09.14 under Z-1.4-261 with our lean Duplex Inoxripp4486® (S32001). We are constantly supervised by the Material Testing Office Dortmund. Our registered manufacturer´s mark: 3 diagonal ribs between 2 crossed ribs or 2 ribs which are left out.

Our Inoxripp4486® is the first cold worked, technically approved lean duplex reinforcement with high ductility (ductility B) on the German market.


Overview Steel Grades

  Steel Grade Inoxripp4486® 1.4362 1.4571
Designation x 2 CrMnNiMoN 21 5 3 x 2 CrNiN 23 4 x 6 CrNiMoTi 17 12 2
AISI S32001 S32304 316 TI
Type Class B (high ductility) Class A (low ductility) Class B (high ductility)
Structure austenitic-ferritic (duplex) austenitic-ferritic (duplex) austenitic
Corrosion Resistance Class 3 3 3
Magnetism yes yes no
Tensile Strenght Rm ≥800 N/mm2 ≥800 N/mm2 ≥550 N/mm2
Yield Strenght Rp 0,2 ≥700 N/mm2 ≥700 N/mm2 ≥500 N/mm2
total elongation at
maximum force Agt
≥ 5% ≥ 2,5% ≥ 5%
Re/Rm ratio ≥ 1,08 ≥ 1,05 ≥ 1,08
National Technical Approval yes (Z-1.4-261) yes (Z-1.4-228) yes (Z-1.4-50)
Date of Approval Sept. 3rd 2013 Mai 31st 2007 Mar 17th 1997
Period of Validity Sept. 3rd 2018 Mai 31st 2022 Juli 31st 2022
Nominal Diameter 6 − 14 mm 6 − 12 mm 6 − 14 mm

 

 
 
 
 
 
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