Laboratory accredited by GAZ, (Association for the Accreditation and Certification GmbH) Attestation no. 91021

CERTIFIED REFERENCE MATERIAL
SE21-19
unalloyed steel

Version: 002      Date of certification: 09.10.09      Sample form: Milling 0.200-1.400 mm

Analyte Unit Certified value Confidence
interval (95%)		 No. of independent
repeated series		 Measuring
method*		 
  C
  Si
  Mn
  P
  S
 
  %
  %
  %
  %
  %
 
      0.1781
      0.423
      1.605
      0.0133
      0.0098
 
      0.0010
      0.004
      0.008
      0.0001
      0.0005
 
12
 7
12
 8
12
 
1
2
2
3
4
 
  Cr
  Mo
  Ni
  Al lösl.
  Al unl.
 
  %
  ppm
  %
  %
  %
 
      0.0127
     35.6
      0.433
      0.0486
      0.0020
 
      0.0001
      0.5
      0.003
      0.0001
      0.0001
 
 7
 5
12
 8
 4
 
2
2
2
2
2
 
  As
  B
  Co
  Cu
  Pb
 
  %
  ppm
  %
  %
  ppm
 
      0.0034
      0.8
      0.0049
      0.0184
      1.3
 
      0.0001
      0.1
      0.0002
      0.0002
      0.1
 
 4
 4
 4
 7
 5
 
3
3
2
2
2
 
  Sn
  Ti
  V
  Ag
  Ca
 
  ppm
  %
  %
  ppm
  %
 
      5.8
      0.0009
      0.144
    < 0.1
    < 0.0002
 
      0.2
      0.0001
      0.001
      -.-
      -.-
 
 5
 5
12
 5
 4
 
2
2
2
2
2
 
  Sb
  Zn
 
  ppm
  ppm
 
      4.0
      3.6
 
      0.1
      0.1
 
 5
 5
 
2
2
* Measuring method
1: Combustion with coulometric detection
2: Atomic absorption spectrometry
3: Photometry
4: Combustion with IR-detection