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

CERTIFIED REFERENCE MATERIAL
SE21-14
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
 
  %
  %
  %
  %
  %
 
      0.0827
      0.050
      0.704
      0.0121
      0.0103
 
      0.0002
    < 0.001
      0.002
      0.0001
      0.0003
 
10
12
12
 5
12
 
1
2
2
3
4
 
  Cr
  Mo
  Ni
  Al lösl.
  Al unl.
 
  %
  ppm
  %
  %
  %
 
      0.0209
     66.8
      0.051
      0.0465
      0.0008
 
      0.0002
      0.2
      0.001
      0.0002
      0.0001
 
11
 4
11
10
 4
 
2
2
2
2
2
 
  As
  B
  Co
  Cu
  Pb
 
  %
  ppm
  %
  %
  ppm
 
      0.0056
    < 0.4
      0.0035
      0.0485
      1.8
 
      0.0002
      -.-
      0.0001
      0.0002
      0.1
 
 4
 4
 4
11
 4
 
3
3
2
2
2
 
  Sn
  Ti
  V
  Ag
  Ca
 
  ppm
  %
  %
  ppm
  %
 
     52.2
      0.213
      0.0081
      0.1
    < 0.0001
 
      0.3
      0.002
      0.0002
    < 0.1
      -.-
 
 4
12
12
 4
 4
 
2
2
2
2
2
 
  In
  Sb
  Zn
 
  %
  ppm
  ppm
 
    < 0.0001
      7.8
      6.7
 
      -.-
      0.1
      0.1
 
 4
 4
 4
 
2
2
2
* Measuring method
1: Combustion with coulometric detection
2: Atomic absorption spectrometry
3: Photometry
4: Combustion with IR-detection