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

CERTIFIED REFERENCE MATERIAL
SE22-10
unalloyed steel

Version: 001      Date of certification: 04.08.08      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
  %
%
%
%
%
      0.0648
0.0872
1.4783
0.0130
0.0034
      0.0004
0.0010
0.0038
0.0001
0.0001
35
10
10
14
12
1
2
2
2
3
  Cr
Mo
Ni
Al lösl.
As
  %
%
%
%
%
      0.0344
0.0162
0.2443
0.0021
0.0019
      0.0002
0.0001
0.0011
0.0002
0.0001
10
10
10
6
10
2
2
2
2
2
  Co
Cu
Nb
Sn
Ti
  %
%
%
%
%
      0.0031
0.1035
0.0212
0.0005
0.0164
      0.0001
0.0006
0.0001
< 0.0001
0.0001
10
10
7
6
7
2
2
2
4
2
  V
Zr
Ca
Sb
  %
%
%
%
      0.0014
0.0071
0.0003
0.0005
      0.0001
< 0.0001
0.0001
< 0.0001
10
7
7
6
2
2
2
4
* Measuring method
1: Combustion with coulometric detection
2: ICP with optical emission spectrometry
3: Combustion with IR-detection
4: ICP with quadrupol mass spectrometry