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

CERTIFIED REFERENCE MATERIAL
SE23-29
alloyed steel

Version: 002      Date of certification: 11.04.06      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
  %
%
%
%
%
      0.1680
0.2570
0.3219
0.0065
0.00067
      0.0022
0.0018
0.0015
0.0002
0.00008
 3
3
3
3
3
1
2
2
2
3
  Cr
Mo
Ni
Al
As
  %
%
%
%
%
      1.7057
0.4126
2.3865
0.0439
0.0019
      0.0169
0.0042
0.0107
0.0004
0.0001
 3
3
3
3
3
2
2
2
2
4
  B
Co
Cu
N
Nb
  %
%
%
%
%
    < 0.00009
0.0050
0.0216
0.0045
0.00097
      -.-
0.0001
0.0001
< 0.0001
0.00003
 4
3
3
3
3
5
2
2
6
2
  Pb
Sn
Ti
V
Bi
  %
%
%
%
%
    < 0.00007
0.00052
0.0027
0.0025
< 0.00002
      -.-
0.00003
< 0.0001
< 0.0001
-.-
 3
3
3
3
3
4
4
2
2
4
  Ca
Sb
  %
%
      0.0027
0.00053
      0.0001
0.00006
 3
3
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
5: ICP with high resolution mass spectrometry
6: Hot extraction with HC and IR detection