Mẫu chuẩn thành phần kim loại Brammer BS 4140C
Certificate of Analysis
BS 4140C
Certified Reference Material for AISI Steel Grade 4140 - UNS Number G41400
Certified Estimate of Certified Values 3 Certified Estimate of
Value 1 Uncertainty
2 Value 1 Uncertainty
2
Al 0.0215 0.0008 Nb 0.0019 0.0005
As 0.0052 0.0008 Ni 0.131 0.006
C 0.43 0.01 O 0.0011 0.0004
Ca 0.0010 0.0003 P 0.010 0.002
Co 0.0078 0.0007 S 0.026 0.002
Cr 0.94 0.01 Sb 0.0021 0.0005
Cu 0.260 0.007 Si 0.29 0.01
Fe 96.8 0.01 Sn 0.0095 0.0009
Mn 0.922 0.009 Ti 0.0009 0.0003
Mo 0.169 0.005 V 0.0026 0.0006
N 0.0064 0.0007