Mẫu chuẩn thành phần kim loại Brammer BS 4340B
Certificate of Analysis
BS 4340B
Certified Reference Material for Low Alloy Steel Grade 4340 - UNS Number G43400
Certified Estimate of Certified Values3 Certified Estimate of
Value1 Uncertainty2 Value1 Uncertainty2
Al 0.022 0.002 N 0.0060 0.0009
As 0.009 0.001 Ni 1.85 0.03
C 0.42 0.02 O 0.0009 0.0003
Co 0.014 0.002 P 0.0078 0.0009
Cr 0.81 0.03 S 0.016 0.002
Cu 0.170 0.006 Sb 0.0017 0.0003
Fe 95.5 0.1 Si 0.283 0.009
Mg 0.0002 0.0001 Sn 0.008 0.001
Mn 0.658 0.009 Ti 0.0019 0.0006
Mo 0.235 0.009 V 0.0033 0.0008