In accordance with the regulations of Lead traded on London Metals Exchange (LME).
- Refined lead with a minimum purity of 99.970% must meet one of the following criterias:
- Standard BS EN 12659:1999 for “Lead and Lead-Lead Alloys”: Material number PB970R, PB985R and PB990R
- Standard GB/T 469/2013 for “Lead ingots”: 99.970%, 99.985%, 99.990% and 99.994%
- Standard ASTM B29-03 (2014) for “Refined Lead”: 99.97% and 99.995%.
- In the shape of ingots weighing not more than 55 kilos.
- Of brands listed in the LME approved list.
Standard BS EN 12659:1999 for “Lead and Lead-Lead Alloys”
Element |
Composition (%) |
Lead |
99.970 for
PB970R |
99.985 for
PB985R |
99.990 for
PB990R |
Minimum |
Silver |
0.0050 |
0.0025 |
0.0015 |
Maximum |
Asen |
0.0010 |
0.0005 |
0.0005 |
Bitmut |
0.030 |
0.0150 |
0.0100 |
Cadimi |
0.0010 |
0.0002 |
0.0002 |
Copper |
0.0030 |
0.0010 |
0.0005 |
Niken |
0.0010 |
0.0005 |
0.0002 |
Antimon |
0.0010 |
0.0005 |
0.0005 |
Tin |
0.0010 |
0.0005 |
0.0005 |
Zinc |
0.0005 |
0.0002 |
0.0002 |
Total |
0.030 |
0.015 |
0.010 |
Standard GB/T 469-2013 for “Lead ingots”
Element |
Composition (%) |
Lead |
99.970 for Pb99.970 |
99.985 for Pb99.985 |
99.990 for Pb99.990 |
99.994 for Pb99.994 |
Minimum |
Silver |
0.0050 |
0.0025 |
0.0015 |
0.0008 |
Maximum |
Asen |
0.0010 |
0.0005 |
0.0005 |
0.0005 |
Bitmut |
0.030 |
0.0150 |
0.0100 |
0.004 |
Cadimi |
0.0010 |
0.0002 |
0.0002 |
0.0002 |
Copper |
0.0030 |
0.0010 |
0.0005 |
0.001 |
Ferrous |
0.0020 |
0.0010 |
0.0010 |
0.0005 |
Niken |
0.0010 |
0.0005 |
0.0002 |
0.0002 |
Antimon |
0.0010 |
0.0005 |
0.0005 |
0.0007 |
Tin |
0.0010 |
0.0005 |
0.0005 |
0.0005 |
Zinc |
0.0005 |
0.0002 |
0.0002 |
0.0004 |
Total |
0.030 |
0.015 |
0.010 |
0.006 |
Standard ASTM B29-03 (2014) for “Refined Lead”
Element |
Composition (%) |
Lead |
99.97 for
UNS No.L50021 |
99.995 UNS No.L50006 |
Minimum |
Refined Lead |
Less Bitmut
Less silver
Refined Lead |
Maximum |
Silver |
0.0075 |
0.0010 |
Allunium |
0.0005 |
|
Asen |
0.0005 |
0.0005 |
Bitmut |
0.025 |
0.0015 |
Cadimi |
0.0005 |
|
Copper |
0.0010 |
0.0010 |
Ferrous |
0.001 |
0.0002 |
Niken |
0.0002 |
0.0002 |
Sulfur |
0.001 |
|
Antimon |
0.0005 |
0.0005 |
Selen |
0.0005 |
|
Tin |
0.0005 |
0.0005 |
Telu |
0.0002 |
0.0001 |
Zinc |
0.001 |
0.0005 |