QUALITY STANDARDS
In accordance with the regulations of Lead traded on London Metals Exchange (LME).
1. Refined lead with a minimum purity of 99.970% must meet one of the following criterias:
a. Standard BS EN 12659:1999 for "Lead and Lead-Lead Alloys": Material number PB970R, PB985R and PB990R
b. Standard GB/T 469/2013 for "Lead ingots": 99.970%, 99.985%, 99.990% and 99.994%
c. Standard ASTM B29-03 (2014) for “Refined Lead”: 99.97% and 99.995%.
2. In the shape of ingots weighing not more than 55 kilos.
3. 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 |
CONTRACT SPECIFICATION
Trading Screen Product Name |
Lead LME |
Commodity Code |
LEDZ / PBD |
Contract Size |
25 tons / lot (± 2%) |
Price Quotation |
USD / ton |
Contract Type |
3-month |
Contract Series |
Daily |
Trading Hours |
Monday - Friday 07:00 A.M - 01:00 A.M (the next day) |
Minimum Price Fluctuation |
0.50 USD / ton |
Prompt date |
Out to 3 months |
Last Trading Day |
Up until the close of the first Ring the day before the prompt date |
Margin |
As MXV required |
Position Limit |
As MXV required |
Price Limit |
As MXV required |
Settlement Method |
Deliverable |
Quality Standards |
Standards are detailed below |