lead to copper alloy

lead to copper alloy, Total:208 items.

The international standard classification for "lead to copper alloy" includes: Flanges, couplings and joints , Copper and copper alloys , Lead, zinc, tin and their alloys , Internal combustion engines .

The Chinese standard classification for "lead to copper alloy" includes: Pipeline fittings , Heavy metals and their alloys analysis method , Engine body and moving parts .

Taiwan Provincial Standard of the People's Republic of China

CNS 11942.3-1999 Methods for determination of lead in copper and copper alloys
CNS 10983-1984 Copper-Lead Alloy Castings for Bearing
CNS 11942-3-1999 Methods for determination of lead in copper and copper alloys

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 5121.3-1996 Copper and copper alloys-Determination of lead content
GB/T 4103.3-2000 Methods for chemical analysis of lead and lead alloys Determination of copper content
GB/T 5121.3-2008 Methods for chemical analysis of copper and copper alloys - Part 3: Determination of lead content
GB/T 4103.3-2012 Methods for chemical analysis of lead and lead alloys - Part 3: Determination of copper content
GB/T 15530.2-1995 Copper alloy welding neck flanges

Anhui Provincial Standard of the People's Republic of China

DB34/T 2219-2014 Lead-free free-cutting silicon-phosphorus brass alloy rod

Professional Standard - Automobile

QC/T 281-1999 Metallographic Phase Standard of Copper Lead Alloy for Bearing Bush of Automotive Engine

Professional Standard - Machinery

JB/T 9749-1999 Intenal combustion engines - Cast copper-lead bearings - Metallographic examination

NO-SN

NS 16145-1989 Wrought copper and copper alloys - Leaded copper-zinc alloy CuZn38Pb1
NS 16125-1989 Wrought copper and copper alloys - Leaded copper-zinc alloy CuZ43Pb1A1
NS 16130-1989 Wrought copper and copper alloys - Leaded copper-zinc alloy CuZn39Pb3
NS 16135-1989 Wrought copper and copper alloys - Leaded copper-zinc alloy CuZn4OPb2
NS 16150-1989 Wrought copper and copper alloys - Leaded copper-zinc alloy CuZn36Pb1
NS 16140-1989 Wrought copper and copper alloys - Leaded copper-zinc alloy CuZn40Pb
NS 16210-1989 Wrought copper and copper alloys - Special leaded copper-zinc alloy CuZn20A12

SCC

NS 16135:1989 Wrought copper and copper alloys - Leaded copper-zinc alloy CuZn4OPb2
NS 16130:1989 Wrought copper and copper alloys - Leaded copper-zinc alloy CuZn39Pb3
NS 16125:1989 Wrought copper and copper alloys - Leaded copper-zinc alloy CuZ43Pb1A1
NS 16140:1989 Wrought copper and copper alloys - Leaded copper-zinc alloy CuZn40Pb
NS 16145:1989 Wrought copper and copper alloys - Leaded copper-zinc alloy CuZn38Pb1
NS 16210:1989 Wrought copper and copper alloys — Special leaded copper-zinc alloy CuZn20A12
NS 16540:1977 Copper alloy casting — Leaded bronze CuSn10Pb10
NS 1653:1967 Wrought copper-zinc-alloy — Leaded brass CuZn40Pb3
NS 1652:1967 Wrought copper-zinc-alloy — Leaded brass CuZn39Pb2
NS 1650:1967 Wrought copper-zinc-alloy — Leaded brass CuZn41Pb
NS 16520:1977 Copper alloy casting — Leaded gunmetal CuSn9Zn4Pb2
NS 16525:1977 Copper alloy casting — Leaded gunmetal CuSn7Pb6Zn3
NS 16532:1977 Copper alloy casting - Leaded gunmetal CuSn6ZnNi
NS 16530:1977 Copper alloy casting — Leaded gunmetal CuSn5Pb5Zn5
NS 1651:1967 Wrought copper-zinc-alloy — Leaded brass CuZn38Pb1
NS 16550:1977 Copper alloy casting — Leaded brass CuZn33Pb2
NS 1649:1967 Wrought copper-zinc-alloy — Leaded brass CuZn40Pb
BS 3908-4:1967 Methods for the sampling and analysis of lead and lead alloys-Copper in lead and lead alloys (photometric method)
NS 16150:1989 Wrought copper and copper alloys - Leaded copper-zinc alloy CuZn36Pb1 (ISO 426-2:1983 modified)
DIN SPEC 2701:2018 Unleaded copper alloys - Ingots and castings made of CuSn4Zn2PS; Text in German and English
NS-EN 12659:1999 Lead and lead alloys — Lead
DANSK DS/EN 12659:2000 Lead and lead alloys - Lead
AWWA ACE93194 Impact of pH and Lead Composition on Metal Leached From Brass Coupons
DANSK DS/EN 50307:2003 Lead and lead alloys - Lead and lead alloy sheaths and sleeves of electric cables
CEI EN 50307:2003 Lead and lead alloys - Lead and lead alloy sheaths and sleeves of electric cables
DANSK DS/EN 13086:2000 Lead and lead alloys - Lead oxides
DANSK DS/EN 15622:2010 Copper and copper alloys - Determination of lead content - Flame atomic absorption spectrometric method (FAAS)
NS-EN 15622:2010 Copper and copper alloys — Determination of lead content — Flame atomic absorption spectrometric method (FAAS)

FI-SFS

SFS 2203-1967 Copper metal, casting alloy. Copper zinc lead, alloy CuSn12
SFS 2215-1967 Copper metal, casting alloy. Copper lead tin, alloy CuSn12
SFS 2216-1967 Copper metal, casting alloy. Copper lead tin, alloy CuPb15Sn8
SFS 2925-1975 Copper-tin-lead alloy CuZn40Pb
SFS 2924-1975 KUPARI-SINKKI-LYIJYSEOS CuZn38Pb1
SFS 2921-1975 KUPARI-SlNKKI-LYIJYSEOSCuZn39Pb2

CZ-CSN

CSN 42 3236-1953 Copper and copper alloys. Molding alloy copper zinc lead, tin alloy brass 60 tin (tone)
CSN ON 42 3219-1966 Copper-lead-zinc alloy. Mineral lead brass Ms60? Diamagnetic
CSN 42 0620 Cast.3-1981 Copper-zinc alloys. Determination of lead
CSN 42 0636 Cast.4-1983 Chemical analysis of non-ferrous metals and alloys. Lead-antimony alloys. Determination of copper by the photometric method
CSN 42 3295 Cast.2-1983 Wrought copper-zinc-lead alloys. Chemical composition
CSN 42 0614-7-1994 Lead-tin base alloys. Determination of copper by the photometric method
CSN 42 0614-6-1994 Lead and tin base alloys. Determination of cooper by the atomic absorption method
CSN ISO 426/2:1994 Wrought copper-zinc alloys. Chemical composition and forms of wrought products. Part 2: Leaded copper-zine alloys

British Standards Institution (BSI)

BS 1748 Pts.11 and 12:1964 Methods for the analysis of copper alloys - Methods for the determination of copper and lead in leaded bronze alloys
BS 6721-9:1989 Sampling and analysis of copper and copper alloys. Method for determination of lead in copper alloys by flame atomic absorption spectrophotometry
BS EN 12659:1999 Lead and lead alloys - Lead
BS EN 611-1:1996 Tin and tin alloys - Pewter and pewterware - Pewter
BS 1748 Pts.1-5:1961 Methods for the analysis of copper alloys - Methods for the determination of copper, lead, iron, aluminium and nickel in copper alloys
BS EN 50307:2002 Lead and lead alloys — Lead and lead alloy sheaths and sleeves of electric cables
BS EN 13086:2000 Lead and lead alloys - Lead oxides
BS EN 50307:2003 Lead and lead alloys - Lead and lead alloy sheaths and sleeves of electric cables
BS EN 611-2:1997 Tin and tin alloys - Pewter and pewterware - Pewterware

American Society for Testing and Materials (ASTM)

ASTM B455/B455M-20 Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Extruded Shapes
ASTM B455-01 Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Extruded Shapes
ASTM B455-96 Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Extruded Shapes
ASTM B455-10 Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Extruded Shapes
ASTM B453/B453M-19 Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Rod, Bar, and Shapes
ASTM B455-05 Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Extruded Shapes
ASTM B453/B453M-01 Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Rod, Bar, and Shapes
ASTM B441-22 Standard Specification for Copper-Cobalt-Beryllium Alloy, Copper-Nickel-Beryllium Alloy, Copper-Nickel-Lead-Beryllium Alloy, and Copper-Nickel-Cobalt Alloy Rod and Bar
ASTM B453/B453M-05 Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Rod, Bar, and Shapes
ASTM B455-10(2017) Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Extruded Shapes
ASTM B453-96 Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Rod (Withdrawn 2001)
ASTM B453/B453M-11e1 Standard Specification for Copper-Zinc-Lead Alloy 40;Leaded-Brass41; Rod, Bar, and Shapes
ASTM B453/B453M-08 Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Rod, Bar, and Shapes
ASTM B453/B453M-11 Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Rod, Bar, and Shapes
ASTM B453/B453M-11(2017) Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Rod, Bar, and Shapes
ASTM B453M-96 Standard Specification for Copper-Zinc-Lead Alloy (Leaded-Brass) Rod [Metric] (Withdrawn 2001)
ASTM B189-95 Standard Specification for Lead-Coated and Lead-Alloy-Coated Soft Copper Wire for Electrical Purposes
ASTM B189-05(2021) Standard Specification for Lead-Coated and Lead-Alloy-Coated Soft Copper Wire for Electrical Purposes
ASTM B189-05 Standard Specification for Lead-Coated and Lead-Alloy-Coated Soft Copper Wire for Electrical Purposes
ASTM B189-05(2015) Standard Specification for Lead-Coated and Lead-Alloy-Coated Soft Copper Wire for Electrical Purposes
ASTM B189-05(2010) Standard Specification for Lead-Coated and Lead-Alloy-Coated Soft Copper Wire for Electrical Purposes

Korean Agency for Technology and Standards (KATS)

KS D 5514-1981 Leaded brass alloy ribbons
KS D 1895-2014(2019) Determination of lead in copper and copper alloys
KS D 1895-2014 Determination of lead in copper and copper alloys
KS D 1895-2019 Determination of lead in copper and copper alloys
KS D 1895-1993 Methods for determination of lead in copper and copper alloys
KS D 6004-1991 Copper . Lead alloy castings for bearing
KS D 5601-1980 Tin or tin -lead coated copper wire
KS D 1895-2004 Methods for determination of lead in copper and copper alloys
KS D ISO 3112:2002 Copper and copper alloys－Determination of lead －Extracting titration method
KS D ISO 2576-2012 Chemical analysis of zinc alloys－Polarographic determination of lead and cadmium in zinc alloys containing copper
KS D 5202-2009(2019) Copper beryllium alloy, copper titanium alloy, phosphor bronze and nickel silver sheets, plates and strips for spring
KS D 5202-2003 Copper beryllium alloy, copper titanium alloy, phosphor bronze and nickel silver sheets, plates and strips for spring
KS D ISO 3112-2002(2017) Copper and copper alloys－Determination of lead －Extracting titration method
KS D ISO 2576:2012 Chemical analysis of zinc alloys－Polarographic determination of lead and cadmium in zinc alloys containing copper
KS D 1938-2003 Determination of element content in zinc and zinc alloy
KS D 5512-2010 Lead sheets and plates and hard lead sheets and plates

BE-NBN

NBN I-897-1968 Copper alloy, copper zinc 34 lead alloy smelting, related properties

CH-SNV

SN 198 898-1987 Determination of the burning and smouldering behaviour of textiles, vertical edge ignition
SN 132 151-1984 Process plant Installation devicesSafety valve PN 16, spring-loaded, with bellowsset pressure 1,9 up to 10 bar

Japanese Industrial Standards Committee (JISC)

JIS H 1053:2009 Methods for determination of lead in copper and copper alloys
JIS H 2207:1985 Leaded bronze ingots for castings
JIS H 1053:1993 Methods for determination of lead in copper and copper alloys
JIS H 1053:2003 Methods for determination of lead in copper and copper alloys

South African Bureau of Standard

SANS 1303-1:1980 Wrought copper alloys Part 1: Chemical composition of copper-zinc alloys (non-leaded and leaded)
SANS 1303-1:2008 Wrought copper alloys Part 1: Chemical composition of copper-zinc alloys (non-leaded and leaded)

RO-ASRO

STAS 1512-1988 COPPER-LEAD-TIN ALLOYS IN CASTINGS
STAS 2979/4-1984 COPPER-TIN ALLOYS Lead content determination
STAS 2979/4-1967 Tin copper alloy. Determination of lead content
STAS 2825/7-1967 Aluminum copper alloy. Determination of lead content
STAS 2958/6-1971 LEAD BASE ANTIERICTION ALLOY Ypb 98 Determination of copper
STAS 9131/3-1972 LEAD ALLOYS FOR STORAGE BATTERIES Determination of copper content
STAS 2771/4-1979 ANTIFRICTION ALLOYS BASED ON TIN, LEAD-TIN AND ALUMINIUM Determination of copper content

BR-ABNT

ABNT P-EB-354-1970 Copper-zinc alloy plus lead metal strips and wires
ABNT EB-576-1979 Lead-copper-zinc alloy extruded leaf profile
ABNT P-EB-352-1971 Copper-zinc alloy and concentric lead alloy plates and strips

TR-TSE

TS 502-1976 COPPER-LEAD-TIN ALLOY C?STINGS FOR BEARING8

RU-GOST R

GOST 1652.2-1977 Copper-zinc alloys. Methods for the determination of lead
GOST 1293.2-1983 Lead-antimony alloys. Methods for the determination of copper
GOST 21877.3-1976 Tin and lead babbits. Methods for the determination of copper and lead
GOST 1293.5-1983 Lead-antimony alloys. Methods for the determination of zinc and copper
GOST 19703-1979 Wire of lead brass of grade LS 63-3. Specifications
GOST 23687.2-1979 Alloy of copper-beryllium. Spectral method of the determination of magnesium, iron, aluminium, silicon, lead

HU-MSZT

MNOSZ 8672-1952 Chemical testing of copper and copper alloys. Copper and lead content testing
MNOSZ 8675-1952 Chemical testing of copper and copper alloys. Lead content testing

VN-TCVN

TCVN 5920-1995 Copper and copper alloys.Determination of lead.Extracting titration method

Standard Association of Australia （SAA）

AS 1515.1:1994(R2016) Copper alloys - Determination of lead in copper alloys (flame atomic absorption spectrometric method)
AS 1515.1:1994 Copper alloys - Determination of lead in copper alloys (flame atomic absorption spectrometric method)
AS 1671.3:1987 Lead and lead alloys - Determination of high concentrations of antimony in lead alloys containing not more than 2.5 percent arsenic and 1 percent copper - Titrimetric method
AS 1671.2:1987 Lead and lead alloys - Determination of low concentrations of antimony in lead alloys containing not more than 2.5% arsenic and 0.10% copper - Titrimetric method
AS 1671.2:1987(R2016) Lead and lead alloys - Determination of low concentrations of antimony in lead alloys containing not more than 2.5% arsenic and 0.10% copper - Titrimetric method
AS 1671.3:1987(R2016) Lead and lead alloys - Determination of high concentrations of antimony in lead alloys containing not more than 2.5 percent arsenic and 1 percent copper - Titrimetric method
AS K209.1:1970 Methods for the analysis of copper alloys, Part 1: Lead in copper alloys (atomic absorption spectrometric method)

PL-PKN

PN H04725-11-1991 Chemical analysis of foundry copper-base alloys Detcrmination of lead content
PN H04721-12-1990 Chemical analysis of alloyed copper Determination of lead

SE-SIS

SIS 14 52 04-1970 Copper-lead-tin-zinc alloy 52 04

IT-UNI

UNI 5707-1965 Plastic processing of copper alloys. Lead copper. Cu 63%. Zn35%. Pb 2%1)
UNI 5705-1965 Copper alloys for plastic processing Leaded brass with Cu 58% Zn 40% Pb 2% Partially replaces UNI 2012
UNI 5706-1965 Plastic processing of copper alloys. Lead copper. Cu 59%. Zn 39%. Pb 2%1)
UNI 7849-1978 Chemical analysis of ferrous metal materials. Determination of lead in copper and copper alloys

Spanish Association for Standardization (UNE)

UNE 7350:1976 DETERMINATION OF COPPER ALLOYS AND COPPER LEAD CONTENT BY ATOMIC ABSORPTION METHOD.
UNE-EN 50307:2003 Lead and lead alloys - Lead and lead alloy sheaths and sleeves of electric cables
UNE-EN 13086:2001 Lead and lead alloys. Lead oxides.
UNE-EN 15622:2011 Copper and copper alloys - Determination of lead content - Flame atomic absorption spectrometric method (FAAS)

YU-JUS

JUS C.A1.197-1979 Methods for chemical analysis of copper and copper alloys. Eletrogravimetric determination oflead and copper alloys
JUS C.A1.192-1979 Methodsfor chemical analysis ofcopper and copper alhys. Titrimetric determination oflead
JUS C.A1.160-1980 Methods for chemical analysis of copper and copper alloys. Spectrophotometric determinat/on of lead i oopper

International Organization for Standardization (ISO)

ISO 3112:1975 Copper and copper alloys; Determination of lead; Extracting titration method
ISO 426-2:1983 Wrought copper-zinc alloys; Chemical composition and forms of wrought products; Part 2 : Leaded copper-zinc alloys
ISO 426-1:1983 Wrought copper-zinc alloys; Chemical composition and forms of wrought products; Part 1 : Non-leaded and special copper-zinc alloys
ISO 426-1:1973 Title missing - Legacy paper document

Association Francaise de Normalisation

NF A06-708:1969 CHEMICAL ANALYSIS OF COPPER AND ITS ALLOYS. POLAROGRPAHIC DETERMINATION OF LEAD.
NF A58-001*NF EN 12659:1999 Lead and lead alloys. Lead
NF EN 15622:2010 Copper and copper alloys - Determination of lead - Flame atomic absorption spectrometry (SAAF) method
NF A51-105:1984 SEMI-FINISHED PRODUCTS MADE OF COPPER AND COPPER ALLOYS. BARS,WIRES AND SECTIONS MADE OF LEADED BRASSES. CHARACTERISTISTICS.
NF A06-701:1967 Chemical analysis of copper and copper alloys. Dissolving electrolytic determination of copper lead separation.
NF A51-406:1977 COPPER AND COPPER ALLOY SEMI-FINISHED PRODUCTS. EXTRUDED L-SHAPED LEAD BRASS PROFILES OF SIMPLE SECTION. DIMENSIONS AND TOLERANCES.
NF A51-408:1977 COPPER AND COPPER ALLOY SEMI-FINISHED PRODUCTS. EXTRUDED T-SHAPED LEAD BRASS PROFILES OF SIMPLE SECTION. DIMENSIONS AND TOLERANCES.
NF C32-051*NF EN 50307:2003 Lead and lead alloys - Lead and lead alloys sheaths and sleeves of electric cables
NF A51-409:1977 COPPER AND COPPER ALLOY SEMI-FINISHED PRODUCTS. EXTRUDED U-SHAPED LEAD BRASS PROFILES OF SIMPLE SECTION. DIMENSIONS AND TOLERANCES.
NF EN 50307:2003 Lead and lead alloys - Lead and lead alloy sheaths and sleeves for electrical cables
NF A58-004*NF EN 13086:2000 Lead and lead alloys - Lead oxides
NF A51-437:1977 COPPER AND COPPER ALLOY SEMI-PRODUCTS. COLD FORMED LEAD BRASS HOLLON BARS. TOLERANCES AND DIMENSIONS.
NF A08-707*NF EN 15622:2010 Copper and copper alloys - Determination of lead content - Flame atomic absorption spectrometric method (FAAS).
NF A06-707:1967 Chemical analysis of copper and its alloys - Electrolytic determination of lead

DIN

DIN SPEC 2701:2017 Unleaded copper alloys - Ingots and castings made of CuSn4Zn2PS; Text in German and English

GOSTR

GOST 6689.20-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of lead

Danish Standards Foundation

DS/EN 12659:2001 Lead and lead alloys - Lead
DS/EN 50307:2003 Lead and lead alloys - Lead and lead alloy sheaths and sleeves of electric cables
DS/EN 13086:2001 Lead and lead alloys - Lead oxides
DS/EN 15622:2010 Copper and copper alloys - Determination of lead content - Flame atomic absorption spectrometric method (FAAS)

European Committee for Standardization (CEN)

EN 12659:1999 Lead and lead alloys - Lead
EN 611-1:1995 Tin and tin alloys - Pewter and pewterware - Part 1: Pewter
EN 13086:2000 Lead and lead alloys - Lead oxides

Lithuanian Standards Office

LST EN 12659-2000 Lead and lead alloys - Lead
LST EN 50307-2003 Lead and lead alloys. Lead and lead alloy sheaths and sleeves of electric cables
LST EN 13086-2002 Lead and lead alloys - Lead oxides
LST EN 15622-2010 Copper and copper alloys - Determination of lead content - Flame atomic absorption spectrometric method (FAAS)

German Institute for Standardization

DIN EN 12659:1999 Lead and lead alloys - Lead; German version EN 12659:1999
DIN EN 12659:1999-11 Lead and lead alloys - Lead; German version EN 12659:1999
DIN 50507:1977-07 Chemical analysis of copper and copper alloys; determination of lead, extracting-titration method
DIN SPEC 2701:2017-10 Unleaded copper alloys - Ingots and castings made of CuSn4Zn2PS
DIN SPEC 2701:2018-12 Unleaded copper alloys - Ingots and castings made of CuSn4Zn2PS; Text in German and English
DIN EN 13086:2000 Lead and lead alloys - Lead oxides; German version EN 13086:2000
DIN EN 50307:2003 Lead and lead alloys - Lead and lead alloy sheaths and sleeves of electric cables; German version EN 50307:2002
DIN EN 50307:2003-10 Lead and lead alloys - Lead and lead alloy sheaths and sleeves of electric cables; German version EN 50307:2002
DIN EN 15622:2010-06 Copper and copper alloys - Determination of lead content - Flame atomic absorption spectrometric method (FAAS); German version EN 15622:2010
DIN 50507:1977 Chemical analysis of copper and copper alloys; determination of lead, extracting-titration method

SAE - SAE International

SAE AMS4824E-2015 BEARINGS@ BABBITT-COATED LEADED-BRONZE Steel Back
SAE AMS4824D-1991 Bearings@ Babbitt-Coated Leaded-Bronze Steel Back
SAE AMS4824C-1986 BEARINGS@ BABBITT-COATED LEADED-BRONZE Steel Back
SAE AMS4824A-1951 BEARINGS@ BABBITT COATED BRONZE Steel Back
SAE AMS4824B-1981 BEARINGS@ BABBITT-COATED LEADED-BRONZE Steel Back

Society of Automotive Engineers (SAE)

SAE AMS4824D-2009 BEARINGS, BABBITT-COATED LEADED-BRONZE Steel Back
SAE AMS4824D-1992 (Noncurrent)Bearings, Babbitt-Coated Leaded-Bronze Steel Back

IPC - Association Connecting Electronics Industries

IPC SPVC-WP-006-2003 ROUND ROBIN TESTING AND ANALYSIS LEAD-FREE ALLOYS TIN@ SILVER and COPPER

PT-IPQ

NP 1210-1976 Copper alloy. Leaded bronze castings. F-Cu-Sn 10 Pb 10 related properties

European Committee for Electrotechnical Standardization（CENELEC）

EN 50307:2002 Lead and lead alloys - Lead and lead alloy sheaths and sleeves of electric cables

PK-PSQCA

PS 1421-1978 SPECIFICATION FOR CHEMICAL ANALYSIS OF COPPER AND COPPER ALLOYS. SAMPLING OF COPPER REFINERY SHAPES.

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