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Tin Specification

TIN MATERIAL SPECIFICATION

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23 views2 pages

Tin Specification

TIN MATERIAL SPECIFICATION

Uploaded by

qaiserfiaz11
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Tin (Sn) General Specifica on

Chemical Composi on (Commercially Pure Tin)

 Tin (Sn): ≥ 99.8% (depending on grade, ASTM B339, ISO 209)

 Lead (Pb): ≤ 0.05%

 An mony (Sb): ≤ 0.02%

 Copper (Cu): ≤ 0.01%

 Iron (Fe): ≤ 0.01%

 Other impuri es (Bi, As, etc.): ≤ 0.01% each

Mechanical Proper es

 Tensile Strength: 20 – 40 MPa (so metal)

 Yield Strength: ~ 10 – 15 MPa

 Elonga on: 40 – 50%

 Hardness: ~ 5 – 10 HB (very so )

 Modulus of Elas city (E): ~ 50 GPa

Physical Proper es

 Density: 7.29 g/cm³

 Mel ng Point: 231.9 °C (low mel ng)

 Boiling Point: 2,602 °C

 Thermal Conduc vity: 67 W/m·K

 Electrical Conduc vity: ~ 15% IACS

 Crystal Structure: Tetragonal

Key Characteris cs

 So , malleable, duc le
 Excellent corrosion resistance in air & water (forms protec ve oxide film)

 Non-toxic (important for food industry applica ons)

 Good soldering proper es (low mel ng point)

Applica ons

1. Solders (Sn–Pb, Sn–Ag, Sn–Cu alloys) for electronics & plumbing

2. Coa ng (Tin Pla ng) for steel cans (food industry) – corrosion protec on

3. Alloys

o Bronze (Cu–Sn)

o Babbi metal (bearing alloys, Sn–Sb–Cu)

o Pewter (Sn–Sb–Cu)

4. Glass industry – float glass process (molten glass floats on molten n)

5. Chemicals – Tin salts & organo n compounds (stabilizers, catalysts)

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