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TECHNICAL INFORMATION

 

          Industrial Metal

          Products Co., Inc.
          15 Merchant St.
          Sharon, MA 02067
          Tel: 781.327.1000
          Fax: 781.784.6075

 

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        ISO 9001:2000

 

     PLATING

Applied On

Purpose
Anodize

Aluminum

Durable decorative coating. Nonconductive. Available in many colors. Thickness build up: .00005" - .0010"
Black Oxide

Steel

(ferrous metals)

Thin decorative coating. Very little corrosion protection.

Good on moving parts. Should be oiled.

Chromate

Aluminum

(non ferrous)

AKA Chem Film, Iridite, Alodine, etc. Corrosion control or paint primer. Conductive. Easily scratched. Normally yellow.

Specify CLEAR if needed.

Chrome

Copper over Steel

Hard, durable, decorative finish. Low coefficient of friction. Pretty, but pricey.
Copper

Ferrous or nonferrous

Used for undercoating, to eliminate buffing, to lubricate,

to prevent case hardening, to enable tinning, etc.

Gold

nonferrous

Conductive decorative corrosion resistance. Really pricey.
Electroless Nickel

nonferrous or

Copper over steel

Decorative, durable, moderate corrosion protection.

Electroless can cover into tight corners.

Nickel

nonferrous or

Copper over steel

Hard, durable, corrosion protection.
Passivate

Stainless Steel

Removes iron from surface to reduce rusting.
Silver

nonferrous or over copper flash

Decorative, conductive, corrosion resistance, lubricity.
Tin

nonferrous or over copper flash

Improves solderability & conductivity.
Zinc

Steel

Corrosion control or paint primer. Electro-deposited, does not cover well on inside corners and closed hems.

TYPE I (NO CHROMATE). TYPE II (YELLOW CHROMATE). TYPE III (CLEAR CHROMATE).

  

POWDER COATING

Epoxy

Hybrid

Aromatic

Urethane

Aliphatic

Urethane

TGIC

Polyester

Hardness 5 4 3 3 4
Flexibility 5 5 5 5 5
Overbake Stability 2 3 2 5 5
Exterior Durability 1 1 1 5 5
Corrosion Protection 5 4 3 3 4
Chemical & Solvent Resistance 5 3 3 3 3
Ease of Application 4 5 4 4 5

1 least  -  5 best  

GAUGE to INCHES to MILLIMETERS

 

 

ALUMINUM

 

STEEL

 

Gage

(mm)

(inches)

 

(inches)

(mm)

3

5.827

.2294

 

.2391

6.073

4

5.189

.2043

 

.2242

5.695

5

4.620

.1819

 

.2092

5.314

6

4.115

.1620

 

.1943

4.935

7

3.665

.1443

 

.1793

4.554

8

3.264

.1285

 

.1644

4.176

9

2.906

.1144

 

.1495

3.797

10

2.588

.1019

 

.1345

3.416

11

2.304

.0907

 

.1196

3.030

12

2.052

.0808

 

.1046

2.657

13

1.829

.0720

 

.0897

2.278

14

1.628

.0641

 

.0747

1.897

15

1.450

.0571

 

.0673

1.709

16

1.290

.0508

 

.0598

1.519

 

 

ALUMINUM

 

STEEL

 

Gage

(mm)

(inches)

 

(inches)

(mm)

17

1.151

.0453

 

.0538

1.367

18

1.024

.0403

 

.0478

1.214

19

.0912

.0359

 

.0418

1.062

20

.813

.0320

 

.0359

0.912

21

.724

.0285

 

.0329

0.836

22

.643

.0253

 

.0299

0.759

23

.574

.0226

 

.0269

0.683

24

.511

.0201

 

.0239

0.607

25

.455

.0179

 

.0209

0.531

26

.404

.0159

 

.0179

0.455

27

.361

.0142

 

.0164

0.417

28

.320

.0126

 

.0149

0.378

29

.287

.0113

 

.0135

0.343

30

.254

.0100

 

.0120

0.305

 

 

 

 

in Metal

 

Industrial Metal Products Co., Inc.
15 Merchant St. Sharon, MA 02067
Tel: (781) 327.1000 Fax: (781) 784-6075

E-Mail: info@inmetal.com