Promptus Inc Electronic Hardware | Technical Information | Promptus is the nation's leading suppliers

Steel Codes and Description

 

Plating Code

Plating Description

Appearance

RoHS Compliant

X

Cadmium (Commercial)

Dull Silver Gray

No

W

Cadmium QQ-P-416F -Class 2
Type - 1 (Clear Chromate)

Dull Silver Gray

No

V

Cadmium QQ-P-416F -Class 2
Type - 2 (Color Chromate)

Iridescent

No

T1

Nickel QQ-N-290
Class 1 Grade G

A reflective finish.

Yes

O

Chrome QQ-C-320B Class 1
Type 1 (Bright Finish)

Bright Finish

Yes

N

Chrome QQ-C-320B Class 1
Type II (Satin Finish)

Satin Finish

Yes

M

Zinc .0002 ASTM -B-633
(Clear Chromate )

Bright Finish

Yes

K

Bright Tin

Bright finish

Yes

J

Hot Tin Dip MIL-T-10727C
Type II

Silver / Gray Appearance

Yes

I

Electro Tin ASTM B545
Class A or B

Silver / Gray Appearance

Yes

Z

Black Oxide, Stainless Steel, Steel
MIL-DTL-13924D, Class 1 and 4

Black Non-Cosmetic Appearance

Yes

M1

Zinc Plate .0002 ASTM -B-633
(Yellow Chromate)

Yellow to Gold depending on Iridescense.

Yes

M2

Black Zinc

Black

Yes