Name：

Square Washer

Material Standard

ASTM A1082

Material：

Super Duplex stainless steel  (UNS S31803)

Size：

30 x 25 x 2 mm

Condition：

Solution treated

Inspection：

Dimension inspection,Surface inspection, Crack inspection.

Note:

We also can produce in material : Incoloy series, Inconel series, Monel series, Hastelloy series,
Super duplex stainless steel and so on with size from 1/4” to 3-1/2”.

Any customized products are also acceptable.

Mechanical properties and chemical composition.

Chemical Requirements %

C

Mn

P

S

Si

Cr

Ni

Mo

N

≤0.03

≤2.0

≤0.03

≤0.02

≤1.0

21.0-23.0

4.5-6.5

2.5-3.5

0.08-0.20

Mechanical Properties %

Tensile Strength  Mpa

Yield Strength Mpa

Elongation %

Hardness HRC

≥620

≥450

≥25

≤30