Name

Stainless steel bathroom door handle

Standard

ASTM A554,A312,A249,A269 and A270

Material Grade

304,316,201,202,316L,430

Main Material

a) 201 (Ni0.8%-1%)

b) 202 (Ni: 3.5%-4.5%)c) 304 (Ni: 8% Cr: 18%)

d) 316 (Ni: 10% Cr: 18%)

Size Range

we can also accept sizes above mm

Thickness

1.0mm

Length

as customers’ request

Tolerance

a)Outer Diameter; +/-0.2mm

b)Thickness; +/-0.02mm

c)Length;+/-5mm

Surface

180G, 320G, 400G Satin / Hairline

400G, 500G, 600G or 800G Mirror finish

Application

bathroom handle

Test

Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT

Chemical Composition of Material

Composition

201

202

304

316

430

C

≤0.15

≤0.15

≤0.08

≤0.08

≤0.12

Si

≤1,00

≤1,00

≤1,00

≤1.00

≤1.00

Mn

5.5-7.5

7.5-10

≤2.00

≤2.00

≤1.00

P

≤0.06

≤0.06

≤0.045

≤0.045

≤0.040

S

≤0.03

≤0.03

≤0.030

≤0.030

≤0.030

Cr

12.5-14.5

15-18

18-20

16-18

16-18

Ni

0.8-1.5

4-6

8-10.5

10-14

Mo

2.0-3.0

Mechanical Property

Material Item

201

202

304

316

Tensile Strength

≥535

≥520

≥520

≥520

Yield Strength

≥245

≥205

≥205

≥205

Extension

≥30%

≥30%

≥35%

≥35%

Hardness(HV)

<253

<253

<200

<200