Half Rounds-Cold Finished

Half Rounds-Cold Finished

Application: handrail, railing, staircase, weldmesh screen,door,window, balcony, fence, bench, furniture, etc
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Product Details

Name

304 304L Half-finished round telescopic stainless steel tube

Standard

ASTM A554,ASTM A312

Material Grade

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

Main Material

a) 201 (Ni0.8%-1%)
b) 202 (Ni: 3.0%-4.0%)
c) 304 (Ni: 8% Cr: 18%)
d) 316 (Ni: 10% Cr: 18%)

Size Range

139mm-1600mm ETC.

Thickness

0.5-30mm

Length

6m or as customers' request


Tolerance

a) Outer Diameter: +/- 0.2mm

b) Thickness: +/- 0.02mm

c) Length: +/- 5mm

Surface

180G, 320G Satin/Hairline
400G, 600G Mirror finish

Application

handrail, railing, staircase, weldmesh screen, door, window, balcony, fence,  bench, furniture, etc

Test

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





Chemical Composition of Material


Material


Composition

201

202

304

316L

430

C

≤0.15

≤0.15

≤0.08

≤0.035

≤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

13-15

14-17

18-20

16-18

16-18

Ni

0.7-1.1

3.5-4.5

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)

<105

<100

<90

<90


After sales service

· After receive the goods, We hope to get your feedback at first time.

· We could provide installation guide, if you need, we could give you global service.

· Our Sales are 24-hours online for your request.


Professional sales

· We value every inquiry sent to us, ensure quick competitive offer.

· We cooperate with customer to bid tenders. Provide all necessory document.

· We are a sales team, with all techinical support from engineer team.


Inquiry

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