ASTM A789 Duplex Stainless Steel Weld Pipe/Tube

Standard

ASTM A554,ASTM A312

Material Grade

201,202,304,316,316L,430,409L,430,410,420J1,420J2

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%)

e)

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

Industrial air conditioning,heater,evaporator, condenser,Construction, Pharmacy, Power, 

Petrochemical,car exhaust pipes,underfloor heating pipe,water pipe,oil pipe,gas pipe

Test

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

Tensile Strength

≥535

≥520

≥520

≥520

Yield Strength

≥245

≥205

≥205

≥205

Extension

≥30%

≥30%

≥35%

≥35%

Hardness (HV)

<105

<100

<90

<90

 Chemical Composition

201

202

301

304

316

430

C

≤0.08

≤0.06

≤0.06

≤0.06

≤0.08

≤0.12

S

≤0.02

≤0.02

≤0.03

≤0.03

≤0.03

≤0.03

P

≤0.075

≤0.06

≤0.045

≤0.035

≤0.045

≤0.04

Mn

8.5-10.5

8.5-10.5

≤2.0

≤2.0

≤2.0

≤1.0

Si

≤1.0

≤1.0

≤1.0

≤1.0

≤1.0

≤1.0

Cr

14-15

14-16

16-18

17-20

16-18

16-18

Ni

0.8-1.2

4--6

4--7

8--12

12--16

≤0.05

1) Company Name

Hunan Green & Innovative Materials Co., LTD.,

2) Business Type 

Manufacturer

3) Number of Employees

100-150people

4)Factory Size

17,400 square meters

5) Trade & Market

North America ,South America ,Eastern Europe ,Southeast Asia ,Eastern Europe ,Western Europe

6) Export Percentage

50% - 60%

7)Application

Industrial air conditioning,heater,evaporator, condenser,Construction, Pharmacy, Power, 

Petrochemical,car exhaust pipes,underfloor heating pipe,water pipe,oil pipe,gas pipe

8) Attention

products all with high quality and competitive price