AISI 409 439 441 444 Round Welding Stainless Steel Tube for Oil Tubes , Brackets

Grade

TP405

TP410

TP429

TP430

TP443

TP446–1

TP446–2A

. . .

TP409

UNS Designation

S40500

S41000

S42900

S43000

S44300

S44600

S44600

S40800

S40900

Element

Composition, %

C, max

0.08

0.15

0.12

0.12

0.2

0.2

0.12

0.08

0.08

Mn, max

1

1

1

1

1

1.5

1.5

1

1

P, max

0.04

0.04

0.04

0.04

0.04

0.04

0.04

0.045

0.045

S, max

0.03

0.03

0.03

0.03

0.03

0.03

0.03

0.045

0.03

Si, max

1

1

1

1

1

1

1

1

1

Ni

0.50 max

. . .

. . .

. . .

0.75 max

0.75 max

0.50 max

0.80 max

0.50 max

Cr

11.5–14.5

11.5–13.5

14.0–16.0

16.0–18.0

18.0–23.0

23.0–27.0

23.0–27.0

11.5–13.0

10.5–11.7

Mo

...

...

...

...

...

...

...

...

...

Al

0.10–0.30

. . .

. . .

. . .

. . .

. . .

. . .

. . .

. . .

Cu

. . .

. . .

. . .

. . .

0.90–1.25

. . .

. . .

. . .

. . .

 N

...

...

...

...

...

0.25

0.25

...

...

Ti

...

...

...

...

...

...

...

12 3 C min;

6 3 C min;

1.10 max

0.75 max

 
Competitive Advantages:

1)   We Professionally Manufacture Welded Stainless Steel Tubes About 20years ;

2)   We  Are Approved By Iso 9001 And Manufacture License Of Pressure Tubes.

3)   We Have Friendly And Long Term Business Relationships With The Customers Based On The Good Quality, Timely Delivery And Competitive Prices.

A268 Specification for seamless and welded Ferritic/Martensitic stainless steel tubing for General Service

Item

Contents

Requirements

1

Materail------------

TP409, TP409L, TP430, TP439,TP410, TP441, TP444 Etc

2

Welding Method------

TIG

3

ChemicalComposition-

Acc.to A268 and A480

4

Heat Treatment------

Bright Annealing Or Not Annealing,Which Depends on Buyer

5

Straightness--------

Acc.to the buyer's requirements

6

Tolerance-----------

Acc.to A268

7

Mechanical Property-

Tension Test, Hardness Test, Hydrostatic or Other Nondestructive Test Depends on Buyer

Specifications: