Standard

ASTM  A268,

Material Grade

409, 439, 441,444,

OD(mm)

6mm – 101.6mm

WT(mm)

0.3mm – 2.5mm

L(mm)

500mm – 40000mm

Delivery Condition

Bright Anneal, Pickled Or 2B finish

Tolerance

According to ASTM A268

Main  process

Welding, Anneal

Certificate

ISO 9001:2008

Packing

Bundles With Plastic Bags, Wooden Box With Angle Steel Frame Or others

Payment Terms

T/T, L/C at sight

Delivery Time

Generally 15Days – 45Days Or Depends on the quantity and Customers’ Request

Capacity

1000 Tons Per Month

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:

ISO System

Manufacture License of Pressure Tube

Production experience about 20 years.

Raw Material are from POSCO,BAO STEEL,TISCO,CRUPP ETC

Market -More than 30 countries worldwide.

We have the most convenient transport from shanghai and timely delivery.

We offer competitive prices based on good quality.

We have high technical production line with top quality products.

We have win high reputation based on good quality.

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