A249 welded stainless steel tube mill

Product Details

Product description:

We are top China supplier ASTM A249 AISI 304 stainless steel welded tube for heat exchanger. We are the leading manufacturer specialized in the production of stainless steel seamless tubes, bright annealed tubes, seamless coiled tubing, etc. For the convenience of our customers, we also have welded pipes and tubes. Our products always satisfy our customers. Customers buy more of our products and create more profits.

The available grades of this tube are ASTM A249 Gr.316L/304/304L/310S and so on. Types are welded austenitic steel boilers, superheaters, heat exchangers and condenser tubes. Our supplying size range is 4.0-76.2mm O.D. x 0.4-2.5mm thickness, and the length is up to six meters, custom cut length. If there are any inquiries or questions, please contact us freely.

Product specification:

1) Diameters: 4 - 76.2mm

2) W.T.: 0.4 - 2.5mm

3) Grades: 316L/304/304L/310S, etc.

4) Standard: GB/ISO/EN/ASTM/JIS, etc.

Product application:

ASTM A249 AISI 304 Stainless Steel Welded Tube for Heat Exchanger, it is widely used in the foodstuff, medical equipment, power, boiler, cooler, auto, condenser etc.

a) for fluid and gas transport

b) Structure and processing

c) heat exchanger pipes, etc.

Material

ASTM A249  Chemical Composition % Max

C

Mn

P

S

Si

Cr

Ni

Mo

N B

Nb

Ti

TP304

0.08

2.00


0.045


0.030


1.00


18.0-20.0


8.0-11.0

^

^

^ .

^

TP304L

0.035

8.0-12.0

^

^

^

^

TP316

0.08

16.0-18.0


10.0-14.0

2.00-3.00


^

^

^

TP316L

0.035 D

10.0-15.0

^

^

^

TP321

0.08


17.0-19.0


9.0-12.0


^

^

^

5C -0.70

TP347



10C -1.10

^

Material

Heat treatment

Temperature F (C) Min.

Hardness

Brinell

Rockwell

TP304

      Solution


1900 (1040)


192HBW/200HV


90HRB


TP304L

TP316

TP316L

TP321

1900(1040) F

TP347

1900(1040)

OD, inch

OD Tolerance inch(mm)

WT Tolerance %

Length Tolerance inch(mm)

+

-

= 1 / 2

± 0.005 ( 0.13 )

± 15

1 / 8  ( 3.2 )

0


> 1 / 2 ~1 1 / 2

± 10


> 1 1 / 2 ~< 3 1 / 2

± 0.010(0.25)

3 / 16 (4.8)


> 3 1 / 2 ~< 5 1 / 2

± 0.015(0.38)

> 5 1 / 2 ~< 8

± 0.030(0.76)

8~< 12

± 0.040(1.01)

12~< 14

± 0.050(1.26)

Product display:

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