ASTM A249 AISI 304 Stainless Steel Welded Tube For Heat Exchanger

Product Details

ASTM A249 AISI 304 Stainless Steel Welded Tube for Heat Exchanger

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.

5) Application: Widely use in the foodstuff, medical equipment, power, boiler, cooler, auto, condenser etc.

6) Packing: inner packing: 1 pc/plastic bag; outer packing: bundles in weaving bags or in wooden case.

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

2.00

0.045

0.030

1.00

18.0-20.0

8.0-12.0

^

^

^

^

TP316

0.08

2.00

0.045

0.030

1.00

16.0-18.0

10.0-14.0

2.00-3.00

^

^

^

TP316L

0.035 D

2.00

0.045

0.030

1.00

16.0-18.0

10.0-15.0

2.00-3.00

^

^

^

TP321

0.08

2.00

0.045

0.030

1.00

17.0-19.0

9.0-12.0

^

^

^

5C -0.70

TP347

0.08

2.00

0.045

0.030

1.00

17.0-19.0

9.0-12.0



10C -1.10

^

Material

Heat treatment

Temperature F (C) Min.

Hardness

Brinell

Rockwell

TP304

Solution

1900 (1040)

192HBW/200HV

90HRB

TP304L

Solution

1900 (1040)

192HBW/200HV

90HRB

TP316

Solution

1900(1040)

192HBW/200HV

90HRB

TP316L

Solution

1900(1040)

192HBW/200HV

90HRB

TP321

Solution

1900(1040) F

192HBW/200HV

90HRB

TP347

Solution

1900(1040)

192HBW/200HV

90HRB

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

± 0.005(0.13)

± 10

1 / 8 (3.2)

0

> 1 1 / 2 ~< 3 1 / 2

± 0.010(0.25)

± 10

3 / 16 (4.8)

0

> 3 1 / 2 ~< 5 1 / 2

± 0.015(0.38)

± 10

3 / 16 (4.8)

0

> 5 1 / 2 ~< 8

± 0.030(0.76)

± 10

3 / 16 (4.8)

0

8~< 12

± 0.040(1.01)

± 10

3 / 16 (4.8)

0

12~< 14

± 0.050(1.26)

± 10

3 / 16 (4.8)

0

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Any questions or inquiries will be highly appreciated.

Kindly please contact us freely at gracewang@ruichengsteel.cn

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