ASTM A376 Grade 321 Stainless Steel Seamless Pipes




ASTM A376 TP321 Pipe Manufacturer in India, ASTM A376 Grade 321 Stainless Steel Pipe Supplier

ASTM A376 TP 321 Stainless Steel Seamless Pipe Supplier

Superior Steel Overseas is a distinguished supplier, exporter and manufacturer of ASTM A376 TP321 Stainless Steel Seamless Pipe. We offer ASTM A376 SS 321 Seamless Pipe at customized sizes and shapes for our valuable customers as per their requirements. ASTM A376 SS 321 Pipe may be either hot finished or cold finished, with a suitable finishing treatment.Our offered ASTM A376 TP321 seamless pipes are used aircraft exhaust manifolds, furnace parts, heat exchangers, furnace parts etc. All ASTM A376 Stainless Steel 321 Pipes main advantage an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500° F (427 to 816° C). ASTM A376 Seamless Pipes manufactured using high-quality raw materials and state-of-the-art quality control measures. We are largest stockholder of ASTM A376 TP321 Pipe in various shapes and specification like ASTM A376 TP321 Stainless Steel Round Pipe, ASTM A376 TP321 Stainless Steel Triangle Pipe, ASME SA / ASTM A376 TP321 Stainless Steel Square Pipe, ASTM A376 TP321 Stainless Steel Rectangular Pipe and many more in sch 120, sch80, sch60 etc. Buy ASME SA376 TP321 Seamless Pipe at lowest price in india from us.

ASTM A376 TP321 Stainless Steel Pipe Specification

Specification
ASTM A-376 & ASTM / ASME SA376
Grades
304,304H, 304LN,304N,316,316H,316N,316LN,321,347,347H,348
Type
SEAMLESS
Outer Diameter Size
 6mm-630mm.
Wall Thickness
1mm-30mm.5S,10S,40S,80S
Length
4-13m,5.8m,6m or according to customers’ requests.
Tolerances
Meet the standard.
Surface
 Pickled & Annealed.
Other Testing
Product Analysis, Transverse Tension Test, Flattening Test, Etching Test, Radiographic Examination, Stabilizing Heat Treatment, Intergranular Corrosion Test, Weld Decay Test, Magnetic Particle Detection, Grain Size Test, NACE 0175, Dual Grade, PWHT (POST WELD HEAT TREATMENT), Flare Test, Bend Test, Hardness Test, Tensile Test etc
Value Added Services
Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment
Packaging
 Each in a PVC bag, Bundle with knitted plastic bag, wooden case or according to customers’ request.
Material Test Certificate
Eddy current / hydrostatic/ Ultrasonic/ Intergranular Corrosion or according to customers’ request.
Delivery
By Road – Truck / Train, By Sea – Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 30 Feet Container / 35 Feet Container / High Cube Container / Open Top Container, By Air – Freighter Civil Passenger and Cargo Planes

ASTM A376 TP321 Pipe Dimensions

Nominal Pipe Size

OD

Schedule 5S1

Schedule 10S1

Schedule 40S

Schedule 80S

               

in

mm

in

mm

kg/m

in

mm

kg/m

in

mm

kg/m

in

mm

kg/m

1/8

0.405

10.3

0.049

1.24

0.28

0.068

1.73

0.37

0.095

2.41

0.47

1/4

0.540

13.7

0.065

1.65

0.49

0.088

2.24

0.63

0.119

3.02

0.80

3/8

0.675

17.1

0.065

1.65

0.63

0.091

2.31

0.84

0.126

3.20

1.10

1/2

0.840

21.3

0.065

1.65

0.80

0.083

2.11

1.00

0.109

2.77

1.27

0.147

3.73

1.62

3/4

1.050

26.7

0.065

1.65

1.03

0.083

2.11

1.28

0.113

2.87

1.69

0.154

3.91

2.20

1

1.315

33.4

0.065

1.65

1.30

0.109

2.77

2.09

0.133

3.38

2.50

0.179

4.55

3.24

11/4

1.660

42.2

0.065

1.65

1.65

0.109

2.77

2.70

0.140

3.56

3.39

0.191

4.85

4.47

11/2

1.900

48.3

0.065

1.65

1.91

0.109

2.77

3.11

0.145

3.68

4.05

0.200

5.08

5.41

2

2.375

60.3

0.065

1.65

2.40

0.109

2.77

3.93

0.154

3.91

5.44

0.218

5.54

7.48

21/2

2.875

73.0

0.083

2.11

3.69

0.120

3.05

5.26

0.203

5.16

8.63

0.276

7.01

11.41

3

3.500

88.9

0.083

2.11

4.51

0.120

3.05

6.45

0.216

5.49

11.29

0.300

7.62

15.27

31/2

4.000

101.6

0.083

2.11

5.18

0.120

3.05

7.40

0.226

5.74

13.57

0.318

8.08

18.63

4

4.500

114.3

0.083

2.11

5.84

0.120

3.05

8.36

0.237

6.02

16.07

0.337

8.56

22.32

5

5.563

141.3

0.109

2.77

9.47

0.134

3.40

11.57

0.258

6.55

21.77

0.375

9.53

30.97

6

6.625

168.3

0.109

2.77

11.32

0.134

3.40

13.84

0.280

7.11

28.26

0.432

10.97

42.56

8

8.625

219.1

0.109

2.77

14.79

0.148

3.76

19.96

0.322

8.18

42.55

0.500

12.70

64.64

10

10.750

273.1

0.134

3.40

22.63

0.165

4.19

27.78

0.365

9.27

60.31

0.5002

12.702

96.012

12

12.750

323.9

0.156

3.96

31.25

0.180

4.57

36.00

0.3752

9.532

73.882

0.5002

12.702

132.082

14

14.000

355.6

0.156

3.96

34.36

0.1882

4.782

41.302

16

16.000

406.4

0.165

4.19

41.56

0.1882

4.782

47.292

18

18.000

457

0.165

4.19

46.81

0.1882

4.782

53.262

20

20.000

508

0.188

4.78

59.25

0.2182

5.542

68.612

22

22.000

559

0.188

4.78

65.24

0.2182

5.542

75.532

24

24.000

610

0.218

5.54

82.47

0.250

6.35

94.45

30

30.000

762

0.250

6.35

118.31

0.312

7.92

147.36

Chemical Composition Of ASTM A376 Stainless Steel 321 Seamless Pipes

Grade C Mn Si P S Cr Mo Ni N Other
321 min. 
max
– 
0.08
2.00 0.75 0.045 0.030 17.0 
19.0
9.0 
12.0
0.10 Ti=5(C+N) 
0.70

ASTM A376 TP321 Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
321 515 205 40 95 217

ASTM A376 TP321 Stainless Steel Seamless Tubes Physical Properties

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (μm/m/°C) Thermal Conductivity (W/m.K) Specific Heat 0-100°C (J/kg.K) Electrical Resistivity (nΩ.m)
0-100°C 0-315°C 0-538°C at 100°C at 500°C
321 8027 193 16.6 17.2 18.6 16.1 22.2 500 720

ASTM A376 TP 321 Seamless Pipe Tolerances

Nominal Pipe Size Inches Outside Diameter Tolerances
A376 TP321 Seamless
Plus Minus
1/8 IPS to 11/2 IPS incl. .015î .031î
2 IPS to 4 IPS incl. .031î .031î
5 IPS to 8 IPS incl. .062î .031î
10 IPS to 12 IPS incl. .093î .031î
Wall Tolerances By Wt. 12.5%
Weight Tolerances 10.0% 3.5%

Seamless Pipe Pressure Rating For ASTM A376 TP321

 

ASTM
Spec No.

 

Grade

Min Temp
°F
(for °C see Notes)

Metal Temperature, °F (°C)

 

Notes

Min Temp to 100
(37.8)

300
(149)

500
(260)

700
(371)

850
(454)

1000
(538)

1150
(621)

1300
(704)

1400
(760)

1500
(816)

Basic Allowable Stress, S ksi

A 376

TP321

-425

20.0

20.0

17.5

16.0

14.9

13.8

7.7

3.7

2.3

1.4

2, 4, 5, 8

A 376

TP321H

-325

20.0

20.0

17.5

16.0

14.9

13.8

7.7

3.7

2.3

1.4

2, 5, 8

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