ASME SA269 TP321H Stainless Steel Tube




ASTM A269 TP321H Tubes Supplier, ASTM A269 Stainless Steel Tubing Exporter

ASTM A269 TP 321H Seamless Tube Supplier

Superior Steel Overseas is a renowned supplier, manufacturer, exporter, stockist and distributor of ASTM A269 TP321H Stainless Steel Tubes which can be formed by either hot-working or cold-work using traditional methods. ASTM A269 Stainless steel 321H Seamless Tube is commonly performed via, TIG, MIG as well as submerged arc welding (SAW) using either the matching filler metal for TIG and MIG.SS 321H Tubing shows good thermal resistance and can be wielded by most Standard methods. ASTM A269 Stainless Steel 321H Rectangular Tube is non-magnetic in the annealed condition and can be hardened only by cold working. Titanium is added to the alloy's composition to suppress grain boundary chromium carbide precipitation and reduce susceptibility to intergranular corrosion.Stainless Steel 321H Tube also referred as WNR 1.4878 Seamless Tubes. ASTM A269 SS 321H Square Tube is therefore the stainless steel material of choice for applications in working environments up to 9000 C.  ASTM A269 Stainless Steel 321H Electropolish Tubes is an excellent quality choice for demanding applications where higher strength and tighter tolerances are necessary.ASTM A269 Stainless Steel 321H Tubing widely used in Oil refinery equipment, Industrial Boilers, Pressure Vessels, Chemical and pharmaceutical equipment, Petrochemical refineries, and Chemical process heat exchangers. Buy ASTM A269 SS 321H Tube at affrodable price in India.

ASTM A269 TP321H Stainless Steel Tube Specification

Specification
ASTM A-269 & Its equivalent ASME, DIN & EN Standard.
Grades
202, 304, 304L, 304H, 304LN, 309S, 310S, 316, 316L, 316H, 316Ti, 316LN, 317L, 321, 321H, 347, 347H, 904L, SMO 254, ALLOY 254, 6MO, 6MOLY, UNS S31254 ETC.
Type
SEAMLESS / WELDED / ERW / EFW / COLD DRAW / HOT FINISH / COLD FINISH
Outer Diameter Size
SEAMLESS – 6 MM OD TO 114.3 MM OD
WELDED / ERW- 10 MM TO 114.3 MM OD
Wall Thickness
0.8 MM TO 4 MM WALL THICKNESS
Length
01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size.
Ends
Plain Ends / Beveled Ends
Delivery Conditions
As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered, Cold Draw
Coating
Electropolish, Mechanical Polish, Satin Finish, Passivated
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
Dimension
All Pipes & Tube Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME
Value Added Services
Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment
Packaging
Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector
Material Test Certificate
Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC
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 A269 321H Tubing Sizes

Size 
OD, Inches
BW 
Ga.
Wall 
Dec-In.
ID
Weight 
Lbs/Ft.
1/8
22
0.028
0.069
0.0290
20
0.035
0.055
0.0336
3/16
22
0.028
0.131
0.0478
1/4
25
0.020
0.210
0.0491
22
0.028
0.194
0.0664
21
0.032
0.187
0.0745
20
0.035
0.180
0.0804
18
0.049
0.152
0.1052
16
0.065
0.120
0.1284
5/16
20
0.035
0.242
0.1039
18
0.049
0.214
0.1382
16
0.065
0.182
0.1722
3/8
22
0.028
0.319
0.1038
20
0.035
0.305
0.1271
18
0.049
0.277
0.1706
16
0.065
0.245
0.2152
7/16
18
0.049
0.340
0.2036
1/2
25
0.020
0.460
0.1025
20
0.035
0.430
0.1738
18
0.049
0.402
0.2360
16
0.065
0.370
0.3020
5/8
20
0.035
0.555
0.2205
18
0.049
0.527
0.3014
16
0.065
0.495
0.3888
3/4
20
0.035
0.680
0.2673
18
0.049
0.652
0.3668
16
0.065
0.620
0.4755
14
0.083
0.584
0.5913
7/8
18
0.049
0.777
0.4323
16
0.065
0.745
0.5623
11
0.120
0.635
0.9676
1
20
0.035
0.930
0.3607
18
0.049
0.902
0.4977
16
0.065
0.870
0.6491
14
0.083
0.834
0.8129
11
0.120
0.760
1.1278
1-1/4
11
0.120
1.010
1.4480

ASTM A269 SS 321H Tube Dimensions

OD inches Ave. Wall inches D/t Ratio ID inches Tube Cross Sectional Area (in2) Internal Area (in2)
0.250 0.020 12.50 0.210 0.0145 0.0346
0.250 0.028 8.93 0.194 0.0195 0.0296
0.250 0.035 7.14 0.180 0.0236 0.0254
0.250 0.049 5.10 0.152 0.0309 0.0181
0.250 0.065 3.85 0.120 0.0378 0.0113
0.375 0.020 18.75 0.335 0.0223 0.0881
0.375 0.028 13.39 0.319 0.0305 0.0799
0.375 0.035 10.71 0.305 0.0374 0.0731
0.375 0.049 7.65 0.277 0.0502 0.0603
0.375 0.065 5.77 0.245 0.0633 0.0471
0.500 0.020 25.00 0.460 0.0302 0.1662
0.500 0.028 17.86 0.444 0.0415 0.1548
0.500 0.035 14.29 0.430 0.0511 0.1452
0.500 0.049 10.20 0.402 0.0694 0.1269
0.500 0.065 7.69 0.370 0.0888 0.1075
0.500 0.083 6.02 0.334 0.1087 0.0876
0.625 0.020 31.25 0.585 0.0380 0.2688
0.625 0.028 22.32 0.569 0.0525 0.2543
0.625 0.035 17.86 0.555 0.0649 0.2419
0.625 0.049 12.76 0.527 0.0887 0.2181
0.625 0.065 9.62 0.495 0.1144 0.1924
0.625 0.083 7.53 0.459 0.1413 0.1655
0.625 0.095 6.58 0.435 0.1582 0.1486
0.625 0.109 5.73 0.407 0.1767 0.1301
0.750 0.028 26.79 0.694 0.0635 0.3783
0.750 0.035 21.43 0.680 0.0786 0.3632
0.750 0.049 15.31 0.652 0.1079 0.3339
0.750 0.065 11.54 0.620 0.1399 0.3019
0.750 0.083 9.04 0.584 0.1739 0.2679
0.750 0.095 7.89 0.560 0.1955 0.2463
0.750 0.109 6.88 0.532 0.2195 0.2223
0.750 0.120 6.25 0.510 0.2375 0.2043
0.875 0.020 43.75 0.835 0.0537 0.5476
0.875 0.028 31.25 0.819 0.0745 0.5268
0.875 0.035 25.00 0.805 0.0924 0.5090
0.875 0.049 17.86 0.777 0.1272 0.4742
0.875 0.065 13.46 0.745 0.1654 0.4359
0.875 0.083 10.54 0.709 0.2065 0.3948
0.875 0.095 9.21 0.685 0.2328 0.3685
0.875 0.109 8.03 0.657 0.2623 0.3390
0.875 0.120 7.29 0.635 0.2846 0.3167
1.000 0.028 35.71 0.944 0.0855 0.6999
1.000 0.035 28.57 0.930 0.1061 0.6793
1.000 0.049 20.41 0.902 0.1464 0.6390
1.000 0.065 15.38 0.870 0.1909 0.5945
1.000 0.083 12.05 0.834 0.2391 0.5463
1.000 0.095 10.53 0.810 0.2701 0.5153
1.000 0.109 9.17 0.782 0.3051 0.4803
1.000 0.120 8.33 0.760 0.3318 0.4536
1.000 0.134 7.46 0.732 0.3646 0.4208
1.250 0.035 35.71 1.180 0.1336 1.0936
1.250 0.049 25.51 1.152 0.1849 1.0423
1.250 0.065 19.23 1.120 0.2420 0.9852
1.250 0.083 15.06 1.084 0.3043 0.9229
1.250 0.095 13.16 1.060 0.3447 0.8825
1.250 0.109 11.47 1.032 0.3907 0.8365
1.250 0.120 10.42 1.010 0.4260 0.8012
1.250 0.134 9.33 0.982 0.4698 0.7574
1.500 0.035 42.86 1.430 0.1611 1.6061
1.500 0.049 30.61 1.402 0.2234 1.5438
1.500 0.065 23.08 1.370 0.2930 1.4741
1.500 0.083 18.07 1.334 0.3695 1.3977
1.500 0.095 15.79 1.310 0.4193 1.3478
1.500 0.109 13.76 1.282 0.4763 1.2908
1.500 0.120 12.50 1.260 0.5202 1.2469
1.500 0.134 11.19 1.232 0.5750 1.1921
1.500 0.148 10.14 1.204 0.6286 1.1385
1.750 0.035 50.00 1.680 0.1886 2.2167
1.750 0.049 40.82 1.902 0.3003 2.8413
1.750 0.065 26.92 1.620 0.3441 2.0612
1.750 0.083 21.08 1.584 0.4347 1.9706
1.750 0.095 18.42 1.560 0.4939 1.9113
1.750 0.109 16.06 1.532 0.5619 1.8433
1.750 0.120 14.58 1.510 0.6145 1.7908
1.750 0.134 13.06 1.482 0.6803 1.7250
1.750 0.148 11.82 1.454 0.7449 1.6604
1.750 0.165 10.61 1.420 0.8216 1.5837
2.000 0.035 57.14 1.930 0.2161 2.9255
2.000 0.049 40.82 1.902 0.3003 2.8413
2.000 0.065 30.77 1.870 0.3951 2.7465
2.000 0.083 24.10 1.834 0.4999 2.6417
2.000 0.095 21.05 1.810 0.5685 2.5730
2.000 0.109 18.35 1.782 0.6475 2.4941
2.000 0.120 16.67 1.760 0.7087 2.4328
2.000 0.134 14.93 1.732 0.7855 2.3561
2.000 0.148 13.51 1.704 0.8611 2.2805
2.000 0.165 12.12 1.670 0.9512 2.1904

ASTM A269 SS 321H Seamless Tube Chemical Composition

Grade C Mn Si P S Cr Mo Ni N Other
321H min. 
max
0.04 
0.10
2.00 0.75 0.045 0.030 17.0 
19.0
9.0 
12.0
Ti=4(C+N) 
0.70

ASTM A269 TP321H Stainless Steel Seamless Tube 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
321H 8027 193 16.6 17.2 18.6 16.1 22.2 500 720

ASTM A269 Stainless Steel 321H Seamless Tube 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
321H 515 205 40 95 217

ASTM A269 SS 321H Equivalent

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
321H S32109 321S51 1.4878 X10CrNiTi18-10 SUS 321H

SS 347H Tube ASTM A269 Tolerances

Size 
Inches
Tolerances, Inches
OD, 
Inches
Wall
Ovality
2 x Tol., In.
Cut Length
(b), In.
Less than 1/2
±0.005
±15%
——
+1/8
–0
Over 1/2 to 1-1/2
±0.005
±10%
–0.065
Over 1-1/2 to 3-1/2
±0.010
±10%
–0.095
+3/16
–0
Over 3-1/2 to 5-1/2
±0.015
±10%
–0.150
Over 5-1/2 to 8
±0.030
±10%
——
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