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ASTM A358 Grade 446 EFW Pipes

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ASTM A358 TP 446 Electric Fusion Welded Pipes, ASME SA358 Gr.446 EFW Pipe Suppliers

ASTM A358 TP446 EFW Pipe Supplier

Superior Steel Overseas is a well-known exporter, supplier, distributor and manufacturer of A358 Gr 446 EFW Pipe. ASTM A358 Grade 446 stainless steel EFW pipes has extremely good resistance to reducing sulphurous gases, as well as very good resistance to oxidation in air.ASTM A358 446 EFW Pipe also has good resistance to oil-ash corrosion and resistance to molton copper, lead and tin.We have been supplying high quality  ASME SA358 Gr.446 stainless steel welded pipe with most advance technology and with most reliable quality. Buy ASTM A358 WNR 1.4762/3 EFW Pipe in customized size & standard at affordable price in India. ASTM A358 TP446 Stainless Steel EFW Pipe are tested on various parameters like Strength, Durability, Temperature & Pressure resistance etc. ASME SA358 Grade 446 Stainless Steel EFW Pipes are widely used for manufacturing boilers, pressure vessels and heat exchangers for fertilizer plants, chemical plants, petroleum refineries, and power generation plants.ASTM A358 Grade 446 EFW Pipes suitable for corrosive or high-temperature service.

Table of Content

  1. ASTM A358 Stainless Steel 446 EFW Pipe Specification
  2. SS ASTM A358 TP446 EFW Pipe Dimensions
  3. Stainless Steel ASTM A358 TP446 EFW Pipe Sizes
  4. ASTM A358 TP446 Chemical Composition
  5. ASTM A358 TP446 Mechanical Properties
  6. ASTM A358 TP 446 Stainless Steel EFW Thermal Properties
  7. ASTM A358 TP 446 EFW Pipe Nominal Wall Thickness
  8. ASTM A358 SS 446 EFW Pipe Tolerances
  9. ASTM A358 TP 446 EFW Steel Pipe Stock List

ASTM A358 Stainless Steel 446 EFW Pipe Specification

Specification ASTM A358 / ASME SA358
Specification A / SA358 CLASS 1, A / SA358 CLASS 2, A / SA358 CLASS 3, A / SA358 CLASS 4, A / SA358 CLASS 5
Grades 304, 304L, 304H, 309S, 310S, 316, 316L, 316H, 317L, 321, 321H, 347, 347H, 904L ETC.
Type EFW, ELECTRIC FUSION WELDED
Outer Diameter Size Electric Fusion Welded / ERW- 8" NB To 110" NB (Nominal Bore Size)
Wall Thickness Schedule 10 To Schedule 160 (3 mm to 100 mm 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
Coating Electropolish, Mechanical Polish, Satin Finish, Passivated
Dimension All Pipes 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

SS ASTM A358 TP446 EFW Pipe Dimensions

Designation of Diameter O/D Nominal Wall Thickness
DIA SCH.5S SCH.5 SCH 10S SCH.10 SCH.20S SCH.30 SCH.40S SCH.40 SCH 60
(A) (B) Meter
MM		 Wall
Thk		 Weight Kg/Mtr Wall
Thk		 Weight Kg/Mtr Wall
Thk		 Weight Kg/Mtr Wall
Thk		 Weight Kg/Mtr Wall
Thk		 Weight Kg/Mtr Wall
Thk		 Weight Kg/Mtr Wall
Thk		 Weight Kg/Mtr Wall
Thk		 Weight Kg/Mtr Wall
Thk		 Weight Kg/Mtr
6 1/8 10.3 1 0.23 1.2 0.27 1.5 0.33 1.73 0.37
8 1/4 13.7 1.2 0.37 1.65 0.49 2 0.58 2.24 0.64
10 3/8 17.2 1.2 0.47 1.65 0.63 2 0.74 2.31 0.87
15 1/2 21.3 1.65 0.01 1.65 0.81 2.11 1.02 2.11 1.02 2.5 1.15 2.77 1.29
20 3/4 26.7 1.65 1.03 1.65 1.03 2.11 1.3 2.11 1.3 2.5 1.49 2.87 1.71
25 1 33.4 1.65 1.31 1.65 1.31 2.77 2.13 2.77 2.13 3 2.24 3.38 2.54
32 11/4 24.2 1.65 1.67 1.65 1.67 2.77 2.73 2.77 2.73 3 2.9 3.56 3.44
40 11/2 48.3 1.65 1.93 1.65 1.93 2.77 3.16 2.77 3.16 3 3.35 3.68 4.11
50 2 60.3 1.65 1.93 1.65 2.42 2.77 3.99 2.77 3.99 3.5 4.9 3.91 5.52
65 21/2 73 2.11 3.75 2.11 3.75 3.05 5.34 3.05 5.34 3.5 6 5.16 8.77
80 3 88.9 2.11 4.59 2.11 4.59 3.05 6.56 3.05 6.56 4 8.37 5.49 11.47
90 31/2 101.6 2.11 5.25 2.11 5.25 3.05 7.53 3.05 7.53 4 9.62 5.74 13.78
100 4 114.3 2.11 5.93 2.11 5.93 3.05 8.5 3.05 8.5 4.5 12.18 6.02 6.32
125 5 141.3 2.77 9.61 2.77 9.61 3.4 11.74 3.43 11.74 5 16.8 6.55 2210
150 6 168.3 2.77 11.47 2.77 11.47 3.4 14.04 3.43 14.04 5.5 22.08 7.11 28.69
200 8 219.1 2.77 15 2.77 15 3.76 20.77 3.76 20.27 6.35 33.82 7.04 37.38 8.18 43.2 10.81 53.9
250 10 273.1 3.4 22.95 3.4 22.95 4.19 28.2 4.19 28.2 6.35 42.41 7.8 51.81 9.27 61.22 12.2 82.8
300 12 323.9 3.96 31.72 4.19 33.6 4.57 36.54 4.57 36.54 6.35 50.48 8.38 66.2 9.53 75.01 10.31 80.94 14.27 110.62
350 14 355.6 3.96 34.86 4.78 41.99 6.35 55.53 7.92 68.95 9.53 82.58 9.53 82.58 11.13 96 15.06 128.42
400 16 406.4 4.19 42.2 4.78 48.07 6.35 63.61 7.92 79.03 9.53 94.7 9.53 94.7 12.7 125.2 16.66 162.59
450 18 457.2 4.19 47.46 4.78 54.15 6.35 71.69 7.92 89.1 11.13 124.32 9.53 106.83 14.27 158.27 19.05 209
500 2C 508 4.78 60.23 5.54 69.7 6.35 79.76 9.53 118.93 12.7 157.51 9.53 118.9 15.06 185.89 2062 251.65
550 22 558.8 4.78 65.95 5.54 76.75 6.35 87.84 9.53 131.07 12.7 173.66 9.53 131.07 15.88 216.04 22.23 298.55
600 24 609.6 5.54 83.8 6.35 95.92 6.35 95.92 9.53 143.2 14.27 212.72 9.53 143.2 17.45 258.74 24.59 360.21
650 26 660.4 7.92 129.4 12.7 205.97 9.53 155.32
700 28 711.2 7.92 139.47 12.7 222.13 15.88 276.48 9.53 167.44
750 3C 762 6.35 120.15 7.92 149.55 7.92 149.55 12.7 238.28 15.88 296.68 9.53 179.56
800 32 812.8 7.92 159.62 12.7 254.44 15.88 316.88 9.53 191.69 17.48 348.11
850 34 863.6 7.92 169.64 12.7 270.5 15.88 336.96 9.53 203.74 17.48 370.22
900 36 914.4 7.92 179.77 12.7 286.75 15.88 357.28 9.53 215.93 19.05 427.09

Stainless Steel ASTM A358 TP446 EFW Pipe Sizes

NPS
Designator		 Outside Diameter Nominal Wall Thickness
in. mm Schedule 5SA Schedule 10SA Schedule 40SA Schedule 80SA
in. mm in. mm in. mm in. mm
8 8.625 219.08 0.109 2.77 0.148 3.76 0.322 8.18 0.500 12.70
10 10.750 273.05 0.134 3.40 0.165 4.19 0.365 9.27 0.500B 12.70B
12 12.750 323.85 0.156 3.96 0.180 4.57 0.375B 9.52B 0.500B 12.70B
14 14.000 355.60 0.156 3.96 0.188B 4.78B … … … …
16 16.000 406.40 0.165 4.19 0.188B 4.78B … … … …
18 18.000 457.20 0.165 4.19 0.188B 4.78B … … … …
20 20.000 508.00 0.188 4.78 0.188B 4.78B … … … …
22 22.000 558.80 0.188 4.78 0.218B 5.54B … … … …
24 24.000 609.60 0.218 5.54 0.250 6.35 … … … …
30 30.000 762.00 0.250 6.35 0.312 7.92 … … … …

ASTM A358 TP446 Chemical Composition

Element
Content (%)
Iron, Fe
73
Chromium, Cr
23.0 – 27.0
Manganese, Mn
1.50
Silicon, Si
1.0
Nickel, Ni
0.25
Carbon, C
0.20
Phosphorous, P
0.040
Sulfur, S
0.030

ASTM A358 TP446 Mechanical Properties

Properties
Metric
Imperial
Tensile strength
550 MPa
79800 psi
Yield strength (@strain 0.200%)
345 MPa
50000 psi
Elastic modulus
200 GPa
29000 ksi
Poisson’s ratio
0.27-0.30
0.27-0.30
Elongation at break
20%
20%
Hardness, Brinell (estimated from Rockwell B)
159
159
Hardness, Knoop (estimated from Rockwell B)
173
173
Hardness, Rockwell A (estimated from Rockwell B)
51.1
51.1
Hardness, Rockwell B
83
83
Hardness, Vickers (estimated from Rockwell B)
159
159

ASTM A358 TP 446 Stainless Steel EFW Thermal Properties

Properties Metric Imperial
Thermal expansion co-efficient (@0-100°C/32-212°F) 10.4 µm/m°C 5.78 µin/in°F
Thermal conductivity 21.6 W/mK 150 BTU in/hr.ft².°F

ASTM A358 TP 446 EFW Pipe Nominal Wall Thickness

NPS Designator

Outside Diameter in.

Schedule 5S in.

Schedule 10S in.

Schedule 40S in.

Schedule 80S in.
1/4 0.540 0.065 0.088 0.119
3/8 0.675 0.065 0.091 0.126
1/2 0.840 0.065 0.083 0.109 0.147
3/4 1.050 0.065 0.083 0.113 0.154
1.0 1.315 0.065 0.109 0.133 0.179
1 1/4 1.660 0.065 0.109 0.140 0.191
1 1/2 1.900 0.065 0.109 0.145 0.200
2 2.375 0.065 0.109 0.154 0.218
2 1/2 2.875 0.083 0.120 0.203 0.276
3 3.500 0.083 0.120 0.216 0.300
3 1/2 4.000 0.083 0.120 0.226 0.318
4 4.500 0.083 0.120 0.237 0.337
5 5.563 0.109 0.134 0.258 0.375
6 6.625 0.109 0.134 0.280 0.432
8 8.625 0.109 0.148 0.322 0.500
10 10.750 0.134 0.165 0.365 0.500
12 12.750 0.156 0.180 0.375 0.500

ASTM A358 SS 446 EFW Pipe Tolerances

NPS Designator Permissible Variations in Outside Diameter
Over In. Under In.
1/8 to 1-1/2, incl 1/64 (0.015) 1/32 (0.031)
Over 1-1/2 to 4, incl 1/32 (0.031) 1/32 (0.031)
Over 4 to 8, incl 1/16 (0.062) 1/32 (0.031)
Over 8 to 18, incl 3/23 (0.093) 1/32 (0.031)

ASTM A358 TP 446 EFW Steel Pipe Stock List

ASTM A358 TP 446 Schedule 10s Stainless Steel EFW Pipe ASTM A358 TP 446Schedule 40 SS EFW Pipe
ASTM A358 TP 446 Schedule 80 SS Pipe ASTM A358 TP446 EFW Stainless Steel Pipe
ASTM A358 TP446 Stainless Steel EFW Pipe ASTM A358 TP 446 EFW Stainless Steel Pipe
ASTM A358 TP446 Stainless Steel EFW Round Pipe Fabricated astm a358 TP446 efw Pipe
ASME SA358 SS 446 EFW Pipe AISI 446 EFW Pipe
ASTM A358 446 SS EFW Pipes ASTM A358 EFW SS 446 Pipe
ASME SA358 SS 446 EFW Pipe ASTM A358 Stainless Steel 446 Round Pipe
ASTM A358 SS 446 EFW Pipes ASME SA358 SS 446 EFW Pipes

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