ASME SA249 TP446 Stainless Steel Tube




ASTM A249 SS 446 Tube Supplier, DIN 1.4762/3 Welded Tube

SS 446 Welded Tubes Supplier

Superior Steel Overseas has been acknowledged as one of the leading specialists manufacturer and supplier of SS 446 Welded Tubes.As a leading stockholders of ASTM A249 Stainless steel 446 Welded Tube we hold a range of heat excahnger tubes, boiler tube and condenser tube. ASTM A249 SS 446 Welded Boiler Tubes are available in diverse sizes, grades and shapes, and are quality passed and tested as per international standards.Today we have more than 12,000 customers with presence in three continents offering the very best technology for processing, cutting and the finishing of stainless steel.ASTM A249 Stainless Steel 446 Rectangular Tube as well fabricate and design these ASTM A249 SS 446 Square Tube in different specifications and designs as per requirements of our customers ASTM A249 Stainless Steel 446 Heat Exchanger Tube.The various finishes in ASTM A249 Stainless Steel 446 Electropolish Tubes that are produced are polished, honed, satin and supplied in all thicknesses.  They enhance its use in an increasingly competitive market.Our range of ASTM A249 SS 446 Tubing most widely used in Chemical and petrochemical,Energy,Decoration,Nutrition,Electronics,New technologies, etc. Most sizes of ASTM A249 Stainless Steel 446 Tubes can be cut to exact sizes. Buy ASME SA249 TP446 Welded Tubing at affordable price from us.

ASTM A249 TP446 Stainless Steel Tube Specification

Type: Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Grades: TP304, TP304L, TP304H

Size: 1/8” NB to 5” NB, 1/4” OD to 5” OD sizes stainless steel seamless tubes also available

Length: Up to 6 meters, custom cut lengths

Thickness: 1mm to 13mm, SCH 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S as per ANSI B36.19/36.10

Finish: No.1 Pickled Finish, No.4 finish, BA Finish, Electropolished Pipes

Delivery Condition: Hot Finish, Cold Finish, Bright Annealed, Polished, Annealed and Pickled, Passivated, Stress Relived

ASTM A249 446 Tubing Sizes

NB SIZES SCH 5 SCH 10 SCH 40 SCH 80 SCH 160
1/8″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
1/4″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
3/8″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
1/2″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
3/4″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
1″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
1 1/4″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
1 1/2″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
2″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
2 1/2″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
3″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
4″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
5″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
6″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size

ASTM A249 SS 446 Tube Dimensions

Dimensions Wall Weight per Dimensions Wall Weight per
(mm) (mm) metre (kg) (mm) (mm) metre (kg)
12.7 x 12.7 1.20 0.44 40 x40 1.20 1.49
12.7 x 12.7 1.50 0.55 40 x40 1.50 1.85
15 x 15 1.20 0.53 40 x40 2.00 2.45
15 x 15 1.50 0.65 40 x40 3.00 3.75
20 x 20 1.20 0.71 50 x50 1.50 2.32
20 x 20 1.50 0.88 50 x50 2.00 3.08
20 x 20 2.00 1.19 50 x50 3.00 4.65
25 x 25 1.20 0.92 60 x60 2.00 3.71
25 x 25 1.50 1.14 60 x60 3.00 5.49
25 x 25 2.00 1.49 70 x70 3.00 6.53
25 x 25 3.00 2.20 80 x80 2.00 4.98
30 x 30 1.20 1.10 80 x80 3.00 7.53
30 x 30 1.50 1.37 100 x 100 2.00 6.40
30 x 30 2.00 1.84 100 x 100 3.00 9.53
30 x 30 3.00 2.72

SA 249 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 A249 TP446 Stainless Steel Welded Tube Physical 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 A249 Stainless Steel 446 Welded Tube 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 A249 SS 446 Equivalent

Grade UNS No DIN  
No
SS 446 S44600 1.4762/3   SUS 446

SS 446 Tube ASTM A249 Tolerances

OD Size
Inches
Tolerances, Inches
OD, 
Inches
Wall
Cut
Length (a), In.
Less than 1
±0.004
All Sizes
± 10%
+1/8–0
1 to 1-1/2
±0.006
Over 1-1/2 to 2
±0.008
Over 2 to 2-1/2
±0.010
+3/16–0
Over 2-1/2 to 3
±0.012
Over 3 to 4
±0.015
Over 4 to 5
+0.015
– 0.025
Top