The seamless and welded pipes and tubes made from SUS 347H meet international standards, making them suitable for a range of critical applications. The seamless construction ensures uniformity and integrity in the material, while the welded options provide cost-effective solutions for less demanding environments. In addition to its corrosion resistance, SUS 347H pipes and tubes exhibit excellent formability and weldability, allowing for easy customization and installation. This versatility makes them ideal for constructing pipelines, heat exchangers, and other components essential to various industrial processes. Investing in SUS 347H pipes and tubes assures reliability and longevity in corrosive environments, making them a prudent choice for industries that prioritize durability and performance. Whether used in chemical plants, oil refineries, or other challenging settings, SUS 347H pipes and tubes contribute to the seamless operation of critical systems while ensuring resistance to corrosion-induced degradation.
Standard Quality Specification Of SUS 347H Pipes & Tubes
Specifications | ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358 |
Dimensions | ASTM, ASME and API |
SS 347H Pipes | 1/2″ NB – 16″ NB |
ERW 347H Pipes | 1/2″ NB – 24″ NB |
EFW 347H Pipes | 6″ NB – 100″ NB |
Size | 1/8″NB TO 30″NB IN |
Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
Form | Round Pipes, Custom Pipes, Square Pipes, Rectangular Pipe, “U” Shape, Hydraulic Pipes |
Length | Single Random, Double Random & Cut Length. |
End | Plain End, Beveled End, Treaded |
Equivalent Grade Of SUS 347H Pipes & Tubes
Grade | 347H | |
UNS No | S34709 | |
Old British | BS | – |
En | – | |
Euronorm | No | 1.4961 |
Name | – | |
Swedish SS | – | |
Japanese JIS | SUS 347H |
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SUS 347H Pipes Physical Properties
Grade | 347H | |
---|---|---|
Density (kg/m3) | 8000 | |
Elastic Modulus (GPa) | 193 | |
Mean Coefficient of Thermal Expansion (m/m/0C) | 0-1000C | 17.2 |
0-3150C | 17.8 | |
0-5380C | 18.4 | |
Thermal Conductivity (W/m.K) | at 1000C | 16.2 |
at 5000C | 21.5 | |
Specific Heat 0-1000C (J/kg.K) | 500 | |
Electrical Resistivity (n.m) | 720 |
Chemical Composition of 347H SUS Pipes
Grade | 347H | |
---|---|---|
min | max | |
C | 0.04 | 0.10 |
Mn | – | 2.0 |
Si | – | 1.00 |
P | – | 0.045 |
S | – | 0.030 |
Cr | 17.0 | 19.0 |
Mo | 3.00 | 4.00 |
Ni | 9.0 | 13.0 |
N | – | – |
Mechanical Properties of SUS 347H Pipes & Tubes
Grade | 347H | |
---|---|---|
Tensile Strength (MPa) min | 515 | |
Yield Strength 0.2% Proof (MPa) min | 205 | |
Elongation (% in 50mm) min | 40 | |
Hardness | Rockwell B (HR B) max | 92 |
Rockwell B (HR B) max | 201 |