Sachiya Steel International is one of the Leading Manufacturer And Exporter Of High Quality Stainless Steel 304H Tubes, which in most cases, tougher than ferritic stainless steels. However, the corrosion resistance of the least resistant Stainless Steel 304H Seamless Tubes is greater than that for the most commonly used grades of stainless steels, i.e. 304 and 316. Stainless Steel 304H Welded Tubes is a property that can be used to easily differentiate them from common austenitic grades of stainless. Strengths of Stainless Steel 304H ERW Tubes can in some cases be double that for austenitic stainless steels.
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Whilst Stainless Steel 304H EFW Tubes are considered resistant to stress corrosion cracking, they are not as resistant to this form of attack as ferritic stainless steels. The formation of precipitates can embrittle Stainless Steel 304H Round Tubes, reducing its ambient temperature ductility and toughness, and can decrease its corrosion resistance. The rate of the precipitation reactions is dependent on the chemical composition of Stainless Steel Square 304H Tubes and other metallurgical factors.
Stainless Steel 304H Rectangular Tubes has higher strength which is around twice that of Type 304 austenitic stainless steel. This leads to reduced plate thicknesses of Stainless Steel 304H Electropolish Tubes being used in fabrications reducing the weight which is of particular significance in items such as pressure vessels, storage tanks, and structural applications such as bridges. As a result, Stainless Steel 304H Instrumentation Tubes display properties characteristic of both austenitic and ferritic stainless steels.
SS 304H Welded Tubes Specifications |
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| Specifications | : | ASTM A/ASME SA213/A249/A269 |
| Dimensions | : | ASTM, ASME and API |
| SS 304 Tubes Size |
: | 1/8″NB TO 30″NB IN |
| Thickness | : | 0.35mm to 6.35mm OD in thickness ranging from 0.1mm to 1.2mm. |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | : | Seamless / ERW / Welded / Fabricated / LSAW Tubes |
| Form | : | Round, Square, Rectangular, Hydraulic Etc |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
304H Stainless Steel Tubes Available Sizes
| NB Sizes | Sch 5 | Sch 10 | Sch 40 | Sch 80 | Sch 160 |
| 1/8″ |  |
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| 3/4″ | |
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| 1″ | |
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| 1 1/4″ | |
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| 1 1/2″ | |
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| 2″ | |
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| 2 1/2″ | |
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| 3″ | |
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| 4″ | |
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| 5″ | |
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304H Stainless Steel Tube Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 304H | min. | 0.04 | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | – | ||
Stainless Steel 304H Tubes 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 | ||||
| 304H | 515 | 205 | 40 | 92 | 201 |
Stainless Steel 304H Tube Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 304H | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
Equivalent Grades for 304H Stainless Steel Tubes
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 304H | S30409 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304H |
SS 304H Seamless / Welded Tubes Application Industries
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
SS 304H Steel Tube Test Certificates
We at Sachiya Steel International provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.
• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc
Material Testing
We at Sachiya Steel International ensure that all our materials go through strict quality tests before dispatching them to our clients.
• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test
Documentation
• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)
Stainless Steel 304H Tubes
Sachiya Steel International is one of the Leading Manufacturer And Exporter Of High Quality Stainless Steel 304H Tubes, which in most cases, tougher than ferritic stainless steels. However, the corrosion resistance of the least resistant Stainless Steel 304H Seamless Tubes is greater than that for the most commonly used grades of stainless steels, i.e. 304 and 316.
Product Brand: Sachiya Steel International
Product In-Stock: InStock
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