Sachiya Steel International is one of the Leading Manufacturer And Exporter Of High Quality Stainless Steel 310 Tubes, which is one of the most common man-made materials in the world, with tons of it produced annually. Qualities of Stainless Steel 310 Seamless Tubes include such things as the hardness, quenching behavior, need for annealing, tempering behavior, yield strength, and tensile strength of the resulting steel. The increase in the strength Stainless Steel 310S Welded Tubes as compared to pure iron is only possible by reducing iron’s ductility. Stainless Steel 310 ERW Tubes is often produced in bloomery furnaces for thousands of years, but its large – scale, industrial use only began after more efficient production methods were devised, with the production of blister steel and then crucible steel.
This was followed by the Siemens – Martin process and then the Gilchrist – Thomas process that refined the quality of Stainless Steel 310S EFW Tubes. With their introductions, Stainless Steel 310 Round Tubes steel replaced wrought iron. Further refinements in the process of Stainless Steel 310S Square Tubes, such as basic oxygen steelmaking (BOS), largely replaced earlier methods by further lowering the cost of production and increasing the quality of the product.
Stainless Steel 310 Rectangular Tubes is generally identified by various grades defined by assorted standards organizations. The carbon content of Stainless Steel 310S Electropolish Tubes is between 0.002 % and 2.1 % by weight for plain iron – carbon alloys.
SS 310/310S Welded Tubes Specifications |
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| Specifications | : | ASTM A/ASME SA213/A249/A269 |
| Dimensions | : | ASTM, ASME and API |
| SS 310/310S 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 |
310/310S Stainless Steel Tubes Available Sizes
| NB Sizes | Sch 5 | Sch 10 | Sch 40 | Sch 80 | Sch 160 |
| 1/8″ |  |
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| 1/4″ | |
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| 3/8″ | |
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| 1/2″ | |
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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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| 6″ | |
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310/310S Stainless Steel Tube Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 310 | min. | – | – | – | – |  24.0 | 0.10 |  19.0 | – | |
| max. |  0.015 | 2.0 | 0.15 | 0.020 | 0.015 |  26.0 |  21.0 | – | ||
| 310S | min. | – | – | – | – | – | 24.0 | 0.75 | 19.0 | – |
| max. | 0.08 | 2.0 | 1.00 | 0.045 | 0.030 | 26.0 | 22.0 | – | ||
Stainless Steel 310/310S 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 | ||||
| 310 | 515 | 205 | 40 | 95 | 217 |
| 310S | 515 | 205 | 40 | 95 | 217 |
Stainless Steel 310/310S 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 | |||||
| 310 | 7750 | 200 | 15.9 | 16.2 | 17.0 | 14.2 | 18.7 | 500 | 720 |
| 310S | 7750 | 200 | 15.9 | 16.2 | 17.0 | 14.2 | 18.7 | 500 | 720 |
Equivalent Grades for 310/310S Stainless Steel Tubes
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | GOST | ||
| BS | En | No | Name | |||||
| 310 | S31000 | 304S31 | 58E | 1.4841 | X5CrNi18-10 | 2332 | SUS 310 | 20Ch25N20S2 |
| 310S | S31008 | 304S31 | 58E | 1.4845 | X5CrNi18-10 | 2332 | SUS 310S | 20Ch23N18 |
SS 310/310S 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 310/310S 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)