| Product Name: | Stainless Steel | Shape: | Round |
|---|---|---|---|
| Specification: | EN 10216-5 | Grade: | 1.4841 |
| Surface: | Pickeled Annealed | Type: | Seamless / Welded |
EN 10216-5 1.4841 TP310 UNS 31000 Stainless Steel
TONG CHUANG GROUP deals with Austenitic Stainless Steel， Nickel Alloy Steel(Hastelloy ， Monel， Inconel， Incoloy ) seamless and welded pipe and tube already more than 25 years， every year sell more than 80000 tons of steel pipe and tube. Our client already cover more than 45 countries， Like Italy， UK， Gernmany， USA， Canada， Chile， Colombia， Saudi Arabia， Korea， Singapore， Austrial， Poland， France ….
Outside diameter and Tolerance
| Hot rolled | Outside Diameter， mm | Tolerance |
| 30≤OD≤219.1 | D2， ±1% or ±0.5mm | |
| 219.1＜OD≤610 | D1， ±1.5% or ±0.75mm | |
| Cold Drawn | Outside Diameter， mm | Tolerance |
| OD≤219.1 | D3， ±0.75% or ±0.3mm | |
| OD≤219.1 | D4， ±0.5% or ±0.1mm |
Equivalent Of 1.4841
STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
SS 310 | 1.4841 | S31000 |
Mechanical Properties
| Density | 8.0 g/cm3 |
|---|---|
| Melting Point | 1454 °C (2650 °F) |
| Tensile Strength | Psi – 75000 ， MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 ， MPa – 205 |
| Elongation | 35% |
Chemical Composition of 1.4841
| Chemical Composition | 1.4841 |
| Carbon | 0.25 max |
| Manganese | 2.00 max |
| Silicon | 1.50 max |
| Phosphorus | 0.045 max |
| Sulphur | 0.030 max |
| Chromium | 24.00 – 26.00 |
| Nickel | 19.00 – 22.00 |
Size Range
Production | Outside Diameter | Wall Thickness |
Seamless Pipe | 6.00mm to 830mm | 0.5mm to 48mm |
Tests
1. Heat Treatment and Bright Annealing
2. Cutting to required length and deburring;
3. Chemical Composition Analysis Test With 100% PMI and One tube from each heat by Direct Reading Spectrometer
4. Visual Test and Endoscope Test for Surface Quality Test
5. 100% Hydrostatic Test and 100% Eddy Current Test
6. Ultrasonic Test subject to the MPS (Material Purchase Specification)
7. Mechanical Tests includes Tension Test， Flattening Test， Flaring Test， Hardness Test
8. Impact Test subject to Standard request
9. Grain Size Test and Intergranular Corrosion Test
10. Ultrasoic measuring of Wall Thickness
Applications
-High Pressure Boiler
-Heat Exchanger
-Low and Medium Pressure Boiler
-OCTG
-Ship Building
-Automobile Structure
-Petroleum Cracking
-Chemical Fertilizer Equipment
