Stainless Steel 316 316L Electropolished Pipes Tubes
Stainless Steel 316 316L Electropolished Pipes Tubes
Note that even if you choose 316L as the base material, you should choose the welding material of ER316L, if the welding material is not selected properly, such as the selection of ER316 or ER308 welding wire without L, it will sensitization and rust in the weld. In addition to the base material selection and welding reasons, if the weekend air is everywhere grinding iron powder, or with polished carbon steel wire brush and then grinding stainless steel, iron powder falls on the stainless steel, because of the electrochemical reaction, the same will produce rust, which is called iron ion pollution.
Twelve inspection processes make every stainless steel pipe meet the standard
- ultrasonic flaw detection
- hardness test
- Chemical composition test
- Mechanical property test
- metallographic analysis
- tensile test
- physical and chemical test
- Sulfuric acid analysis
- hydrostatic test
- impulse test
- direct-reading spectrometer
- eddy current inspection
SA312 Tp316L Equivalent
| UNS Designation & International Equivalent | ||||||||
|---|---|---|---|---|---|---|---|---|
| Type | UNS | JIS | EN/DIN | EN/BS | EN/NF | ISO | GB | GOST |
| 316L | S31603 | SUS316L | X2CrNiMo18-14-3 | 316S13 | X2CrNiMo17-12-2 | 19 | 00Cr17Ni14Mo2 | 03KH17H14M2 |
Physical Properties Of Stainless Steel 316L Tube
| 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) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 316L | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
Mechanical Properties Of SS 316L Seamless Pipe
| Grade | Tensile | ||||
|---|---|---|---|---|---|
| Ultimate/Min | Yield/Min | Elongation/Min | |||
| KSI | MPA | KSI | MPA | % | |
| 316L | 70 | 485 | 25 | 170 | 35 |
ASTM A312 Tp 316L Chemical Composition
| Weight % | C | Mn | P | S | Si | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| 316L | .035 | 2.00 | .045 | .030 | 1.00 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
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