Table of Content
DIN 17210 seamless tube Specification
16mncr5 tube material
16mncr5 Carbon steel tube
DIN 17210 Seamless cold drawn tubes
17210 Precision seamless steel tubes
DIN 17210 Grade 16MnCr5 cold drawn tube
| Properties | Value |
|---|---|
| Carbon | 0.14-0.19 |
| Silicon | 0.40 max |
| Sulphur | 0.035 |
| Manganese | 1.00-1.30 |
| Phosphorous | 0.035 |
| Chromium | 0.80-1.10 |
Mechanical properties of 16MnCr5 EFW tube
| Properties | Value | |
|---|---|---|
| Yield strength | MPa | > 600 |
| Tensile strength | 880-1230 | |
| Elongation | % | 9 |
| Hardness | HB | < 207 |
Physical properties of DIN 17210 Tube
| Properties | Value | |
|---|---|---|
| Youngs module | GPa | 210 |
| Shear module | 80 | |
| Density | kg/m3 | 7800 |
| Average CTE 20-300°C | µm/m°K | 12 |
| Poisson´s ratio | - | 0.3 |
| Specific heat capacity 50/100°C | J/kg°K | 460 - 480 |
| Thermal conductivity | W/m°K | 40 - 45 |
| Electrical resistivity | µΩm | 0.20 - 0.25 |
DIN 17210 Gr 16MnCr5 CS SMLS tube thermal properties
| Property | Coefficient of thermal expansion | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Temperature | °C | -100.0 | 20.0 | 100.0 | 200.0 | 300.0 | 400.0 | 500.0 | 600.0 |
| Value | 1/K | 1.05E-5 | 1.15E-5 | 1.1E-5 - 1.21E-5 | 1.27E-5 | 1.32E-5 | 1.36E-5 | 1.4E-5 | |
DIN 17210 welded tube specific heat capacity
| Specific heat capacity | ||||||||
|---|---|---|---|---|---|---|---|---|
| °C | -100.0 | 20.0 | 100.0 | 200.0 | 300.0 | 400.0 | 500.0 | 600.0 |
| J/(kg·K) | 423 | 460 - 461 | 479 | 499 | 517 | 536 | 558 | 587 |
| China | GB | 15CrMn/ 16MnCr/20CrMnTi |
|---|---|---|
| Russia | GOST | 18KHG |
| France | AFNOR | 16MC5 |
| England | BS | 527M17/ 590M17 |
| EU | EN | 16MnCr5 |
| Italy | UNI | |
| Spain | UNE | |
| Inter | ISO | |
| Germany | DIN,WNr | |
| Sweden | SS | 2127 |
| USA | - | SAE5115 |
| Poland | PN | 15HG |
| Czechia | CSN | 14220 |
Hardness range of 16mncr5 CS seamless tube
| Properties | Value | ||
|---|---|---|---|
| Vickers hardness | HV | +A | 170 |
| Brinell hardness | HBW | +A | 207 |
| +TH | 156 - 207 | ||
| +FP | 140 - 187 | ||
| +N | 138 - 187 | ||
| Rockwell B hardness | HRB or RB | +A | 84 |
DIN 17210 Grade 16MnCr5 EFW tube heat treatment
| Treatment | Condition | Cooling/quenching | Temperature°C |
|---|---|---|---|
| Hot forging | +U | Slow or in air | 850-1200 |
| Normalizing | +N | In air | 860-890 |
| Stress relieve annealing | +SRA | 600-680 | |
| Carburizing | +C | 880-980 | |
| Tempering | +T | 150-200 | |
| Soft annealing | +A | Slowly (15°C/h) until 600°C | 670-710 |
| Quenching | +Q | In oil or water | 860-900 |
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