Steel 34ХН1МА (34ХН1М)
Steel 03Х11Н10М2Т2Ю (EC19; VNS17UP)
Steel 04Х14Т3Р1Ф (ChS82; 04Х14Т5Р2Ф; ChS82М)
Steel 100XHNMF
22Cr3M steel
Steel 34KhN1M (0KhN1M)
Steel 34KhN1MA (34KhN1M)
35KhMFA steel
Steel 70Г14Н3 (ЭИ94)
Steel 85G13 (EI700)
X17H2 steel
X23H18 steel
X30 steel
KhN28MDT steel
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 34ХН1МА |
| Designation GOST Latin | 34XH1MA |
| Transliteration | 34HN1MA |
| The chemical elements | 34CrН1Mo |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 34ХН1М |
| Designation GOST Latin | 34XH1M |
| Transliteration | 34HN1M |
| The chemical elements | 34CrН1Mo |
Description
34ХН1МА steel is used: for the manufacture of forgings of various parts of General engineering; of forgings of shafts of compressors and gas turbines; shafts, rotors, workpieces disks of steam turbines with operating temperatures up to +350 °C, the shaft-gears, couplings, gear wheels and other critical heavily loaded parts operating at temperatures up to +500 °C; billet shafts and solid-forged rotors of stationary and transport steam turbines.
Note
High alloy steel high quality.
Standards
| Name | Code | Standards |
|---|---|---|
| Metal forming. Forgings | В03 | TU 108-1028-81, TU 108-1029-81, TU НЗЛ 342-89, TU 0306.018-80, TU 108.11.917-87 |
| Bulls. Blanks. Slabs | В31 | TU НЗЛ 341-93 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Mo |
|---|---|---|---|---|---|---|---|---|---|---|
| TU 108-1029-81 | 0.3-0.4 | ≤0.022 | ≤0.025 | 0.5-0.8 | 1.3-1.7 | ≤0.37 | 1.3-1.7 | The rest | ≤0.25 | 0.2-0.3 |
| TU НЗЛ 342-89 | 0.3-0.4 | ≤0.025 | ≤0.025 | 0.5-0.8 | 1.3-1.7 | 0.17-0.37 | 1.3-1.7 | The rest | ≤0.3 | 0.2-0.3 |
Fe is the basis.
On 108.11.917-87 and TU NZL 342-89 the chemical composition is given for steel grade 34HN1MA.
According to TU 108-1028-81 and TU 108-1029-81 the chemical composition is given for steel grade 34ХН1МА. In the workpieces, deviations in the content of the elements indicated in the table are allowed: carbon ± 0.010%, silicon + 0.030%.
In the manufacture of blanks with discs with hub heights from 450 to 650 mm, the content of phosphorus and sulfur in steel should not be more than 0.018% of each; for metal VDP and ELP, the deviation of manganese content +0.10% / - 0.15% is allowed. In the ESR steel, the sulfur content should not be more than 0.015%. When casting steel without evacuation, for the manufacture of disc blanks with a hub height of more than 300 mm, hydrogen content in the metal must be determined. The results of determination of the hydrogen content are not acceptance-delivery and, at the request of the consumer, are to be entered in the procurement certificate.
On 108.11.917-87 and TU NZL 342-89 the chemical composition is given for steel grade 34HN1MA.
According to TU 108-1028-81 and TU 108-1029-81 the chemical composition is given for steel grade 34ХН1МА. In the workpieces, deviations in the content of the elements indicated in the table are allowed: carbon ± 0.010%, silicon + 0.030%.
In the manufacture of blanks with discs with hub heights from 450 to 650 mm, the content of phosphorus and sulfur in steel should not be more than 0.018% of each; for metal VDP and ELP, the deviation of manganese content +0.10% / - 0.15% is allowed. In the ESR steel, the sulfur content should not be more than 0.015%. When casting steel without evacuation, for the manufacture of disc blanks with a hub height of more than 300 mm, hydrogen content in the metal must be determined. The results of determination of the hydrogen content are not acceptance-delivery and, at the request of the consumer, are to be entered in the procurement certificate.
Mechanical characteristics
| Section, mm | sT|s0,2, MPa | σB, MPa | d5, % | y, % | kJ/m2, кДж/м2 |
|---|---|---|---|---|---|
| Forged billet shafts of compressors and gas turbines, heat-treated in the delivery condition on the other NZL 342-89 (longitudinal samples, in the column of the delivery condition specified strength) | |||||
| ≤550 | 490-687 | ≥638 | ≥15 | ≥35 | ≥490 |
| ≤450 | 590-765 | ≥705 | ≥15 | ≥35 | ≥490 |
| ≤300 | 687-883 | ≥803 | ≥14 | ≥35 | ≥490 |
| ≤300 | 736-931 | ≥852 | ≥13 | ≥35 | ≥490 |
| Billet shafts and rotors of steam turbines on the other 108-1029-81 (in the delivery condition specified strength and direction and place the cuttings sample) | |||||
| - | 638-834 | ≥804 | ≥14 | ≥40 | ≥590 |
| - | 638-834 | ≥765 | ≥11 | ≥32 | ≥440 |
| Forged blanks of disks of steam turbines on the other 108-1028-81 (in the delivery condition specified strength; in cross-section, if regulated, see the recommended height of the hub) | |||||
| - | 490-687 | ≥657 | ≥15 | ≥40 | ≥490 |
| ≤300 | 589-785 | ≥765 | ≥14 | ≥40 | ≥490 |
| ≤250 | 664-833 | ≥815 | ≥12 | ≥40 | ≥490 |
Description mechanical marks
| Name | Description |
|---|---|
| Section | Section |
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| y | The relative narrowing |
| kJ/m2 | Toughness |
Technological properties
| Name | The value |
|---|---|
| Weldability | Difficult weldability. |
| Propensity to temper brittleness | Malosolone. |
| Flock-sensitive sensitivity | Sensitive. |
