Steel 35HGSA
Designation
Name | The value |
---|---|
Designation GOST Cyrillic | 35ХГСА |
Designation GOST Latin | 35XGCA |
Transliteration | 35HGSA |
By chemical elements | 35CrMnС |
Description
35HGSA steel is used: for the manufacture of hot rolled plates; flanges, Cams, fingers, rollers, levers, axles, parts, welded structures and other improve parts of complex configuration, working under alternating loads.
Note
Structural steel high-quality chromonemata.
Standards
Name | Code | Standards |
---|---|---|
Sheets and strips | В23 | GOST 103-2006 |
Bars and shapes | В32 | GOST 1051-73, GOST 4543-71, GOST 7417-75, GOST 8559-75, GOST 8560-78, GOST 10702-78, GOST 14955-77, TU 14-1-5414-2001, TU 14-1-2118-77, TU 14-11-245-88, TU 14-1-1271-75, TU 14-1-5228-93, TU 14-136-367-2008 |
Bars and shapes | В22 | GOST 1133-71, GOST 8319.0-75, GOST 2590-2006, GOST 2591-2006, GOST 2879-2006 |
Processing of metals by pressure. Forgings | В03 | GOST 8479-70, ST ЦКБА 010-2004 |
Steel pipes and fittings to them | В62 | GOST 8732-78, GOST 8734-75, GOST 9567-75, GOST 24950-81, GOST 8733-87, GOST 8731-87, TU 14-3-1654-89 |
Blanks. Of the workpiece. Slabs | В31 | OST 3-1686-90, TU 14-1-4944-90 |
Sheets and strips | В33 | TU 14-1-1409-75, TU 14-1-4118-86, TU 14-1-4118-2004 |
Chemical composition
Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | V | Ti | Mo | W |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
TU 14-1-4118-2004 | 0.32-0.39 | ≤0.025 | ≤0.025 | 0.8-1.1 | 1.1-1.4 | 1.1-1.4 | ≤0.3 | Rest | ≤0.3 | ≤0.05 | ≤0.03 | ≤0.15 | ≤0.2 |
Fe is the basis.
GOST 4543-71 regulates the content of high-quality steel: P≤0,025%; S≤0.015%; Сu≤0.25%.
GOST 4543-71 regulates the content of high-quality steel: P≤0,025%; S≤0.015%; Сu≤0.25%.
Mechanical properties
Section, mm | t отпуска, °C | sT|s0,2, MPa | σU, MPa | d5, % | y, % | KCU, kJ/m2 | HB, MPa | HRC |
---|---|---|---|---|---|---|---|---|
Forgings. Hardening + Vacation | ||||||||
100-300 | - | ≥490 | ≥660 | ≥13 | ≥40 | ≥530 | 212-248 | - |
100-300 | - | ≥540 | ≥690 | ≥13 | ≥40 | ≥481 | 223-262 | - |
≤100 | - | ≥590 | ≥730 | ≥14 | ≥45 | ≥579 | 235-277 | - |
≤100 | - | ≥640 | ≥780 | ≥13 | ≥42 | ≥579 | 248-293 | - |
Rolled steel. Quenching in oil at 880 °C to + Leave at 500 °C, cooling in water (longitudinal samples) | ||||||||
10-20 | - | ≥1000 | ≥1110 | ≥12 | ≥54 | - | ≥322 | - |
Rolled steel. Quenching in oil at 880 °C + Vacation | ||||||||
- | 200 | ≥1570 | ≥1910 | ≥12 | ≥48 | ≥481 | - | ≥52 |
Samples for mahismati. Isothermal quenching at 880 °C in a mixture of potassium and sodium nitrate having a temperature of 280-310 °C, air cooling | ||||||||
- | - | ≥1270 | ≥1620 | ≥9 | ≥40 | ≥383 | - | - |
Rolled steel. Quenching in oil at 880 °C to + Leave at 500 °C, cooling in water or oil | ||||||||
- | - | ≥1200 | ≥1300 | ≥11 | ≥52 | - | - | - |
Steel calibrated and calibrated with special surface finish, hot rolled and hot rolled with special surface finish | ||||||||
- | - | - | - | - | - | - | ≤241 | - |
Forgings. Annealing in air at 880 °C to + Leave at 500 °C, air cooling | ||||||||
100-300 | - | ≥490 | ≥660 | ≥13 | ≥40 | ≥530 | - | - |
Rolled steel. Quenching in oil at 880 °C to + Leave at 500 °C, cooling in water (longitudinal samples) | ||||||||
20-40 | - | ≥940 | ≥1080 | ≥11 | ≥50 | - | ≥310 | - |
Rolled steel. Quenching in oil at 880 °C + Vacation | ||||||||
- | 300 | ≥1550 | ≥1760 | ≥12 | ≥50 | ≥579 | - | ≥50 |
Rolled steel. Quenching in oil at 880 °C to + Leave at 500 °C, cooling in water or oil | ||||||||
- | - | - | ≥1260 | ≥12 | ≥57 | - | - | - |
Rolled steel. Quenching in oil at 880 °C to + Leave at 500 °C, cooling in water (longitudinal samples) | ||||||||
40-60 | - | ≥860 | ≥960 | ≥11 | ≥46 | - | ≥270 | - |
Rolled steel. Quenching in oil at 880 °C + Vacation | ||||||||
- | 400 | ≥1420 | ≥1620 | ≥12 | ≥51 | ≥432 | - | ≥47 |
Rolled steel. Quenching in oil at 880 °C to + Leave at 500 °C, cooling in water or oil | ||||||||
- | - | - | ≥1000 | ≥14 | ≥72 | - | - | - |
Rolled steel. Quenching in oil at 880 °C to + Vacation at 600 °C, cooling in water (longitudinal samples) | ||||||||
20-40 | - | ≥810 | ≥970 | ≥14 | ≥58 | - | ≥280 | - |
Rolled steel. Quenching in oil at 880 °C + Vacation | ||||||||
- | 500 | ≥1180 | ≥1300 | ≥14 | ≥52 | ≥432 | - | ≥42 |
Rolled steel. Quenching in oil at 880 °C to + Leave at 500 °C, cooling in water or oil | ||||||||
- | - | - | ≥540 | ≥31 | ≥70 | - | - | - |
Rolled steel. Quenching in oil at 880 °C to + Vacation at 600 °C, cooling in water (longitudinal samples) | ||||||||
40-60 | - | ≥780 | ≥880 | ≥13 | ≥58 | - | ≥250 | - |
Rolled steel. Isothermal quenching from 880 °C in nitrate having a temperature of 300 °C | ||||||||
- | ≥1460 | ≥1670 | ≥12 | ≥52 | ≥687 | - | ≥50 | |
- | 300 | ≥1450 | ≥1670 | ≥12 | ≥55 | ≥697 | - | ≥50 |
- | 400 | ≥1410 | ≥1570 | ≥14 | ≥54 | ≥520 | - | ≥48 |
- | 500 | ≥1220 | ≥1330 | ≥14 | ≥53 | ≥383 | - | ≥43 |
Description mechanical marks
Name | Description |
---|---|
sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
σU | Limit short-term strength |
d5 | Elongation after rupture |
y | The relative narrowing |
KCU | Toughness |
HB | Brinell hardness number |
HRC | Rockwell hardness (indenter diamond spheroconical) |
Physical characteristics
Temperature | Е, HPa | G, HPa | r, kg/m3 | l, W/(m · °C) | R, Mr. · m | a, 10-6 1/°C | С, J/(kg · °C) |
---|---|---|---|---|---|---|---|
0 | 215 | 84 | 7850 | 38 | 210 | - | - |
20 | 215 | 83 | 7850 | 38 | 210 | - | - |
100 | 211 | 82 | 7830 | 38 | - | 117 | 496 |
200 | 203 | 79 | 7800 | 37 | - | 123 | 504 |
300 | 195 | 75 | 7760 | 37 | - | 129 | 512 |
400 | 185 | 71 | 7730 | 36 | - | 134 | 535 |
500 | 175 | 66 | 7700 | 34 | - | 137 | 585 |
600 | 165 | 62 | 7670 | 33 | - | 140 | 620 |
700 | 144 | 54 | - | 31 | - | 143 | 625 |
800 | 125 | 47 | - | 30 | - | 143 | 695 |
A description of the physical symbols
Name | Description |
---|---|
Е | The normal elasticity modulus |
G | Modulus of elasticity shear torsion |
r | Density |
l | Coefficient of thermal conductivity |
R | UD. the resistivity |
Technological properties
Name | The value |
---|---|
Weldability | Limited weldability. Welding methods: SMAW, ADS submerged arc and gas protection, ARDS. Recommended heating and subsequent heat treatment is required, the CCC without restriction. |
The tendency to temper brittleness | Inclined. |
The temperature of forging | Start - 1250 °C, the end - 860-880 °C. the cross Sections up to 100 mm are cooled in air, 101-200 mm - mulde, 201-300 mm - with oven. |
Flock-sensitive sensitivity | Sensitive. |
Machinability | In hot-rolled condition in NV 207-217 blower SB=710 MPa Kn TV.SPL.=0,85 Kn b.St.=0,75. |