| Property | 3.6 | 4.6 | 4.8 | 5.6 | 5.8 | 6.8 | 8.8 | 10.9 | 12.9 |
|---|
| <= 16mm | > 16mm |
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Tensile Strength
Rm in MPa (N/mm2) | nominal value | 300 | 400 | 400 | 500 | 500 | 600 | 800 | 800 | 1000 | 1200 | | minimum | 330 | 400 | 420 | 500 | 520 | 600 | 800 | 830 | 1040 | 1220 | Vickers Hardness
HV=F 98N | minimum | 95 | 120 | 130 | 155 | 160 | 190 | 230 | 255 | 310 | 372 | | maximum | 220 | 220 | 220 | 220 | 220 | 250 | 300 | 336 | 382 | 434 | Brinell Hardness
HB F=30D2 | minimum | 90 | 114 | 124 | 147 | 152 | 181 | 219 | 242 | 295 | 353 | | maximum | | | 209 | | | 238 | 285 | 319 | 363 | 412 | | Rockwell Hardness HR | minimum HRB | 52 | 67 | 71 | 79 | 82 | 89 | | | | | | minimum HRC | | | | | | | 20 | 23 | 31 | 38 | | maximum HRB | 95 | 95 | 95 | 95 | 95 | | | | | | | maximum HRC | | | | | | | 30 | 34 | 39 | 44 | Surface Hardness
HV 0.3 | maximum | | | | | | | 320 | 356 | 402 | 454 | Yield Stress
Rel in MPa(N/mm2) | nominal value | 180 | 240 | 320 | 300 | 400 | 480 | | | | | | minimum | 190 | 240 | 340 | 300 | 420 | 480 | | | | | 0.2% elongation limit
Rp0.2 in Mpa (N/mm2) | nominal value | | | | | | | 640 | 640 | 900 | 1080 | | minimum | | | | | | | 640 | 660 | 940 | 1100 | | Test stress Sp | Sp/ReL or Rp0.2 | 0.94 | 0.94 | 0.91 | 0.94 | 0.91 | 0.91 | 0.91 | 0.91 | 0.88 | 0.88 | | MPA (N/mm2) | 180 | 225 | 310 | 280 | 380 | 440 | 580 | 600 | 830 | 970 | Elongation after fracture
A5 in % | minimum | 25 | 22 | 14 | 20 | 10 | 8 | 12 | 12 | 9 | 8 | | Minimum notch impact energy in Joules | | | | 25 | | | 30 | 30 | 20 | 15 | | Head Impact Toughness | No Fracture | | Maximum Height of the Thread Zone Not Decarburized E | | | | | | | 1/2H1 | 1/2H1 | 2/3H1 | 3/4H1 | | Maximum Depth of Decarburization Gmm | | | | | | | .015 | .015 | .015 | .015 |
DIN 912 Socket Cap Screws| Property Class | 12.9 |
|---|
| Hardness (HRC) | 39-44 | | Tensile Strength (Mpa) | 1,220 min. | | Yield Strength at 0.2% Offset (Mpa) | 1,100 min. | | Elongation (%) | 8 min. |
DIN 7984 Low Head Socket Caps| Property Class | 10.9 |
|---|
| Hardness (HRC) | 32-39 | | Tensile Strength (Mpa) | 832 min. |
DIN 7991 Flat Head Countersunk Socket Cap Screws| Property Class | 10.9 |
|---|
| Hardness (HRC) | 32-39 | | Tensile Strength (Mpa) | 835 min. |
ISO 7380 Button Head Socket Cap Screws| Property Class | 10.9 |
|---|
| Hardness (HRC) | 32-39 | | Tensile Strength (Mpa) | 835 min. |
ISO 7379 Socket Shoulder Screws| Property Class | 12.9 |
|---|
| Hardness (HRC) | 39-44 | | Tensile Strength (Mpa) | 1,100 min. |
DIN 916 Set Screws| Property Class | 45H |
|---|
| Hardness (HRC) | 45-53 |
| ASME B18.3 Socket Cap Screws| Diameter d | d <= 1/2 | d > 1/2 |
|---|
| Hardness (HRC) | 39-45 | 37-45 | | Tensile Strength (psi) | 180,000 min. | 170,000 min. | | Yield Strength at 0.2% Offset (psi) | 153,000 min. | 153,000 min. | | Elongation (%) | 10 min. | 10 min. |
ASME B18.3 Low Head Socket Caps| Diameter d | d <= 1/2 | d > 1/2 |
|---|
| Hardness (HRC) | 39-44 | 37-44 | | Tensile Strength (psi) | 145,000 min. | 135,000 min. |
ASME B18.3 Flat Head Countersunk Socket Cap Screws| Diameter d | d <= 1/2 | d > 1/2 |
|---|
| Hardness (HRC) | 39-44 | 37-44 | | Tensile Strength (psi) | 145,000 min. | 135,000 min. |
ASME B18.3 Button Head Socket Cap Screws| Diameter d | d <= 1/2 | d > 1/2 |
|---|
| Hardness (HRC) | 39-44 | 37-44 | | Tensile Strength (psi) | 145,000 min. | 135,000 min. |
ASME B18.3 Socket Shoulder Screws| Hardness (HRC) | 39-43 | | Tensile Strength (psi) | 140,000 min. |
ASME B18.3 Set Screws| Property Class | 45H |
|---|
| Hardness (HRC) | 45-53 |
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ISO 4014 / 4017 Hex Head Bolts| Property Class | 10.9 | 12.9 |
|---|
| Hardness (HRC) | 32-39 | 39-44 | | Tensile Strength (Mpa) | 1,040 min. | 1,220 min. | | Yield Strength at 0.2% Offset (Mpa) | 940 min. | 1,100 min. | | Elongation (%) | 9 min. | 8 min. |
ISO 4162 Hexagon Flange Bolts| Property Class | 10.9 | 12.9 |
|---|
| Hardness (HRC) | 32-39 | 39-44 | | Tensile Strength (Mpa) | 1,040 min. | 1,220 min. | | Yield Strength at 0.2% Offset (Mpa) | 940 min. | 1,100 min. | | Elongation (%) | 9 min. | 8 min. |
| ASME B18.2.1 Hexagon Head Cap Screws| Property Class | SAE J429-Grade 8 |
|---|
| Hardness (HRC) | 33-39 | | Surface Hardness (30N) | 58.6 max. | | Tensile Strength (psi) | 150,000 min. | | Yield Strength at 0.2% Offset (psi) | 130,000 min. | | Elongation (%) | 12 min. |
IFI-111 Hexagon Flange Screws| Property Class | SAE J429-Grade 8 |
|---|
| Hardness (HRC) | 33-39 | | Surface Hardness (30N) | 58.6 max. | | Tensile Strength (psi) | 150,000 min. | | Yield Strength at 0.2% Offset (psi) | 130,000 min. | | Elongation (%) | 12 min. |
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