Property |
3.6 |
4.6 |
4.8 |
5.6 |
5.8 |
6.8 |
8.8 |
10.9 |
12.9 |
<= 16mm |
> 16mm |
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 |
|
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. |
|
|