ASTM A453 GR. 660 CLASS A B C D Studs Bolts Nuts Specification:
Material for construction: UNS 66286/ Alloy A286 ,
A286 bolting for High Temperature applications.
ASTM A453 GR. 660 CLASS A B C D Studs Bolts Nuts Specification Pdf Download:
| Standards |
ASTM A 453 Gr.660 |
CLASS: |
A, B , C & D |
MOC: |
UNS 66286/ Alloy A286 |
Dimensions: |
ASME B18.2.1 , ASME B18.3 |
THREADS INCHES: |
ASME B1.1 2A/3A Unified Threads |
THREADS METRICS: |
B1.13M 6h Coarse Threads |
Additional Requirements: |
NACE MR0103/MR0175/ISO 15156 Compliance |
Mandatory Requirements: |
Free from Mercury & Radioactive Contamination |
Chemical Elements:
Chemical Elements |
Min. % |
Max. % |
Carbon C% |
0.08 |
|
Manganese Mn |
2.00 |
|
Phosphorus |
0.040 |
|
Sulfur |
0.030 |
|
Silicon |
1.000 |
|
Nickel |
24.00 |
27.00 |
Chromium |
13.5 |
16.00 |
Molybdenum |
1.00 |
1.50 |
Titanium |
1.90 |
2.35 |
Aluminum |
0.35 |
|
Vanadium |
0.10 |
0.50 |
Boron |
0.001 |
0.010 |
Mechanical Properties:
Grade |
Grade 660 |
Grade 660 |
Class |
A, B , C |
D |
Tensile Strength |
130 ksi |
130 ksi |
895 Mpa |
895 Mpa |
|
Yield Strength |
85 ksi |
105 ksi |
585 Mpa |
725 Mpa |
|
Elongaton % |
15 min % |
15 min % |
Reducton Area % |
18 min % |
18 min % |
Brinell Hardness |
248- 341 |
248- 341 |
Rockwell Hardness |
24-37 HRC |
24-35 HRC |
Stress Rupture Test Requirements:
Gr.660 |
Cl. A , B, C |
Test Temp. Deg F |
1200 |
Test Temp. Deg . C |
650 |
Stress Min. Ksi |
56 |
Stress Min. Mpa |
385 |
Time to Rupture.Min. Hr. |
100 |
Elongation Min. % |
5 |