PRODUCT
Material: Carbon steel
Grade: Gr10.9
Finish: Black
Standard: DIN7999
Certification: ISO9001
MOQ:1000PCS
Samples: Free
Place of Origin: Zhejiang China
Product Details
ASTM A490 class 10.9 high strength bolt for steel structure
Gr10.9 Chemical Composition(%) | |||||||
C | Si | Mn | P | S | Cr | Ni | Cu |
0.37-0.4 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | 0.8-1.1 | ≤0.03 | ≤0.03 |
10.9 Mechanical property | |||
σb≥ | σ0.2≥ | δ5 (%)≥ | ψ≥ |
980 | 205(Mpa) | 0.09 | 45 |
d | M12 | M16 | M20 | M22 | M24 | M27 | M30 | |
P | 1.75 | 2 | 2.5 | 2.5 | 3 | 3 | 3.5 | |
ds | Metric | 13 | 17 | 21 | 23 | 25 | 28 | 31 |
Max | 12.85 | 16.85 | 20.84 | 22.84 | 24.84 | 27.84 | 30.83 | |
Min | 12.74 | 16.74 | 20.71 | 22.71 | 24.71 | 27.71 | 30.67 | |
b | 18.5 | 22 | 26 | 28 | 29.5 | 32.5 | 35 | |
e | Min | 22.78 | 29.56 | 37.29 | 39.55 | 45.2 | 50.85 | 55.37 |
k | 8 | 10 | 13 | 14 | 15 | 17 | 19 | |
s | 21 | 27 | 34 | 36 | 41 | 46 | 50 | |
y | Max | 6.5 | 7.5 | 8.5 | 8.5 | 10 | 10 | 11.5 |