40Cr Grade 10.9 High Strength Structural Bolt and Nut,40Cr M45 Fasteners Screws Bolts EB325
40Cr Grade 10.9 High Strength Structural Bolt and Nut,40Cr M45 Fasteners Screws Bolts EB325
1.Material Grade:40 Cr
2.Grade:10.9
3.Sizes:M45x3x350mm
4.Production Process:Forging
5.Surface Treatment:Blackening
6.Application:Mine, Cement Plant, Power Station, Chemical Industry, Ball Mill, SAG Mill
7.Production Process: Hot forging → Machining & Tapping→ Heat Treatment(Oil Quenching & Tempering) → Blackening Treatment.
8.Chemical Composition:
Composition (%) |
C |
Si |
Mn |
Cr |
Ni |
S |
P |
Cu |
40Cr | 0.37-0.44 | 0.17-0.37 | 0.5-0.8 | 0.8-1.0 | ≤0.3 | ≤0.035 | ≤0.035 | ≤0.03 |
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A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shipment. irrevocable LC at sight.
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