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40Cr Grade 10.9 High Strength Structural Bolt and Nut,40Cr M45 Fasteners Screws Bolts

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Address: 1099 Xinhua Road,214104, Xishan District, Wuxi, Jiangsu,China

Contact name:John Liu

40Cr Grade 10.9 High Strength Structural Bolt and Nut,40Cr M45 Fasteners Screws Bolts

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.

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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