M30 X 370mm 40Cr Liner Bolt,Mine Mill Liner Bolt Fastener EB2389
M30 x 370mm 40Cr Liner Bolt,Mine Mill Liner Bolt Fastener EB2389
Material Grade: 40Cr
Quality Level: 12.9, 10.9, 8.8, 6.8, 4.8 Grade
Sizes: M20,M24, M27,M30,M36,M42,M45
Bolt-head Shape: oval head, square head,ellipse head
Service Life Guarantee: 12 months under normal working condition
|
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 |
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5~10 days if the goods are in stock.Or it is 45 days if the goods are not in stock, it is according to quantity.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shipment. irrevocable LC at sight.
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