rope sheave for oil drilling
- Category: >>>
- Supplier: Haian Haitai Steel Casting Co. Ltd.
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Product Overview
Description
Product Name | steel casting for blowout preventer |
Material | ZG25CrNiMo |
Standard | DIN GB ISO JIS BA ANSI ASTM 75K |
Used | oil well |
Steel Grade | Chemical Composition | ||||||||||||||
C | Si | Mn | Cr | Ni | Mo | S | P | ||||||||
ZG25CrNiMo | 0.25-0.30 | 0.20-0.40 | 0.70-0.90 | 0.4-0.70 | 0.4-0.7 | 0.15-0.25 | 《0.025 | 《0.025 | |||||||
ZG30CrMo | 0.26-0.33 | 0.17-0.37 | 0.40-0.70 | 0.8-1.10 | - | 0.15-0.25 | 《0.025 | 《0.025 | |||||||
ZG35CrMo | 0.32-0.40 | 0.17-0.37 | 0.40-0.70 | 0.8-1.10 | - | 0.15-0.25 | 《0.025 | 《0.025 | |||||||
Material Grade | Yield strength | Tensile stength | Elogation | Reduction of Area |
60K | 》414 | 》586 | 》18 | 》35 |
75K | 》517 | 》655 | 》18 | 》35 |
80K | 585-660 | 》725 | 》18 | 》35 |
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FAQ
Q: What is good for an enquiry?
A: Material,quantity,mechanical property requirement and class certificate.
Approved drawing is needed for surveyor's inspection or the surveyor will refuse.
It is better on the drawing,chemcial composition and mechanical property is clearly shown on the drawing.
Q: How long is your delivery time?
A: Generally at least 4 months.
Every customer want us to be quick with less time.
But we should follow the production schedule and follow the surveyor's schedule.
No need for us to guarantee a short time,but in fact it will be absolutely delayed.
We will strictly obey the contract we sign with the customers.
Q: What is your terms of payment ?
A: 30% T/T, 70% before shipment after customers' inspection or 30% down payment,70% L/C
A: Material,quantity,mechanical property requirement and class certificate.
Approved drawing is needed for surveyor's inspection or the surveyor will refuse.
It is better on the drawing,chemcial composition and mechanical property is clearly shown on the drawing.
Q: How long is your delivery time?
A: Generally at least 4 months.
Every customer want us to be quick with less time.
But we should follow the production schedule and follow the surveyor's schedule.
No need for us to guarantee a short time,but in fact it will be absolutely delayed.
We will strictly obey the contract we sign with the customers.
Q: What is your terms of payment ?
A: 30% T/T, 70% before shipment after customers' inspection or 30% down payment,70% L/C
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