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Jiaozuo Mengxin Special Steel Co., Ltd.
China Manufacturer with main products: Forged Rolls, Work Rolls, Sold Rolling Mill Rolls, Steel Rolling Mill, Reversing Mill, Forged Steel Roll, 9CR2MO, SAE52100 |
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| Place of Origin: | Henan in China |
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Specifications
drill collars are manufactured from AISI 4145h or 36crnimo4 modified steel, and are supplied in the" as rolled" surface finish condition. alternative surface finishes can be provided.
trepanning and heat treatment :
drill collars are trepanned and drifted to API spec 7. full-length heat-treatment processes ensure that mechanical properties meet or exceed API spec 7 requirements. a hardness range of 285-341, Brinell hardness and Charpy #129;gv#129;h notch minimum impact strength of 40 ft-lb at 70of are guaranteed one inch below the surface.
trepanning and heat treatment :
drill collars are trepanned and drifted to API spec 7. full-length heat-treatment processes ensure that mechanical properties meet or exceed API spec 7 requirements. a hardness range of 285-341, Brinell hardness and Charpy #129;gv#129;h notch minimum impact strength of 40 ft-lb at 70of are guaranteed one inch below the surface.
Service Guarantee
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Free Service Charge
ECVV doesn't charge any service fee to Buyers for buying this product.
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ECVV Supply
ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.
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Product Quality Commitment
ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.
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Deposit Service Commitments
In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.
After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.
Non-Magnetic Drill Collars from this supplier
Min Order: 1 Set
Min Order: 1 Unit
FOB Price: 1,000.00-2,000.00 USD/Piece
Min Order: 1 Piece
FOB Price: 15.89-35.98 USD/Piece
Min Order: 10 Pieces
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