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  KWK Steel Co.,Ltd.
Tel:+86-576-88808821
Fax:+86-576-88809380
Email:sales@kwksteel.com
http://www.kwksteel.com
 
 Sophisticated High-strength Seamless Steel Tube for Drilling

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Application: Wire-line coring drilling rod, geology prospecting, drilling machine, etc.

Size Range: OD 33-95mm, WT 2-10mm.

Steel Grade: 45MnMoB, 30CrMnSiA, KWK850.

Mechanical Properties:

Grade

Delivery condition

Yield Point

Tensile Strength

Elongation

Drilling Depth Record

45MnMoB

Normalized

≥600Mpa

≥800Mpa

14%

2401.12m

30CrMnSiA

Quenching and Tempering

800Mpa

≥900Mpa

14%

2212.88m

KWK850

Quenching and Tempering

≥850Mpa

≥950Mpa

14%

2706.68m

 

Straightness:0.25mm/1000mm, 0.5mm/1000mm.

Contact us for more information!

 
 
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