Dz40 Grade Steel Tube for Geological Drill

• After-sales Service: Technical/Sample/Quality
• Type: Seamless
• Technique: Hot Rolled
• Material: Alloy Steel
• Od Outsider Diameter: 30 to 189 mm
• Wt Wall Thickness: 30 to 60 mm
• Model NO.: DZ40
• Trademark: SHUNFU
• Origin: China
• Production Capacity: 100000 Tons Per Year

Product Description

DZ40 Grade Steel Tube For Geological Drill

The DZ40 steel grade encompasses two commonly used steel materials, namely 45MnB and 50Mn, which find significant application in the field of geological drilling.

45MnB is a type of structural and alloy steel known for its strength and toughness. It is well-suited for geological drilling applications, where it can withstand the mechanical stresses and abrasive forces encountered during the drilling process.

On the other hand, 50Mn is another steel variant within the DZ40 grade. It offers similar mechanical properties and is also utilized in geological drilling operations. Its robustness and durability make it an excellent choice for drilling into various geological formations.

Both 45MnB and 50Mn, as part of the DZ40 steel grade, are selected for their resilience, impact resistance, and heat tolerance, all of which are crucial attributes when drilling deep into the Earth's subsurface. Whether it's diamond core drilling or other geological exploration methods, DZ40 steel grades provide the structural integrity and performance needed to extract valuable geological samples effectively.
 

45MnB Chemical composition %

C(%)	Si(%)	Mn(%)	B(%)
0.42-0.49	0.17-0.37	1.10-1.40	0.0005-0.0035

45MnB Mechanical Properties

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
673 (≥)	787 (≥)	21	44	32	Solution & Aging, Ann, Ausaging, Q+T	343

 

50Mn Chemical Composition

Grade	Chemical Composition%
	C	Si	Mn	Cr	Ni	Cu
				Not greater than
50Mn	0.48~0.56	0.17~0.37	0.70~1.00	0.25	0.25	0.25

 

50Mn Mechanical Property

Grade	Mechanical Property					Hardness of deliveryNot greater than
	Tensile Strength σb (MPa)	Yield Strengthσs (MPa)	Elongation Rate δ5 (%)	Shrinkage Ratio ψ (%)	Impact Energy Akv (J)
	Not less than					Non thermal treatment(HB)	Annealed steel (HB)
50Mn	645	390	13	40	31	255	217