Mine Steel Strand

Mine steel strand usually is multi wires strand for prestressing , composited with 19 wires , including seale type and warrington type .we produce them strictly in accordance with standards GB/T31314 -2018 , YB/T 4428-2014 , DB 44/T 1504-2014 . This product could be used for rock and soil anchoring，roadway anchoring / underground mine roof reinforcement .

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ADVANTAGES

Steel Strand not only achieves high tensile strength, but also has better plasticity and toughness

USE

-Where can our Mine steel strand be used?

rock and soil anchoring，roadway anchoring / underground mine roof reinforcement .

SPECIFICATIONS

Structure	Standard	Nominal diameter	Tolerance on Diameter	Nominal Area of Section	Weight of strand	Tensile Strength, Rm	Minimum Breaking load,Fm	0,2% proof force , Fp0.2	Elongation Lo=500mm, Agt	Curvative of strand	Lay Length	The Relaxation at 1000h (initial load to 70% of nominal max load ) (r/%) Not more than
		(mm)	(mm)	(mm2)	(kg/1000m)	(N/mm2)	KN	KN	(%)	mm	mm
Seale Type	GB/T 31314	28. 6	+0.60,-0.25	532	4229	1770	942	829	3.5	25	(12-18)d	2.5
Seale Type	GB/T 31314	28. 6	+0.60,-0.25	532	4229	1810	963	847	3.5	25	(12-18)d	2.5
Seale Type	GB/T 31314	28. 6	+0.60,-0.25	532	4229	1860	990	871	3.5	25	(12-18)d	2.5
Warrington Type	GB/T 31314	28. 6	+0.60,-0.25	532	4229	1770	942	829	3.5	25	(12-18)d	2.5
Warrington Type	GB/T 31314	28. 6	+0.60,-0.25	532	4229	1810	963	847	3.5	25	(12-18)d	2.5
Warrington Type	GB/T 31314	28. 6	+0.60,-0.25	532	4229	1860	990	871	3.5	25	(12-18)d	2.5

PACKAGE

As per clients’ requirement