Steel Cord Conveyor Belt

Scope of Applications

Tensile strength of conveyor belts:500N/MM-7000N/MM

1)Max width of conveyor belts:2350mm

Applications

Long-distance transportation ,high speed,high carrying capacity,high tensile strength.

Features

1）High tension,it’s tension is three times as large as that of NN/EP rubber conveyor belt.

2）Short take-up travel for small elongation.

Technical

Technical Parameter

Take-Up Space for Rubber Conveyor Belt

Item	Elastic Elongation %	Permanent Elongation%	Take-UP Space%
Steel Cord Conveyor Belt	0.02-0.06	0.08-0.14	0.2
NN Conveyor Belt	0.3-0.6	1.3-1.8	2.4
EP Conveyor Belt	0.2-0.5	0.5-1.0	1.5

3)Good trough ability.Flexible and suitable for the idler with straight run.

4)Good performance,long service life.The single-layer structure,good resistance to flexural fatigue and strong rubber adhesion to the steel cords enable the ST conveyor belts to run at a higher speed than fabric belts.

5)Strong splice,excellent splice efficiency can be obtained by the overlap splicing method.

6)Internal inspection possible.Any damage can be identified though methods such as X-ray photography and to take appropriate measures.

7)Cover rubber,filled with ST or fiber,the rip resistance improved.

Technical Date for Steel Cord Conveyor Belt
Specification	ST 1000	ST 1250	ST 1600	ST 2000	ST 2500	ST 3150	ST 3500	ST 4000	ST 4500	ST 5000	ST 5400	ST 6300	ST 7000	ST 7500
Tensile Strength(N/mm)	1000	1250	1600	2000	2500	3150	3500	4000	4500	5000	5400	6300	7000	7500
Max Diameter of Cord(mm)	4	4.5	5	6	7.5	8.1	8.6	8.9	9.7	10.9	11.3	12.8	13.5	15.0
Pitch of Cord(mm)	12	12	12	12	15	15	15	15	16	17	17	18	19	21
Top Rubber Cover Thickness(mm)	6	6	6	8	8	8	8	8	8	8.5	9	10	10	10
Bottom Rubber Cover Thickness(mm)	6	6	6	8	8	8	8	8	8	8.5	9	10	10	10
Weight(kg/m²)	22.5	24	25.9	31.8	36.1	40.4	43.8	45	45.1	50.7	53.4

Width (mm)	Cord Number
	ST 1000	ST 1250	ST 1600	ST 2000	ST 2500	ST 3150	ST 3500	ST 4000	ST 4500	ST 5000	ST 5400	ST 6300	ST 7000	ST 7500
800	63	63	63	63	50	50	50
1000	79	79	79	79	64	64	64	64	59	55	55	54	49	45
1200	94	94	94	94	76	77	77	77	71	66	66	63	59	54
1400	111	111	111	111	89	90	90	90	84	78	78	74	69	63
1600	126	126	126	126	101	104	104	104	96	90	90	85	80	72
1800	143	143	143	143	114	117	117	117	109	102	102	96	90	82
2000	159	159	159	159	128	130	130	130	121	113	113	107	101	91
2200				176	141	144	144	144	134	125	125	118	111	100
2400				193	155	157	157	157	146	137	137	129	121	109
2600				209	168	170	170	170	159	149	149	140	131	119
2800				230	184	184	184	184	171	161	161	151	142	129
3000				247	198	198	198	198	185	174	174	148	152	138
3200				264	211	211	211	211	198	186	186	158	162	147

Rubber Cover Property and Grade
Test Items	Property Indexes
	GB9770-2001				DIN22131
	D	H	L	P	W	X	Y
Tensile Strength(Mpa)≥	18	25	20	14	18	25	20
Elongation at Break(％)≥	400	450	400	350	400	450	400
Change Rate （Strength Change Rate） of Tensile（％）	-25~+25	-25~2+25	-25~+25	-25~+25	-25~+25	-25~+25	-25~+25
Abrasion≤mm*3	90	120	150	200	90	120	150

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