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High tensile stainless steel wire used in strand and rope as shown is manufactured from 2l6s31 materila (BSEN 10088-l GRADE 1.4401 - formerly GRADE 3l6S3l BS 970) in the fully austenitic condition to give maximum corrosion resistance. All strand ond rope is of balaced design with king wires providing support for the outer wires and lay lengths arranged to give maximum strenght with minimum stretch. The ropes are normally preformed right hand lay. Strands are generally postformed.

The dimensions and tensile grades conform to BS MA 29 which stipulates tolerances on nominal diameter and minimum tensile strength for wire sizes and minumum breaking force for strands and ropes. The strength of strand and rope is in excess of this requirement. Sizes above 26mm are available to special order and further details are available on request.

	1 x 19 Construction			7 x 7 Construction			7 x 19 Construction
ØW Nominal Diameter mm	Part No	Minimum Breaking Strength KN	Approximate Weight Kg/100M	Part No	Minimum Breaking Strength KN	Approximate Weight Kg/100M	Part No	Minimun Breaking Strength KN	Approximate Weight Kg/100M
2	S19-020	3.13	1.95	R07-020	2.37	1.51	R19-020	2.21	1.53
2.5	S19-025	4.90	3.05	N/A	N/A	N/A	R19-025	3.48	2.38
3	S19-030	7.06	4.49	R07-030	5.34	3.40	R19-030	5.00	3.34
4	S19-040	12.55	7.81	R07-040	9.49	6.05	R19-040	8.89	5.94
5	S19-050	19.61	12.20	R07-050	14.81	9.46	R19-050	13.92	9.29
6	S19-060	28.24	17.60	R07-060	21.38	13.60	R19-060	20.00	13.40
7	S19-070	34.81	23.90	R07-070	29.13	18.50	R19-070	27.26	18.20
8	S19-080	45.50	31.20	R07-080	37.95	24.20	R19-080	35.60	23.80
10	S19-100	71.10	48.80	R07-100	59.33	37.80	R19-100	55.60	37.20
12	S19-120	101.99	70.30	R07-120	85.42	54.50	R19-120	80.02	53.50
14	S19-140	139.06	95.70				R19-140	108.86	72.80
16	S19-160	182.02	125.00				R19-160	133.37	99.00
19	S19-190	212.03	176.00
*22	S19-220	285.08	236.00
*26	S19-260	398.16	330.00
*28	S37-280	515.84	383.00
*30	S37-300	576.65	443.00
*32	S37-320	615.87	500.00

DyForm 1X19 Strand and 1X7 Strand

Norseman have developed two types of Dyform which offer the advantages of low stretch with a higher breaking strenght than conventional strands. Dyform cable can be terminated with swage type terminals and sizes of 4.76mm diameter and above can also use the Norseman swageless terminal with special cones.

The cross section diagrams show how the unique Dyform process creates specially shapes wires which fill a greater proportion of the strand cross section. This means higher breaking strength and more resistance to stretch for a given diameter (a higher modulus). The manufacturing process of Dyform virtually eliminates the need to "bed in" the wires. This "bed in" process is known as pre-stressing. Constructional stretch is as low as 0,01% and is achieved virtually on the initial loading. In addition the strength is increased by approximately 30% and the modulus is increased by a similar amount.

Dyform is not suitable for ferrule secured turnback eye terminations.

DYFORM					CONVENTIONAL 1 x 19
Part No	Construction	ØW Nominal Diameter mm	Minumun Breaking Strenght KN	Approx. Weight Kg/100M	Minimun Breaking Strength KN
D0T-025	1 x 7	2.5	6.77	3.4	4.90
D07-030	1 x 7	3	9.81	4.9	7.06
D07-035	1 x 7	3.5	13.24	6.7	N/A
D07-040	1 x 7	4	17.46	8.8	12.55
D19-050	1 x 19	5	23.93	13.5	19.61
D19-060	1 x 19	6	34.81	19.4	28.24
D19-070	1 x 19	7	48.15	26.0	34.81
D19-080	1 x 19	8	60.31	34.5	45.50
D19-100	1 x 19	10	95.81	54.0	71.10
D19-120	1 x 19	12	141.22	80.7	101.99
D25-140	1 x 25	14	189.28	115.0	139.06
D25-160	1 x 25	16	251.06	147.0	182.02
D31-190	1 x 31	19	313.82	206.6	212.03

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