TYRE BEAD WIRE

Bronze Coated Bead Wire Bead Wire Mechanical Performance and coating(GB 14450)

Bronze Coated Bead Wire
Bead Wire Mechanical Performance and coating(GB 14450)

Diameter (mm)	Tensile Strength (Mpa)		Number of TwistsTime / 360
Diameter (mm)	Normal Strength	High Strength	General Diameter (mm)	Normal Strength (gauge length)	Diameter (mm)	High Strength (gauge length)
0.78≤d<0.96	1900-2300	2150-2500	d<1.00	≥50(L=200d)	d<1.00	≥50(L=200d)
0.96≤d<1.25	1850-2250	2050-2400	1.00≤d<1.30	≥25(L=100d)	1.00≤d<1.83	≥20(L=100d)
1.25≤d<1.70	1750-2150		1.30≤d<1.42	≥22(L=100d)	1.83≤d	≥15(L=100d)
1.70≤d<2.10	1500-1800		1.42≤d	≥20(L=100d)
Chemical Composition of The Coating	Red Copper		Low Tin Bronze	High Tin Bronze	Minimum Rate of Elongation When Broken
Cu%	≥99.9		≥97	8094
Sn%			0.33	620
Thickness ofThe Coating(pm)	0.12±0.05		0.10±0.05 Or 0.17±0.05		5%
Yield strength degrees：the load corresponding to 0.2% yield strength is greater than or equal to 80% of the minimum breaking force of the wire.
1、The technology status and the grade of the tensile strength of the goods should be specified in the contract. 2、At the request of the users， after making a agreement by both parties(and specified in the contract) ， wecan make the bond test