High Quality Spring Wire

• Type: Spring
• Materails: 82b, 70#
• Size: 1.8*2.0m
• Usage: Home, Hotel, School
• Transport Package: 1.5 Tons Per Coil. or Others
• Specification: ASTM
• Model NO.: 3.8mm
• Trademark: VIDA
• Origin: Tianjin, China
• HS Code: 72171000
• Production Capacity: 3000 Tons Per Month

Product Description

Black Spring wire for Bed Mattress use
High carbon high tensile strength spring wire for Bed mattress use .

We produce and large quality of the bed spring wire for mattress use with good quality and best price .
Raw materails: 70#65#82B,77B,or others .
Packing requirement: 50kgs per coil up to 1500kgs per coil . as customer's requirement .
Tensile strength : 1500N/MM2-2500N/MM2. can be produce control when producing the tensile strength .
Delivery time: 20 days after the first deposit .
Payment terms: 30% advance deposit and balance against the Bl COPY .

Any other question , just let me know .
More information , just visit our website .

 

GB 4357-89:

Dia (mm)	Deviation mm	Tensile strength    ( MPa )
		B Grade B1         B2		C Grade C1          C2		D Grade D1         D2
0.80	±0.01	1710-1885	1885-2060	2010-2205	2205-2400	2400-2620	2620-2840
0.90		1710-1885	1885-2060	2010-2180	2180-2350	2350-2550	2550-2750
1.00		1660-1835	1835-2010	1960-2130	2130-2300	2300-2495	2495-2690
1.20	±0.03	1620-1790	1790-1960	1910-2080	2080-2250	2250-2400	2400-2550
1.40		1620-1765	1765-1910	1860-2035	2035-2210	2150-2300	2300-2450
1.60		1570-1715	1715-1860	1810-1985	1985-2160	2110-2255	2255-2400
1.80		1520-1665	1665-1810	1760-1935	1935-2110	2010-2155	2155-2300
2.00		1470-1615	1615-1760	1710-1860	1860-2010	1910-2055	2055-2200
2.20		1420-1565	1565-1710	1660-1810	1810-1960	1810-1960	1960-2110
2.50		1420-1565	1565-1710	1660-1810	1810-1960	1760-1910	1910-2060
2.80		1370-1520	1520-1670	1620-1765	1765-1910	1710-1860	1860-2010
3.00		1370-1520	1520-1670	1570-1715	1715-1860	1710-1835	1835-1960
3.50	±0.03	1320-1470	1470-1620	1570-1690	1690-1810	1660-1785	1785-1910
4.00		1320-1470	1470-1620	1520-1640	1640-1760	1620-1740	1740-1860
4.50		1320-1445	1445-1570	1520-1640	1640-1760	1620-1740	1740-1860
5.00		1320-1445	1445-1570	1470-1590	1590-1710	1570-1690	1690-1810
5.50		1270-1395	1395-1520	1470-1590	1590-1710	1570-1690	1690-1810
6.00		1220-1345	1345-1470	1420-1540	1540-1660	1520-1640	1640-1760