6.0mm 82b Cold Drawn Wire for Shutter Door Springs

• Certification: ISO
• Surface: Spiral
• Technique: Drawn Wire
• Application: Manufacturing, Construction
• Alloy or Not: Non-alloy
• Standard: BS, JIS, GB, ASTM, AISI
• Model NO.: 3mm-10mm
• Brand Name: Daqiang
• Strandard: Astma 421, BS5896, Jisg3536
• Size: 3.0-12.0mm
• Strength: 1470, 1570, 1670, 1860
• Coil Weight: 0.4-3.0 Ton / Coil
• Delivery Time: 7-15 Days Later
• Port of Loading: Xingang, China
• Weight Tolerance: 5% of Total Amount
• Payment: T/T, L/C
• Transport Package: Export Packing
• Specification: GB, ASTM, DIN, BS, JISG
• Trademark: DaQiang
• Origin: Tianjin, China (Mainland )
• Production Capacity: 30000tons Per Month

Product Description

6.0mm 82B Cold Drawn Wire for Shutter Door Springs







1. Strandard: ASTM A421, BS 5896, GB/T5223

2. DIA: 3.0, 3.2, 3.4, 3.8, 4.0, 4.2, 4.8, 5.0, 6.0, 7.0, 7.5, 8.0, 9.0, 10, 11, 12mm

3. Tensile Strength: 1470, 1570, 1670, 1770Mpa

4. Surface: Plain, Ribbed, Spiral, Indented.

5. The relaxation at 1000 hour is 1.0-2.0%

6. Material: SWRH 77B, 82B high carbon steel wire rod.

7. Packing: Baling strip, wrapped in anti-rust plastic paper, PP woven cloth

8. Weight: 0.4~2.0 tons per coil

The  specifications  and  technical  parameters
Nominal  Dia   (dn/mm)	Tolerance	Tensile  Strength   σ b/MPA  Not  less  than	Yield  Stength  (σ p0.2/MPA) Not  less  than	Elongation  at  max  load  (Lo=200mm) δ gt/% Not  less  than	Bending  Times Not  less  than	Bending  Radius  R/mm	Relaxation  Priperties
							The  relaxation  at  1000h  (initial  load  to  70%  of  nominal  tensile  strength  )  (r%)   Not  more  than
4.8	± 0.05	1470 1570 1670 1770 1860	1290 1380 1470 1560 1640	3.5	4	15	2.0
5.0
6.0	± 0.05	1470 1570 1670 1770	1290 1380 1470 1560		4	15
6.25
7.0						20
8.0	± 0.06	1470 1570	1290 1380		4	20
9.0						25