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High Quality Carbon Spring Steel Wire for Mattress
US$600.00
25 Tons
Product profile
Customization
AvailableSurface
SmoothTechnique
Copper CoatedModel NO.
Steel WireApplication
ManufacturingAlloy or Not
Non-alloyCarbon Content
0.50 - 0.80 % C (High Carbon)Diameter Range
1.20 - 5.00 mm (Customizable)Tensile Strength
1,400 - 2,050 MPa (Varies by Diameter & Grade)Lead Time
25 - 35 DaysTransport Package
BagSpecification
bagTrademark
GenmaxOrigin
ChinaHS Code
7320909000Production Capacity
5000000 Per YearKey features
High carbon grades deliver high tensile strength of 1,400-2,050 MPa for springs that support weight and resist sagging over years of use.
One supplier for the whole innerspring unit: 1.20-5.00 mm covers pocket spring, Bonnell spring, helical lacing, and border frame wire - equivalent to roughly 13-17 gauge plus thicker frame wire.
Multiple heat treatments plus anti-rust surface treatment keep wire clean and corrosion-free - durable, no rust - protecting spring quality through storage and shipping.
Controlled tensile strength and tight dimensional tolerance keep spring machines running non-stop without knots, length variation, or constant re-adjustment.
Produced to GB4357-2009 with controlled chemistry (C/Mn/Si/P/S/B); also available to DIN EN 10270-1, JIS G 3521, ASTM A227. Mill test certificate provided per shipment.
Recommended diameters supplied per part: pocket 1.8/2.0 mm, Bonnell 2.0/2.2 mm, helical 1.30/1.35/1.4 mm, border frame 4.0-5.0 mm.
Coils with paper core, steel strapped, plastic-wrapped; coil weight 100-1,200 kg; ungalvanized or galvanized finish - all customizable to order.
Company profile
Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 1999-09-08Nearest Port: nanjing, shanghai, ningboAverage Response Time: ≤2.88hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, DDP, CIP, EXW
About Our Factory & Business Background
AddressNO.8 Yuanhua Road, Qixia Distrist, Nanjing, Jiangsu, China
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Main ProductsMattress Machine, Quilting Machine, Mattress Spring Machine, Tape Edge Machine, Foam Machine, Foam Cutting Machine, Mattress Packing Machine, Mattress Sewing Machine, Strip Cutting Machine, Mattress Accessory
Our Industry Experience & Global Business Record
Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Product Q&A
Q:What is the best wire for mattress springs?
A:
High carbon steel wire is the industry standard for mattress springs because its high tensile strength (1,400-2,050 MPa) lets springs support weight and recover their shape after years of compression. Grades such as 82B, 72A, and 70B are widely used; the right choice depends on the spring type and required firmness.-
Q:What diameter wire is used for pocket springs vs Bonnell springs
A:
Pocket spring wire is usually 1.6-2.0 mm (commonly 1.8 or 2.0 mm). Bonnell spring wire is slightly thicker at 1.8-2.3 mm (commonly 2.0 or 2.2 mm). Helical lacing wire that ties springs together is thinner at 1.3-1.5 mm, and border frame wire is much thicker at 4.0-5.0 mm.
Q:What is helical wire used for in a mattress?
A:
Helical (spiral) wire is used to fasten individual Bonnell springs together into a complete spring net, forming the core of the mattress. It is shaped like a snake/coil and is typically 1.3-1.5 mm in diameter (commonly 1.30, 1.35 or 1.4 mm).
Q:Is the wire galvanized or ungalvanized?
A:
Both options are available. The standard finish is ungalvanized (black) high carbon steel with anti-rust treatment. Galvanized (zinc-coated) wire can be supplied on request for higher corrosion resistance in humid environments.
Q:What standard does the wire comply with?
A:
Our high carbon mattress spring steel wire is manufactured to GB4357-2009, with controlled chemical composition (C, Mn, Si, P, S, B) and tensile strength of 1,400-2,050 MPa by diameter.
Send Inquiry
*To:
Nanjing Genmax Machinery Co., Ltd.
Nanjing Genmax Machinery Co., Ltd.*Content:
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