Tianjin Qiangbang Industrial Co., Ltd.

Sup-9 Spring Steel, Sup-9 Spring Steel Flat Bar, Leaf Spring Steel manufacturer / supplier in China, offering Sup9/5160h Spring Steel Flat Bar, Individual Epoxy-Coated Wire Prestressing Steel Strand, Epoxy Coated Steel Strand for Prestressing Concrete and so on.

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Sup9/5160h Spring Steel Flat Bar

FOB Price:US $450 / Ton
Min. Order (Tons) FOB Price
25+ US $450 / Ton
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Min. Order: 25 Tons
Production Capacity: 40000 Ton/Month
Transport Package: Export Packing
Payment Terms: L/C, T/T, D/P

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Basic Info.

Model NO.:5mm x 35mm - 35mm x 165mm
Standard:DIN, JIS, ASTM, GB, BS
Technics:Hot Rolled
Application:Leaf Springs
Production Line:Short Stress Production Line
Brand Name:Daqiang
Surface1:Smooth Plain
Surface2:Double Grooved
Surface3:Single Grooved
Load Type:Compression
Production Process:Hot Roll
Specification:width 40mm-150mm, thickness 4.5mm-35mm
Origin:Tianjin, China
HS Code:72283090

Product Description

SUP9/5160H Hot Rolled Spring Steel Flat Bar
We produce spring flat steel. Our Daqiang Brand spring steel bar is in excellent quality and competitive price. We can produce and supply almost all grades of spring steel bars: 65Mn, 55Si2Mn, 60Si2Mn, 60Si2MnA, 55CrMnA, 60CrMnA, 60CrMnBA, 50CrVA; 60Si7, 55Si7, 55Cr3, 50CrV4, 51CrV4; SUP6, SUP7, SUP9, SUP9A, SUP10A; SAE1066, SAE1070, SAE5155, SAE5160, SAE9255, SAE9260 according to ASTM A29, ASTM A322, BS EN 10089-2002, DIN 17221-1988, GB/T 1222-1984, JIS G4801-2005. Spring steel flat bars are mainly used to make laminated leaf springs suspension of trucks and trailers, rotary coulter and hardware tools etc. We can produce spring steel bars of sizes and specifications of width 40mm-150mm, thickness 4.5mm-35mm, a variety of sizes from 4.5mmx40mm to 35mmx150mm.

Heat treatment °CMechanical Properties
(oil quenching)
Tempering0.2% proof stress  (N/mm2)Tensile Strength (N/mm2)Elongation     % minPeduction in cross sectional area %Hardness
Test piece no 4 or 7
SUP9830-860460-5101079 Min1226 Min9 Min20 Min321 Max 
5160H830-860460-5201079 Min1226 Min9 Min20 Min321 Max

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Tianjin Qiangbang Industrial Co., Ltd.

- Tianjin, China
- Manufacturer/Factory, Trading Company, Group Corporation

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