Tianjin Qiangbang Industrial Co., Ltd.

Sup-9 Spring Steel, Sup-9 Spring Steel Flat Bar, Leaf Spring Steel manufacturer / supplier in China, offering SAE5160h Leaf Spring′s Raw Materials Spring Steel Flat Bar, Individual Epoxy-Coated Wire Prestressing Steel Strand, Epoxy Coated Steel Strand for Prestressing Concrete and so on.

Supplier Homepage Product List Hot Rolled Steel Flat Bars SAE5160h Leaf Spring′s Raw Materials Spring Steel Flat Bar

SAE5160h Leaf Spring′s Raw Materials Spring Steel Flat Bar

FOB Price:US $565 - 580 / Ton
Purchase Qty. (Tons) FOB Price
25-49 US $580 / Ton
50-74 US $575 / Ton
75-99 US $570 / Ton
100+ US $565 / 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.:4.5mmx40mm to 35mmx150mm
Production Line:Short Stress Production Line
Brand Name:Daqiang
Place of Origin:Tianjin, China (Mainland)
Length:as Customers′ Requirements
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

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.
SAE5160h Leaf Spring's Raw Materials Spring Steel Flat Bar
SAE5160h Leaf Spring's Raw Materials Spring Steel Flat Bar
SAE5160h Leaf Spring's Raw Materials Spring Steel Flat Bar

GradeHeat 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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