Parabolic Leaf Springs for Heavy-Dutytrucks

Suspension Leaf Spring for Trailers&Trucks Specification
1.Production Name :	Parabolic leaf spring made by SUP9, SUP10 (50CrVA) steel
2.Types	SUP9, SUP10(50CrVA) steel leaf spring
3.Width	90mm
4.Thickness	20mm
5.Components:	Leaf,clips/clamps,center bolt bushing,tip insert,nuts
6.Color	shinning black,dark black,grey,Red, Galvanized
7.Materials:	SUP7(60Si2Mn),SUP9(55CrMnA),SUP11,52CrMoV4,50CrVA or as your required
8.Quality level:	Excellent quality for international market, made in China
Leaf springs production processing and requirements .
Material incoming	Chemical Composition test Mechanical Performance test
Material cuting	Cutting machine
straightening	Straightening machine
Drilling Holes	Drilling machine
Volume ear	Automatic volume ear machine
Parabolic machining	Automatic parabolic leaf spring rolling mill
quenching	Heating treatment production line
tempering	Heating treatment production line
Hardness test	100% test
Shot blasting	Shot blasting machine
Assembly	Leaf spring assemble line
Pre- compression	Pre-compression machine
Coating	Spray painting line
Testing	Hardness,Magnetic particle inspection , Dimension inspection, Performance test machine,
Package	in the pallets.

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