In order to meet the stable demand of spring flat bars from foreign customers, our company has been integrated material resources of billet in competitive price and produce in large amount. We have long-time cooperation with domestic steel mills which guaranteed quality and delivery time. Meanwhile, we ourselves are strict on raw material and quality. We usually stock with regular dimensions for meet the customers’ demands on min 1 Ton. At present, the spring flat bars has been widely used on auto fittings, auto manufacturing, hardware tools, chain manufacturing and other machinery manufacturing industry. At present, the dimensions of spring flat bars that our company is able to supply are as follows:
65Mn、60Si2Mn、60Si2MnA、55SiCr、55CrMn、55CrMnA、60CrMnA、50CrV、50CrVA、65F、60C2、60C2A、55XFA、50XΦA、SUP7、S65C-CSP、SAE1566、60C2、SAE9260、SUP9、SAE5155、SUP10、SAE5155、SAE6150、GCr15、SUJ2、SAE52100、ISO100Cr6、En100Cr6、ⅢX15、C60E4、C60E、61SiCr7、55Cr3、1.7176、51CrV4、1.8159
We can supply size as follow:
Spring flat bar steel:Thicknes:5mm-30mm; Wid: 40mm-200mm;
SPRING WIRE: Ф0.9mm-Ф25mm;
ROUND BAR: Ф6mm-Ф250mm;
SPRING PLATE STEEL:Thickness:8mm-40mm; Wide:1250-2000MM。
CROSS PROFILES: Thickness 250 mm
二 Dimension Tolerance:
三 Grade Comparison And Chemical Composition:
At the same time, Because the spring steel HRC is too high to hard process. Our company will supply the service of “annealing+straightening”
Leaf Spring
Spring Steel Flat Bar
Size: 7x75, 8x90, 7x60, 7x63
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Hot Rolled Spring Flat Bar Steel
Size: 7x90, 8x70, 8x60, 12x90
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Hot Rolled Spring Flat Bar Steel
Size: 9x80, 22x120, 32x120, 32x110
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Hot Rolled Spring Flat Bar Steel
Size: 13x90, 9x70, 9x75, 10x75
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Hot Rolled Spring Flat Bar Steel
Size: 10x80, 13x75, 11x70, 11x80
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Steel Flat Bar
Size: 11x90, 10x75, 10x60, 10x63
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Steel Flat Bar
Size: 11x60, 14x60, 14x70, 14x75
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Steel Flat Bar
Size: 14x80, 14x90, 16x80, 16x75
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Steel Flat Bar
Size: 16x90, 13x75, 11x70, 11x80
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Steel Flat Bar
Size: 11x60, 14x60, 14x70, 14x75
Grade: SUP10, 51CrV4, 5155, 5160, 5150
Spring Steel Flat Bar
Size: 11x60, 14x60, 14x70, 14x75
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Steel Flat Bar
Size: 11x90, 10x75, 10x60, 10x63
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Steel Wire
Size: 10x80, 13x75, 11x70, 11x80
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Steel Wire
Size: 11x60, 14x60, 14x70, 14x75
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Steel Wire
Size: 11x60, 14x60, 14x70, 14x75
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Steel Flat Bar
Size: 16x90, 13x75, 11x70, 11x80
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Flat Steel
Size: 11x90, 10x75, 10x60, 10x63
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Flat Steel
Size: 11x60, 14x60, 14x70, 14x75
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Flat Steel
Size: 10x80, 13x75, 11x70, 11x80
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Flat Steel SUP9
Size: 11x60, 14x60, 14x70, 14x75
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Flat Steel SUP9
Size: 16x90, 13x75, 11x70, 11x80
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Flat Steel
Size: 10x80, 13x75, 11x70, 11x80
Grade: SUP10, 55Cr3, 5155, 5160, 5150
Spring Steel Plate
Thickness: 3.5mm - 30mm
Wide: 50mm - 1500mm
Spring Round Steel SUP9
Size: 11x90, 10x75, 10x60, 10x63
Grade: SUP9, 55Cr3, 5155, 5160, 5150
Spring Round Steel SUP9
Size: 16x90, 13x75, 11x70, 11x80
Grade: SUP9, 55Cr3, 5155, 5160, 5150