Smooth Spring Steel Strip Trademark

• Type: Coil
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Composition: Ferrous Steel Scrap
• Technique: Forged
• Shape: Bar
• Surface Treatment: Machined
• Model NO.: Steel Strip
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel, Die Material
• Application: Tool Steel Bar
• Length: 2500-5500mm
• Transport Package: N/M
• Specification: 6-400mm
• Trademark: Smooth
• Origin: China
• HS Code: 7228400000
• Production Capacity: 5000ton/Month

Product Description

CHEMICAL COMPOSITION:

C	Si	Mn	P	S	Cr	Mo	Ni	B
0,62-0,70	0,17-0,37	0,90-1,2	-	-	Max. 0,25	-	-	-

MECHANICAL PROPERTIES:

	Unit	Value
Hardness after thermal treatment	HB	Max. 241
Quenching in oil	Temperature	830 °C
Tempering	Temperature	470 °C
Yield stress	Re (Rp0.2), MPa	Min. 785
Ultimate tensile strength	Rm MPa	Min. 980
Elongation	A, %	Min. 8
Reduction of area	Z, %	Min. 30
Impact energy	KV, J	-
Physical properties
Property	Unit	Value
Density, ρ	g·cm^-3	7.85

TECHNOLOGICAL TREATMENT PROCESSES:

Technological treatment processes			Possible application	Temperature, °C
Hot forming	Forging		+	800 - 1180
	Rolling		+	850 - 1180
Heat treatment	Annealing	Normalising	+	810 - 830
		Soft annealing	+	640 - 680
	Heat treatment after carburising^1)	Quenching	+	810 - 830
		Tempering	+	640 - 680

APPLICATION:

Our Smooth Spring Steel Strip Trademark is perfect for crafting small cross-section springs and leaf springs. It features low hardenability, making it a versatile choice for various spring applications.
This premium spring steel, commonly referred to asannealed spring steel,is celebrated as a 'general use' steel due to its numerous
applications. At Huangshi Smooth Industry and Trade Co., Ltd, we offer a comprehensive selection of spring steel products, including multiple grades,
sizes, gauges, and more. With its unique properties, our spring steel is the ideal material for manufacturing springs
and other similar high-performance components.