GB 60Si2MnA SPRING STEEL FLAT BAR

JIS SUP7 SPRING STEEL FLAT BAR

JIS SUP7 Spring Steel Flat Bar is high-silicon grade especially designed for its spring properties.SUP7 spring steel is a high quality Alloy Spring Steel,it belong to the high quality high carbon alloy Spring Steel.   Similar Grades Spring ste……

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JIS SUP7 Spring Steel Flat Bar is high-silicon grade especially designed for its spring properties.SUP7 spring steel is a high quality Alloy Spring Steel,it belong to the high quality high carbon alloy Spring Steel.

 

Similar Grades

Spring steel: 60Si2Mn ASTM9260/DIN:1.0906 1.5028 1.0961/JIS SUP7

 

Chemical composition

Standard Grade Chemical composition (%)
C Si Mn P S Cr Ni
JIS SUP7 0.56-0.64 1.80-2.20 0.70-1.10 ≤0.030 ≤0.030

 

Equivalent of JIS SUP7 Spring Steel Flat Bar under different standard

ASTM/AISI/ASE 9260 SPRING STEEL FLAT BAR

GB 60Si2MnA SPRING STEEL FLAT BAR

 

Mechanical Properties

Quantity Value Unit
Young’s modulus 200000 – 200000 MPa
Tensile strength 650 – 880 MPa
Elongation 42972 %
Fatigue 275 – 275 MPa
Yield strength 350 – 550 MPa

JIS SUP7 Spring Steel Flat Bar

 

Physical Properties

Quantity Value Unit
Thermal expansion 10-10 e-6/K
Thermal conductivity 25 – 25 W/m.K
Specific heat 460 – 460 J/kg.K
Melting temperature 1450 – 1510 °C
Density 7700 – 7700 kg/m3
Resistivity 0.55 – 0.55 Ohm.mm2/m

 

Available Size

Hot rolled flat bar:

thickness: 5mm-115mm,

Width:50mm-250mm

 

Available Heat Treatment

Annealing/Normalizing/Hardening/Tempering/Quenching

Quenching temperature: 830℃-860℃, oil cooling

Tempering temperature: 490℃-540℃

JIS SUP7 Spring Steel Flat Bar

 

Characteristics

  1. High strength.
  2. High hardenability.

 

Application

Leaf and truncated conical springs for automotive and general engineering

 

Delivery Condition

Third Party :ABS ,DBV ,BV,GL,CCS,LR,RINA,KR,NK,CE,SGS,IKE,IEI or other quality department

Delivery time:5-30 days

Trade Term: FOB ,FCA,CFR,CIF

Payment Term: T/T or L/C.

Sample Service, Third party inspection

Stock:large quantity

Packing Type: Loose in Bulk, in bundles, seaworthy packing

Country of Origin: China

 

TECHNICAL SALES ASSISTANCE & SERVICE

If you have any requirement in steel plate for JIS SUP7 Spring Steel Flat Bar please feel free to contact us by email or calling.

 

Product Pictures