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Cold rolled spring steel strip C75 1075 CK75 SK4 SK5 51CRV4 65Mn
Cold rolled spring steel strip C75 1075 CK75 SK4 SK5 51CRV4 65Mn
Cold rolled spring steel strip C75 1075 CK75 SK4 SK5 51CRV4 65Mn
Cold rolled spring steel strip C75 1075 CK75 SK4 SK5 51CRV4 65Mn
Cold rolled spring steel strip C75 1075 CK75 SK4 SK5 51CRV4 65Mn

Cold rolled spring steel strip C75 1075 CK75 SK4 SK5 51CRV4 65Mn

USD $900 - $2000 /Ton

Min.Order:2 Tons

Supply Ability:
50000 Ton / Tons per Month
Port:
Nanchang/Shenzhen/Shanghai/Xiamen/Ningbo
Payment Terms:
T/T L/C
Delivery Detail:
30 days

Quick Details View All >

Brand Name:
YONGLI
Place of Origin:
China
Model Number:
Customized
Length:
Customized
Thickness:
Customized
Width:
Customized

Xinyu Yongli Strip Steel Co.,Ltd

Business license
Business Type: Manufacturer
Main Products: Cold rolled steel strip ,Spring steel strip ,High carbon steel strip ,Hardened and Tempered steel strip ,Annealed steel strip
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Product Details

Cold rolled spring steel strip C75 1075 CK75 SK4 SK5 51CRV4 65Mn

Cold rolled spring steel strip C75 1075 CK75 SK4 SK5 51CRV4 65Mn

1,Delivery Conditions:

Delivery ConditionSizesSurfaceEdge
1.Cold Rolled 1.Thickness: 0.09-8mm Bright / Polished / Blue/YellowSlit
2.Cold Rolled+Hydrogen Annealed 2.Width: 6-450mmRound
3.Cold Rolled+Hardened+TemperedCoil insider diameter: 300-800mmSquare

 

2, Grades comparision:

 

GRADES COMPARISON FOR SPRING STEEL
CHINA  GB/TUSA     ASTMJAPAN    JISGERMANY   DINFRANCE   NFBIRTAIN  BSISOKOREA    KSTAIWAN   CNS
451045S45CCK45XC45
C45

501050S50CCK50XC50080M50C50

601060S60C CK60XC60060A62C60

701070S70CCK70XS70
S70

751075S75C CK75XC75
C75

T10W1-9SK4





T9W1-8SK5





SK85---SK85





40Mn1043SWRH42B40Mn440M5080A40SL,SM

42Mn







65Mn1566S60C-CSPCK67
080A67C60E4

55Si2Mn9255SUP 6  /SUP7              55Si755Si7251H6055SiCr7

60Si2Mn9260SUP 6 /  SUP7    65Si765Si7251H6061SiCr7SUP3SUP6
62Si2Mn







75Cr1
75Cr175Cr175Cr1



51CrV45160SUP9A51CrV451CrV4

SPS5ASUP9A
30CrMoG41300SUP1335CrMo4


SPS9SUP13
50CrVA6150SUP1051CrV451CrV4735A5151CrV4SPS6SUP10

 

3,Chemical Composition:

StandardGradeChemical Composition（%）
CSiMnP S CrNiCuV
GB/T699450.42～0.500.17～0.370.50～0.800.0350.0350.250.30.25
GB/T699500.47～0.550.17～0.370.50～0.800.0350.0350.250.30.25
GB/T699550.52～0.600.17～0.370.50～0.800.0350.0350.250.30.25
GB/T699600.57～0.650.17～0.370.50～0.800.0350.0350.250.30.25
GB/T699650.62～0.700.17～0.370.50～0.800.0350.0350.250.30.25
GB/T699700.67～0.750.17～0.370.50～0.800.0350.0350.250.30.25
GB/T699750.72～0.800.17～0.370.50～0.800.0350.0350.250.30.25
GB/T699Mn400.37～0.440.17～0.370.70～1.000.0350.0350.250.30.25
GB/T699Mn450.42～0.500.17～0.370.70～1.000.0350.0350.250.30.25
GB/T699Mn650.62～0.700.17～0.370.90～1.200.0350.0350.250.30.25
GB/T1298SK85/SK50.80 ~0.90≤0.35≤0.500.030.030.20.250.3
GB/T1298SK40.95～1.04≤0.35≤0.400.0350.030.250.20.3
GB/T307751CrV40.47～0.550.17～0.370.80～1.100.0350.0350.90～1.200.30.30.10～0.20
GB/T307750CrVA0.47～0.540.17～0.370.50～0.800.0250.0250.80～1.100.30.30.10～0.20
GB/T307775Cr10.7～0.80.25～0.50.50～0.700.0350.0350.30～0.40


GB/T122255Si2Mn 0.52～0.601.50～2.000.60～0.90≤0.035≤0.035≤0.35≤0.35≤0.25
GB/T122260si2Mn0.56～0.641.50～2.000.60～0.90≤0.035≤0.035≤0.35≤0.35≤0.25

 

4, Our Tolerances:

THICKNESS TOLERNACES
Nominal Thickness (mm)W <125125 <= W
ABCABC
0,15~0,25TS EN±0,015±0,012±0,008±0,020±0,015±0,010
YONGLI STEEL±0,008±0,010
0,25~0,40TS EN±0,020±0,015±0,010±0,025±0,020±0,012
YONGLI STEEL±0,010±0,012
0,40~0,60TS EN±0,025±0,020±0,012±0,030±0,025±0,015
YONGLI STEEL±0,015±0,015
0,60~1,00TS EN±0,030±0,025±0,015±0,035±0,030±0,020
YONGLI STEEL±0,015±0,020
1,00~1,50TS EN±0,035±0,030±0,020±0,040±0,035±0,025
YONGLI STEEL±0,020± 0,025
1,50~2,50TS EN±0,040±0,035±0,025±0,050±0,040±0,030
YONGLI STEEL±0,025±0,030
2,50~4,00TS EN±0,050±0,040±0,030±0,060±0,050±0,035
YONGLI STEEL±0,030±0,035
Please contact us if you have any special requirements.
















WIDTH TOLERANCES FOR SLIT EDGE (GK)
Width Tolerances TS EN 10140Production Width (mm)
Nominal Thickness (mm)W <125125 <= W <= 250250
ABABAB
0,2 ~ 0,6TS EN± 0,15± 0,10± 0,20± 0,13± 0,25± 0,18
YONGLI STEEL± 0,10± 0,13± 0,18
0,6 ~ 1,5TS EN± 0,20± 0,13± 0,25± 0,18± 0,30± 0,20
YONGLI STEEL± 0,13± 0,18± 0,20
1,5 ~ 2,5TS EN± 0,25± 0,18± 0,30± 0,20± 0,35± 0,25
YONGLI STEEL± 0,18± 0,20± 0,25
2,5 ~ 4,0TS EN± 0,30± 0,20± 0,35± 0,25± 0,40± 0,30
YONGLI STEEL± 0,20± 0,25± 0,30

 

5, Applications:

Product standardApplications
S50C(CK50/1050)- Measuring tape 
65Si2Mn- Springs
- Structural parts of cameras
50CrV4- Springs
- Chain parts
51CrV4- Springs
- Springs
SK4 (1095)- Measuring tape
- Clutch parts 
- Razor blades
- Washers 
- Pen points 
- Safety buckles
- Wind-up springs
S55C(CK55/1050)- Springs
- Springs
- Safety shoes 
- Cutlery
- Can openers 
- Knitting needles
- Thompson blades
SK5 (1085)- Measuring tape
- Structural parts of cameras
- Gauges 
S60C(CK60/1060)- Chain parts 
- Springs 
- Hand saws for woodworking
- Cutlery 
- Safety shoes 
- Knitting needles 
- Springs
- Band saws for woodworking
- Office equipment parts
  and lumbering 
- Washers
- Round saws
S65C(65MN/CK67)- Safety shoes
- Office equipment parts
- Clutch parts

S45C(CK45/1045)		- Clutch parts 
- Springs 
- Chain parts
- Washers
- Retainers
S75C(CK75/1075)- Clutch parts 
- Washers
- Springs 
S50C(CK50/1050)- Measuring tape 
- Band saws
- Structural parts of cameras



-Cold rolling mill 2HI, 4HI, 6HI-- 7 sets5, Our Mill:

-Annlealing Furnace Hydrogen and Nitrogen-36 sets

-EBNER lead quenching lines-2 sets ， Water quenching lines-10 sets

-Slitting machines-8 sets

-Pinch pass mill : 6 sets

-Our warehouse


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https://ylsteelstrip.goldsupplier.com/

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Quick Details

Brand Name:
YONGLI
Place of Origin:
China
Model Number:
Customized
Length:
Customized
Thickness:
Customized
Width:
Customized
Application:
Auto Parts, tools, band saws, stamping parts
Surface Treatment:
Polished
Technique:
Cold Rolled
Standard:
AISI, ASTM, BS, DIN, GB, JIS
Steel Grade:
Other, C75 1075 CK75 SK4 SK5 51CRV4 65Mn