SK4 SK95 AISI 1095 C100S cold rolled high carbon steel strip

SK4 SK95 AISI 1095 C100S cold rolled high carbon steel strip

SK4 SK95 AISI 1095 C100S cold rolled high carbon steel strip for Shock absorber valve disc,auto parts, saws, washers and etc

Classification: Spring Steel strip

Classification: Annealed Steel strip

Classification: Hardened and Tempered steel strip

Key Word: SK4 steel strip high carbon steel strip cold rolled steels trip SK95 steel strip AISI 1095 steel C100S Steel c100s

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SK4 SK95 AISI 1095 C100S cold rolled high carbon steel strip

SK4 SK95 AISI 1095 C100S cold rolled high carbon steel strip

1,Delivery Conditions:

Delivery Condition	Sizes	Surface	Edge
1.Cold Rolled	1.Thickness: 0.09-8mm	Bright / Polished / Blue/Yellow	Slit
2.Cold Rolled+Hydrogen Annealed	2.Width: 6-450mm		Round
3.Cold Rolled+Hardened+Tempered	Coil insider diameter: 300-800mm		Square

2, Grades comparision:

GRADES COMPARISON FOR SPRING STEEL
CHINA GB/T	USA ASTM	JAPAN JIS	GERMANY DIN	FRANCE NF	BIRTAIN BS	ISO	KOREA KS	TAIWAN CNS
45	1045	S45C	CK45	XC45		C45
50	1050	S50C	CK50	XC50	080M50	C50
60	1060	S60C	CK60	XC60	060A62	C60
70	1070	S70C	CK70	XS70		S70
75	1075	S75C	CK75	XC75		C75
T10	W1-9	SK4
T9	W1-8	SK5
SK85	---	SK85
40Mn	1043	SWRH42B	40Mn4	40M5	080A40	SL,SM
42Mn
65Mn	1566	S60C-CSP	CK67		080A67	C60E4
55Si2Mn	9255	SUP 6 /SUP7	55Si7	55Si7	251H60	55SiCr7
60Si2Mn	9260	SUP 6 / SUP7	65Si7	65Si7	251H60	61SiCr7	SUP3	SUP6
62Si2Mn
75Cr1		75Cr1	75Cr1	75Cr1
51CrV4	5160	SUP9A	51CrV4	51CrV4			SPS5A	SUP9A
30CrMo	G41300	SUP13	35CrMo4				SPS9	SUP13
50CrVA	6150	SUP10	51CrV4	51CrV4	735A51	51CrV4	SPS6	SUP10

3,Chemical Composition:

Standard	Grade	Chemical Composition（%）
Standard	Grade	C	Si	Mn	P	S	Cr	Ni	Cu	V
GB/T699	45	0.42～0.50	0.17～0.37	0.50～0.80	0.035	0.035	0.25	0.3	0.25
GB/T699	50	0.47～0.55	0.17～0.37	0.50～0.80	0.035	0.035	0.25	0.3	0.25
GB/T699	55	0.52～0.60	0.17～0.37	0.50～0.80	0.035	0.035	0.25	0.3	0.25
GB/T699	60	0.57～0.65	0.17～0.37	0.50～0.80	0.035	0.035	0.25	0.3	0.25
GB/T699	65	0.62～0.70	0.17～0.37	0.50～0.80	0.035	0.035	0.25	0.3	0.25
GB/T699	70	0.67～0.75	0.17～0.37	0.50～0.80	0.035	0.035	0.25	0.3	0.25
GB/T699	75	0.72～0.80	0.17～0.37	0.50～0.80	0.035	0.035	0.25	0.3	0.25
GB/T699	Mn40	0.37～0.44	0.17～0.37	0.70～1.00	0.035	0.035	0.25	0.3	0.25
GB/T699	Mn45	0.42～0.50	0.17～0.37	0.70～1.00	0.035	0.035	0.25	0.3	0.25
GB/T699	Mn65	0.62～0.70	0.17～0.37	0.90～1.20	0.035	0.035	0.25	0.3	0.25
GB/T1298	SK85/SK5	0.80 ~0.90	≤0.35	≤0.50	0.03	0.03	0.2	0.25	0.3
GB/T1298	SK4	0.95～1.04	≤0.35	≤0.40	0.035	0.03	0.25	0.2	0.3
GB/T3077	51CrV4	0.47～0.55	0.17～0.37	0.80～1.10	0.035	0.035	0.90～1.20	0.3	0.3	0.10～0.20
GB/T3077	50CrVA	0.47～0.54	0.17～0.37	0.50～0.80	0.025	0.025	0.80～1.10	0.3	0.3	0.10～0.20
GB/T3077	75Cr1	0.7～0.8	0.25～0.5	0.50～0.70	0.035	0.035	0.30～0.40
GB/T1222	55Si2Mn	0.52～0.60	1.50～2.00	0.60～0.90	≤0.035	≤0.035	≤0.35	≤0.35	≤0.25
GB/T1222	60si2Mn	0.56～0.64	1.50～2.00	0.60～0.90	≤0.035	≤0.035	≤0.35	≤0.35	≤0.25

4, Our Tolerances:

THICKNESS TOLERNACES
Nominal Thickness (mm)		W < 125			125 <= W
Nominal Thickness (mm)		A	B	C	A	B	C
0,15~0,25	TS EN	±0,015	±0,012	±0,008	±0,020	±0,015	±0,010
0,15~0,25	YONGLI STEEL	±0,008			±0,010
0,25~0,40	TS EN	±0,020	±0,015	±0,010	±0,025	±0,020	±0,012
0,25~0,40	YONGLI STEEL	±0,010			±0,012
0,40~0,60	TS EN	±0,025	±0,020	±0,012	±0,030	±0,025	±0,015
0,40~0,60	YONGLI STEEL	±0,015			±0,015
0,60~1,00	TS EN	±0,030	±0,025	±0,015	±0,035	±0,030	±0,020
0,60~1,00	YONGLI STEEL	±0,015			±0,020
1,00~1,50	TS EN	±0,035	±0,030	±0,020	±0,040	±0,035	±0,025
1,00~1,50	YONGLI STEEL	±0,020			± 0,025
1,50~2,50	TS EN	±0,040	±0,035	±0,025	±0,050	±0,040	±0,030
1,50~2,50	YONGLI STEEL	±0,025			±0,030
2,50~4,00	TS EN	±0,050	±0,040	±0,030	±0,060	±0,050	±0,035
2,50~4,00	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 10140		Production Width (mm)
Nominal Thickness (mm)		W < 125		125 <= W <= 250		250 < W
Nominal Thickness (mm)		A	B	A	B	A	B
0,2 ~ 0,6	TS EN	± 0,15	± 0,10	± 0,20	± 0,13	± 0,25	± 0,18
0,2 ~ 0,6	YONGLI STEEL	± 0,10		± 0,13		± 0,18
0,6 ~ 1,5	TS EN	± 0,20	± 0,13	± 0,25	± 0,18	± 0,30	± 0,20
0,6 ~ 1,5	YONGLI STEEL	± 0,13		± 0,18		± 0,20
1,5 ~ 2,5	TS EN	± 0,25	± 0,18	± 0,30	± 0,20	± 0,35	± 0,25
1,5 ~ 2,5	YONGLI STEEL	± 0,18		± 0,20		± 0,25
2,5 ~ 4,0	TS EN	± 0,30	± 0,20	± 0,35	± 0,25	± 0,40	± 0,30
2,5 ~ 4,0	YONGLI STEEL	± 0,20		± 0,25		± 0,30

5, Applications:

Product standard	Applications	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
S50C(CK50/1050)	- 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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