Oil tempered spring steel wire for big size, Excellent Oil tempered spring steel wire for big sizes, Oil tempered spring steel wire for big size Manufacturer

Oil tempered spring steel wire for big size

Item Code: Features:1. Material: SAE6150; SAE9255; SAE9254V; SAE1566; SAE1065 and so on. 2. Size: Diameter：6mm--20mm. 3. Usage: spring, machinery manufacturing, etc.

Description

Commodity: Oil tempered spring steel wire for big size

1. Material JIS: SUP6; SUP7; SUP9; SUP9A; SUP10; SUP12; SUP12V; S60C.
                    SAE: SAE9254; SAE9260; SAE6150; SAE9255; SAE9254V; SAE1566; SAE1065; SAE52100.
                    DIN: 55Cr3; 60Si7; CK67; 60SiCr7; 50CrV4; 100Cr6.

2. Usage Automobile suspension spring frame; clutch spring; motorcycle damping spring;
cylinder valve spring; automobile plate spring; sofa mattress; etc.

3. Size Diameter: 6mm--20mm

4. Material chemical composition

Steel grade	C	Mn	S	P	Si	Cr	Cu
SUP9	0.52～0.60	0.65～0.95	≤ 0.030	≤ 0.030	0.17～0.37	0.65～0.95	≤0.25
SAE9254	0.51～0.59	0.60～0.90	≤0.040	≤ 0.035	1.20～1.60	0.60～0.80
SAE6150	0.48～0.53	0.70～0.90	≤ 0.035	≤ 0.040	0.15～0.35	0.80～1.10
55CrSi	0.50～0.60	0.50～0.80	≤ 0.030	≤ 0.030	1.20～1.60	0.50～0.80	≤ 0.02
60Si2Mn	0.56～0.64	0.60～0.90	≤ 0.035	≤ 0.035	1.60～2.00	≤ 0.035	≤0.25
CK67	0.63～0.68	0.50～0.80	≤ 0.035	≤ 0.035	0.10～0.30	≤0.150	≤0.25
100Cr6	0.95～1.05	0.25～0.45	≤0.025	≤0.025	0.15～0.35	1.40～1.65	≤0.25
SUP10	0.47～0.55	0.65～0.95	≤ 0.030	≤ 0.030	0.15～0.35	0.80～1.10	≤0.25

5. Tensile strength

Diameter Range(mm)	Tensile Strength	MPA				Reduction	of Area
	FDC TDC	FDCrV-A TDCrV-A	FDCrV-B TDCrV-B	FDSiMn TDSiMn	FDCrSi TDCrSi	FD	TD
>6.00-6.50	1440-1590	1420-1570	1510-1660	1640-1790	1760-1910	35	40
>6.50-7.00	1430-1580	1400-1550	1500-1650	1630-1780	1740-1890	35	40
>7.00-8.00	1400-1550	1380-1530	1480-1630	1620-1770	1710-1860	35	40
>8.00-9.00	1380-1530	1370-1520	1470-1620	1610-1760	1700-1850	30	35
>9.00-10.00	1360-1510	1350-1500	1450-1600	1600-1750	1660-1810	30	35
>10.00-12.00	1320-1470	1320-1470	1430-1580	1580-1730	1660-1810	30	----
>12.00-14.00	1280-1430	1300-1450	1420-1570	1560-1710	1620-1770	30	----
>14.00-15.00	1270-1420	1290-1440	1410-1560	1550-1700	1620-1770	-----	----
>15.00-17.00	1250-1400	1270-1420	1400-1550	1540-1690	1580-1730	-----	----

Note: When dia≤5.00mm for FDSiMn, the Reduction of Area should be above 35%; When dia between 5.00and 14.00, the Reduction of Area should be above 30%.

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