COLD FORMING MATERIALS

S40C Cold heading steel wire

MATERIALSENGINEERINGCREATION GROUP

Products / JIS Standard / JIS G4051

S40C Cold heading steel wire

Diameter of wire: 0.40-46mm

Tensile Strength: Please refer to the technical information page

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Shanghai Creation GroupIs China. It is a benchmark company that has 20 years of experience in an enterprise that focuses on cold heading quality steel wires in the entire management team. We have a good relationship with many tier one suppliers in the automotive industry and all the wire wire is supplied by brand steel mills. All orders are 100% traceable.

Technical delivery conditions

Surface Quality

- : Continuous, smooth

- : No stitches, no overlap, potholes, scratches, no extension marks

- : No rust

Applied Industry

- : Automotive Industry

- : Construction

- : Machinery & Equipment Industry

- : Other Industries

Case Study

Products & Service

Wire rod

Pickling and phosphating

Cold drawing

Spheroidizing annealing

Inspection

Finished products

1. Chemical composition

Table 2-Chemical ingredients, units %

Steel grade	C	Si	Mn	P	S	Ni	Cr a）	Cu	Ni+Cr b）
S10C	0.08~0.13	0.15~0.35	0.30~0.60	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S12C	0.10~0.15	0.15~0.35	0.30~0.60	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S15C	0.13~0.18	0.15~0.35	0.30~0.60	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S17C	0.15~0.20	0.15~0.35	0.30~0.60	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S20C	0.18~0.23	0.15~0.35	0.30~0.60	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S22C	0.20~0.25	0.15~0.35	0.30~0.60	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S25C	0.22~0.28	0.15~0.35	0.30~0.60	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S28C	0.25~0.31	0.15~0.35	0.60~0.90	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S30C	0.27~0.33	0.15~0.35	0.60~0.90	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S33C	0.30~0.36	0.15~0.35	0.60~0.90	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S35C	0.32~0.38	0.15~0.35	0.60~0.90	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S38C	0.35~0.41	0.15~0.35	0.60~0.90	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S40C	0.37~0.43	0.15~0.35	0.60~0.90	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S43C	0.40~0.46	0.15~0.35	0.60~0.90	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S45C	0.42~0.48	0.15~0.35	0.60~0.90	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S48C	0.45~0.51	0.15~0.35	0.60~0.90	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S50C	0.47~0.53	0.15~0.35	0.60~0.90	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S53C	0.50~0.56	0.15~0.35	0.60~0.90	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S55C	0.52~0.58	0.15~0.35	0.60~0.90	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S58C	0.55~0.61	0.15~0.35	0.60~0.90	≤0.030	≤0.035	≤0.20	≤0.20	≤0.30	≤0.35
S09CK	0.07~0.12	0.10~0.35	0.30~0.60	≤0.025	≤0.025	≤0.20	≤0.20	≤0.25	≤0.30
S15CK	0.13~0.18	0.15~0.35	0.30~0.60	≤0.025	≤0.025	≤0.20	≤0.20	≤0.25	≤0.30
S20CK	0.18~0.23	0.15~0.35	0.30~0.60	≤0.025	≤0.025	≤0.20	≤0.20	≤0.25	≤0.30

Elements not specified in this table should not be intentionally added except for the purpose of finishing the molten steel.
Note a) may be less than 0.30% by agreement between the receiving parties.
b) The upper limit of Ni + Cr may be set to less than 0.40% for S09CK,S15CK and S20CK, and less than 0.45% for other types according to the agreement between the receiving parties.

2. Mechanical properties of the wire

A value of a mechanical nature may be agreed between the receiving parties.

3. Dimensions tolerance

Table 8-Dimensions tolerance of hot rolled wire

Diameter	Diameter tolerance	Out-of-roundness a）
<15	±0.3	<0.4
15<d≤25	±0.4	<0.5
25<d≤32	±0.5	<0.6
32<d≤50	±0.6	<0.7

The tolerance of the dimensions of the wire with a diameter of more than 50 mm depends on the agreement between the receiving parties.
Note a) The deviation is the difference between the maximum value and the minimum value of the diameter in the same cross-section of the wire.

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