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CK67 High Carbon Steel Coil
| Model No. : | CK67 High Carbon Steel Sheet In Coil |
|---|---|
| Brand Name : | CHANGYI |
| standard : | Aisi,Astm,Bs,Din,Gb,Jis |
Liaocheng, Shandong, China
- Manufacturer
- Trade Company
- Gold Supplier
- Platform Certification
Product description
PRODUCT DESCRIPTION
CK67 High Carbon Steel Coil.
CK67 is a high-precision carbon spring steel with excellent metallurgical quality (high purity and uniformity), good surface quality (strict control of surface defects and decarburization), precise shape and size. After heat treatment or cold drawing hardening, higher strength, hardness, elasticity and appropriate toughness and plasticity can be obtained. Under the same surface state and complete hardening, the fatigue limit is not worse than that of alloy spring steel. However, compared with alloy spring steel, CK67 steel has average hardenability. Oil quenching or water quenching can be used for smaller sizes. It is hardened by water quenching, oil cooling or normalizing, so the steel is widely used in the manufacture of springs of smaller sizes.
Chemical composition of CK67 spring steel:
Carbon C: 0.65~0.72%
Silicon Si: 0.15~0.35%
Manganese Mn: 0.60~0.90%
Phosphorus P: ≤0.035%
Sulfur S: ≤0.035%
Chromium Cr: ≤0.40%
Nickel Ni: ≤0.40%
Molybdenum Mo: ≤0.10%
Mechanical properties of CK67 spring steel:
Density ρ (kg/m3): about 7850;
Tensile strength σb (MPa): ≤640 (annealed), ≤1140 (cold rolled), 1200~1900 (quenched + tempered);
Yield strength σs (MPa): ≤510 (annealed);
Elongation δ5(%): ≥16 (annealed);
Brinell hardness (HV): ≤200 (annealed), ≤315 (cold rolled), 370~580 (quenched + tempered);
| Product | Carbon Steel Sheet In Coil | |
| Commodity | Cold rolled Steel Coil | Hot rolled Steel Coil |
| Grade |
Q195,Q215,Q235,08AL,SPCC,SPCD,SPCE,SPCEN,ST12, ST13,ST14,ST15,ST16,DC01,DC03,DC04,DC05,DC06 |
Q195,Q215A,Q215B,Q215AF,Q215BF,Q235A, Q235B,Q235C,Q235D,Q235BF,Q255A,Q255B,Q275A, Q275B, Q275C,Q275D,A36,GR36 ,20#, 45#, 10# ,T9,T12,JIS G3101 SS400,SS330,S235JR,S355JR, A992, A500, ASTM A283-B/A283C, ASTM A572 Gr50-B/A572 Gr42-B, ASTM A515 Gr70, ASTM A516 Gr70, EN10025-2:2004 S235JR-S355K2+N, EN10025-5:2004 S355J2W/S355K2W .etc. |
| Standard | ISO,JIS,ASTM,AS EN | ISO,JIS,ASTM,AS EN |
| Surface treatment | Chromated and oiled, and ant-finger | Chromated and oiled, and ant-finger |
| Hardness | Softy, half hard ,hard quality | Softy, half hard ,hard quality |
| Thickness | 0.12-200mm | 0.12-6mm |
| Width | 600-1500mm | 600-1500mm |
| Coil weight | 3-30MT/Coil or as your request | 3-30MT/Coil or as your request |
| Packaging | Export standard, seaworthy | Export standard, seaworthy |
| Transport Type | Container, bulk and train | Container, bulk and train |
PRODUCT DETAILS
| Category | Grades | Standard |
| Carbon structure steel | Q195, Q215, Q235, Q275 | GB/T700-2006 |
| Low alloy high strength structure steel | Q295, Q345, Q390, Q420, Q460 | GB/T1591-2008 |
| Prime Carbon structure steel | 10#, 20#, 35#, 45#, 60#, 20Mn, 65Mn, B2, B3, JM20, SH45,S45C, C45 | GB/T699-1999 |
| Alloy structure steel | 30Mn2, 40Mn2, 27SiMn, 42Crmo, 20Cr,40Cr,20CrMo, 35CrMo, 20CrMnTi, 30CrMnTi, 20MnVB, 20MnTiB, 45MnV, 20CrNiMo, Q345B, 35MnBM,40MnB,36Mn2V | GB/T3077-1999 |
| Spring Steel | 65Mn, 60Si2Mn, 50CrVA | GB/T1222-84 |
| Bearing Steel | GCr15, GCr15GD,55SiMoV | GB/T18254-2002 |
| Structural steels subject to end-quench hardenability requirements | 20CrMnTi, 30CrMnTi, 20Cr, 40Cr, 30CrMo, 42CrMoA, 27SiMn, 40Mn2H, 20CrNiMo, 40Mn2, q345b,35MnBM, 40MnB,45MnV. | GB/T5216-2004 |
| Oil wells structural steel | 37Mn5, 36Mn2V | Q/LYS248-2007 |
| Marine anchor chain steel | CM490, CM690, M30Mn2 | YB/T66-1987 |
| GB/T18669-2002 |
PRODUCT DISPLAY
EXHIBITION OF COOPERATION
CERTIFICATION
FAQ
Q:Can I get samples before order ?
A:Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.
Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.
Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.
Q:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept third party inspection.
Q:How do we trust your company?
A:We specialise in steel business for years, headquarter locates in Liaocheng, Shandong province, you are welcome to investigate in any ways, by all means, we have CE and ISO9001 certificate, quality can be guaranteed.Video
Liaocheng, Shandong, China
- Manufacturer
- Trade Company
- Gold Supplier
- Platform Certification
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