Grade C20 datasheet,Grade C20 chemical,Grade C20 heat treatment

Grade C20
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ISO 683/18-1996 type C20 datasheet, C20 Chemical,Grade C20 properties from Steel making, ESR melted, Blooming,Hot forging,Grade C20 Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3. Cold working, Peeled or rough turned machining. Material technical specification TOCT 20072 - 1994.
TECHNICAL SPECIFICATION - ISO 683/18-96 Grade C20

TECHNICAL SPECIFICATION: ISO 683/18-1996 
OFFICIAL TEST CERTIFICATE: issued by
TUV - SGS -  BV
MATERIAL CATEGORY:  Non-alloy hardened structural 
steel
CHEMICAL COMPOSITION (WEIGHT %)
C (%):     0.17 ~ 0.23
Si (%):     0.10 ~ 0.40
Mn (%):   0.30 ~ 0.60
P (%) ≤:  0.045
S (%) ≤:  0.045
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Annealed hardness | HBS: 156 max.
Tensile strength,σb/≥ MPa: 400
Yield strength, σ0.2/≥ MPa: 270
Elongation, δ ≥(%): 27.0
Impact, ≥J /Akv: - 
MANUFACTURING TECHNIQUE
The alloy is usually produced by IFF, LF, EAF + VD  + LF followed by electroslag refining (ESR) if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied brightly in the annealed condition.
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on. 
PRODUCT FORMS AVAILABLE
Round bar (Diameter): 5.50mm to 800mm
Square bar / Flat bar: 3mm to 500mm
Sheet steel via cold rolled: T0.5 - 3.0mm X W600- 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
ADVANTAGED STOCKS FOR INTERNATIONAL MARKETS
Die/mold steel
German series: 1.2083, 1.4021, 1.4028, 1.2344, 1.2343, 1.2379, 1.2312, 1.2738, 1.2360, 1.2581、
                      1.2316, 1.2085, 1.2510, 1.2367, 17CrNiMo6, 34CrNi3Mo, 36CrNiMo8, 718, 718V, WB36 and so on.
American series: 420, 410, H13, H13ESR, D2, P20+Ni, P20+S, O1, O2, H10, H11, 4145H, 4340, P91, P92 and so on.
Japan-Korea series: SUS420J2, SKD11, SKD61, SKD6, DC53, SKS3, SKS31, SKT4, NAK80, HMD, KP4, KP4M

TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry, pleased to EMAIL our team of qualified production engineers. Email: sales@ccsteels.com

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