Non Quenched And Tempered Chrome Plated Steel Rod With Stable Mechanical Properties

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Non Quenched And Tempered Chrome Plated Steel Rod With Stable Mechanical Properties ProductDescription 1. The mechanical properties of micro alloy steel rod is the same as or over than quenched and tempered 42CrMo, 40Cr and CK45, and is very uniform of the whole cross section. 2. Hardness of micro alloy steel rod is more uniform than quenched and tempered 42CrMo, 40Cr and CK45. 3. The turning performance of non-quenched and tempered steel rod is commensurate or superior to 42CrMo, 40Cr and CK45 4. The processing period is shortened, and the productivity is enhanced and the occupied capital is reduced. 5. Production no quenched and tempered process can greatly save the energy consumption. 6. Production no quenched and tempered process meets the requirements of environmental protection DetailedDescription 1. MATERIAL: HY4700, HY4520 2. CHEMICALCOMPOSITION(%) - - - - Material | C% | Mn% | Si% | S% | P% | V% | Ni | Cr% | Mo | Cu | HY4700 | 0.38-0.45 | 1.20~1.60 | 0.30~0.50 | 0.035 | 0.020 | 0.050.15 | 0.25 | 0.100.20 | 0.15 | 0.25 | HY4520 | 0.40~0.48 | 0.80~1.40 | 0.15~0.35 | 0.035 | 0.035 | 0.15 | 0.25 | 0.25 | 0.15 | 0.25 | - - - - 3.MECHANICALPROPERTIES - - - - Material | MECHANICALPROPERTIES | Surfacehardness(HBW) | Rm(MPa) | Rel(MPa) | A% | Z% | KU2(J) | | HY4700 | 35 - 100 | 900 - 1100 | 650 | 16 | 35 | 39 | 270-340 | 100 - 140 | 850 - 950 | 600 | 16 | 35 | 39 | 270-340 | HY4520 | 40 - 100 | 750 - 900 | 520 | 19 | 40 | 39 | 230-290 | 100140 | 750 - 900 | 520 | 17 | 35 | 39 | 230-290 | | | | | | | | | - - - - 4.SUPPLYCONDITION Groundandchromeplated 5.CHROMETHICKNESS 20to30micron 6.TOLERANCESONDIA ISOf7onthediameter 7 .SURFACEHARDNESS 850-1150HV(vickers100g) 8.OVALITY HalfofthetoleranceISOf7 9.SURFACEROUGHNESS Ra0.2micronandRt2micron 10.STRAIGHTNESS 0.2MM/M 11.CORROSIONRESISTANCE TestinnaturalsaltsprayaccordingtoASTMB117-120hours ResultsevaluationaccordingtoISO4540RATING7-10 12.WELDABILITY Good 13.COHESION Nocraks,breakingordetachingafterthermicshock(warmingupat300celsiusdegrees andcoolinginwater) 14.POROSITY TestaccordingtoISO1456/1458andresultyaluationaccordingtoISO4540rating8-10 15.PACKING Antirustoiltobeappliedonmaterialandeachrodtobepackedinpapersleeve 16.CERTIFICATE Allcertificaterelatedwithmaterialheattreatmentandplatingisrequired

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Jiangsu New Heyi Machinery Co., Ltd

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