20Cr4 /1.7027 Plât dur
Cyfansoddiad Cemegol:
| Safon | Gradd | |||||||
| Cyfansoddiad cemegol% | ||||||||
| C: | Si: | Mn: | P: | S: | Cr: | Ni: | Cu: | |
| ISO | 1.7027 | |||||||
| 0.17-0.23 | <0.4 | 0.6-0.9 | <0.025 | <0.030 | 0.9-1.2 | - | <0.3 | |
| ISO | 20Cr4 | |||||||
| 0.17-0.23 | 0.15-0.40 | 0.6-0.9 | <0.035 | <0.035 | 0.9-1.2 | - | - | |
| AISI | 5120 | |||||||
| 0.13-0.18 | 0.15-0.35 | 0.7-0.9 | <0.035 | <0.040 | 0.7-0.9 | - | - | |
| PN | 20H | |||||||
| 0.17-0.23 | 0.17-0.37 | 0.5-0.8 | <0.035 | <0.035 | 0.7-1.0 | <0.3 | - | |
| GOST | 20Ch - 20H | |||||||
| 0.17-0.23 | 0.17-0.37 | 0.5-0.8 | <0.035 | <0.035 | 0.7-1.0 | <0.3 | <0.3 | |
Priodweddau Mecanyddol:
| Priodweddau | Gradd | ||||
| PN | ISO | GOST | ISO | ||
| 20H | 20Cr4 | 20Ch | 1.7027 | ||
| Cryfder cynnyrch: | Rm | > 640 MPa | > 850 MPa | > 637 MPa | - |
| Cryfder tynnol: | Rm | > 780 MPa | 820-1170 MPa | > 784 MPa | - |
| Elongation | A5 | 11% | 9% | 11% | - |
| Caledwch | HB | <179 HB | <197 HB | <179 HB | <197 HB |
Dimensiynau:
Bar crwn (Diamedr): 5.5 mm i 700 mm
Gwialen wifren (Diamedr): 0.10 ~ 16mm
Bar sgwâr / Bar fflat: 5mm i 550mm
Stribed dur trwy rolio oer: T0.1 - 3mm X W5 - 650mm XL (neu ar ffurf coil)
Modrwy ffug: OD200 ~ 1500mm X ID150 ~ 1250mm X H20 ~ 1250mm
Plât trwm / canol trwy rolio poeth: T50 - 200mm X W80- 1200mm X L1000-3000mm
Darn ffugio: siafftiau grisiog gydag ystlysau / disgiau / tiwbiau / gwlithod / toesenni / ciwbiau / siapiau gwahanol eraill yn seiliedig ar OEM.
Hyd: Hyd sefydlog neu hyd ar hap neu'n seiliedig ar ofyniad arbennig y cwsmer.
Mwy o raddau y gallwn eu cyflenwi:
DIN-EN C10
DIN-EN 20CrS4
DIN-EN C10Pb (C10GPb)
DIN-EN 28Cr4
DIN-EN C15
DIN-EN 28CrS4
DIN-EN C15Pb (C15GPb)
DIN-EN 16MnCr5
DIN-EN C10E
DIN-EN 16MnCrS5
DIN-EN C15E
DIN-EN 20MnCr5
DIN-EN C16E
DIN-EN 20MnCrS5
DIN-EN 10NiCr5-4
DIN-EN 16MnCrB5
DIN-EN 14CrNi10
DIN-EN 18CrMo4
DIN-EN 14CrNi14 / 15CrNi3
DIN-EN 18CrMoS4
DIN-EN 14CrNi18
DIN-EN 15CrMo5
DIN-EN 16CrNi4
DIN-EN 20CrMo5
DIN-EN 16CrNiS4
DIN-EN 23CrMoB3-3
DIN-EN 18CrNi5-4
DIN-EN 20CrMoS2 (20CrMo2)
DIN-EN 17CrNi6-6
DIN-EN 20CrMo3
DIN-EN 15CrNi6
DIN-EN 20CrMoS3
DIN-EN 18CrNi8
DIN-EN 20CrMo4
DIN-EN 20CrNiMo2-2
DIN-EN 20CrMoS4
DIN-EN 21CrNiMo2
DIN-EN 25CrMo4
DIN-EN 17CrNiMo6-4
DIN-EN 20CrMoS4
DIN-EN 17CrNiMoS6-4
DIN-EN 22CrMoS3-5
DIN-EN 20CrNiMo6-4
DIN 34CrAl16
DIN-EN 18CrNiMo7-6
DIN 34CrAlS5
DIN-EN 17CrNiMo6
DIN 34CrAlMo5
DIN-EN 14CrNiMo13-4
DIN 41CrAlMo7
DIN-EN 13Cr2
DIN 31CrMo12
DIN-EN 15Cr3
DIN 31CrMoV9
DIN-EN 17Cr3
DIN 15CrMoV5-9
DIN-EN 17CrS3
DIN 39CrMoV13-9
DIN-EN 20Cr4
DIN 34CrAlNi7
