API 5Lchitoliro chachitsulo chapaipi
Gulu lachitsulo: L360 kapena X52 (PSL1)
Zofunikira pa kapangidwe ka mankhwala:
C: ≤0.28 (yopanda msoko) ≤0.26 (yolumikizidwa)
Mn: ≤1.40
P: ≤0.030
S: ≤0.030
Cu: 0.50 kapena kuchepera
Ni: ≤0.50
Cr: ≤0.50
Mwezi: ≤0.15
*V+Nb+Ti: ≤0.15
* Kuchuluka kwa manganese kumatha kuwonjezeka ndi 0.05% pa kuchepetsedwa kulikonse kwa 0.01% kwa mpweya, mpaka kufika pa 1.65%
Zofunikira pa katundu wa makina:
Mphamvu yotulutsa: ≥360Mpa
Mphamvu yokoka: ≥460Mpa
Mphamvu yokoka ya chitoliro chachitsulo cholumikizidwa: ≥460Mpa
Kutalika: ≥1940* AXC0.2/4600.9, pomwe AXC ndiye gawo lozungulira la chitsanzo chokoka
Kulekerera kwa chitoliro chachitsulo m'mimba mwake wakunja:
| M'mimba mwake wakunja D mm | Mapeto akunja m'mimba mwake kupatuka mm | |
| Chitoliro chachitsulo chosasokonekera | Chitoliro chachitsulo cholumikizidwa | |
| < 60.3 | -0.8, +0.4 | |
| 60.3 D kapena kuchepera 168.3 kapena kuchepera | -0.4, +1.6 | |
| 168.3 < D≤610 | ±0.005D, koma pazipita ±1.6 | |
| 610 < D≤1422 | + / - 2.0 | + / - 1.6 |
| > 1422 | Mwa mgwirizano | |
Khoma makulidwe kulolerana of chitsulo chitoliro:
| Makulidwe a khoma t mm | Kulekerera mm |
| Chitoliro chachitsulo chosasokonekera | |
| 4.0 kapena kuchepera | +0.6, -0.5 |
| 4 < t < 25 | +0.150t, -0.125t |
| 25 kapena kupitirira apo | +3.7 kapena +0.1t, iliyonse yomwe ndi yayikulu -3.0 kapena -0.1t, tengani yayikulu |
| Chubu cholumikizidwa | |
| 5.0 kapena kuchepera | + / - 0.5 | |
| 5.0 | Kuphatikiza kapena kuchotsera 0.1 t | |
| 15 | kapena zambiri | + / - 1.5 |
Chitsulo giredi: L360N or X52N(PSL2)
Mankhwala kapangidwe kake zofunikira:
C: ≤0.24
Si: ≤0.45
Mn: ≤1.40
P: ≤0.025
S: ≤0.015
V: ≤0.10
Chidziwitso:≤0.05
Mtengo: ≤0.04
Cu: ≤0.50
Ni: ≤0.30
Cr: ≤0.30
Mwezi: ≤0.15
V+Nb+Ti: ≤0.15
* Kuchuluka kwa manganese kumatha kuwonjezeka ndi 0.05% pa kuchepetsedwa kulikonse kwa 0.01% kwa mpweya, mpaka kufika pa 1.65%.
* Palibe chololedwa kuwonjezera boron mwadala, chotsalira B≤0.001%
Mpweya chofanana:
CEP cm: ≤0.25
CEIIW: ≤0.43
* Gwiritsani ntchito CE pamene mpweya uli woposa 0.12%, ndipo gwiritsani ntchito CE IIW pamene mpweya uli wochepera kapena wofanana ndi 0.12%.
CEP cm = C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B
Ngati zotsatira za kusanthula kwa smelting ya B zili zosakwana 0.0005%, ndiye kuti palibe chifukwa chophatikizira kusanthula kwa chinthu B mu kusanthula kwa malonda, ndipo kuchuluka kwa B kungawonedwe ngati zero mu kuwerengera kwa CEP cm yofanana ndi kaboni.
CEIIW =C+Mn/6 (C+Mo+V)/5+(Ni+Cu)/ 15
Makina katundu zofunikira:
Mphamvu yotulutsa: 360-530Mpa
Mphamvu yokoka: 460-760Mpa
Chiŵerengero cha zokolola: ≤0.93 (chogwiritsidwa ntchito kokha pa chitoliro chachitsulo cha D > 323.9mm)
Mphamvu yokoka ya chitoliro chachitsulo cholumikizidwa: ≥460Mpa
Kutalika kochepa: = 1940* AXC0.2/4600.9, pomwe AXC ndiye gawo lopingasa la chitsanzo chokoka.
Kuyesa kwa CVN kwa chubu
Kutentha kwa mayeso 0 。C
| Tchulani m'mimba mwake wakunja wa D mm | CVN yonseMphamvu zoyamwaKVJ |
| 508 kapena kuchepera | 27 |
| > 508 mpaka 762 | 27 |
| > 762 mpaka 914 | 40 |
| > 914 mpaka 1219 | 40 |
| > 1219 mpaka 1422 | 40 |
| > 1422 mpaka 2134 | 40 |
Zakunja m'lifupi kulolerana of chitsulo chitoliro:
| M'mimba mwake wakunja D mm | Kutha kwa m'mimba mwake kunja | |
| Chitoliro chachitsulo chosasokonekera | Chitoliro chachitsulo cholumikizidwa | |
| < 60.3 | -0.4, +0.8 | |
| 60.3 D kapena kuchepera 168.3 kapena kuchepera | -0.4, +1.6 | |
| 168.3 < D=610 | ±0.005D, koma pazipita ±1.6 | |
| 610 < D=1422 | + / - 2.0 | + / - 1.6 |
| > 1422 | Mwa mgwirizano | |
Khoma makulidwe kulolerana of chitsulo chitoliro:
| Makulidwe a khoma t mm | Kulekerera |
| Chitoliro chachitsulo chosasokonekera | |
| 4.0 kapena kuchepera | +0.6, -0.5 |
| 4 < t < 25 | +0.150t, -0.125t |
| 25 kapena kupitirira apo | +3.7 kapena +0.1t, iliyonse yomwe ndi yayikulu -3.0 kapena -0.1t, tengani zazikulu |
| Chitoliro cholumikizidwa | |
| 5.0 kapena kuchepera | + / - 0.5 |
| 5.0 < t < 15 | Kuphatikiza kapena kuchotsera 0.1 t |
| Zaka 15 kapena kuposerapo | + / - 1.5 |
Nthawi yotumizira: Sep-26-2023
