GB/T 18248-2021
Kakaretso
Tekanyetso: GB/T 18248-2021
Sehlopha sa Kereiti: 37Mn，30CrMo，35CrMo，42CrMo，30CrMnSiA，34CrMo4, jj.
Botenya: 1 - 100 mm
Bophara ba Kantle (Kgokolo): 10 - 1000 mm
Bolelele: Bolelele bo tsitsitseng kapa bolelele bo sa reroang
Sebopeho sa Karolo: Se chitja
Sebaka sa Tšimoloho: Chaena
Setifikeiti: ISO9001:2008
Motsoako Kapa Che: Motsoako
Kopo: Phaephe ea silindara ea khase
Phekolo ea Bokaholimo: Joalokaha ho hlokahala bakeng sa moreki
Mokhoa: E Chesitsoeng/E Batang e Huloa
Kalafo ea mocheso: Ho eketsa/ho normalizing
Pipe e Ikhethang: Pipe e Tetehileng ea Lebota
Tšebeliso: Phaephe ea silindara ea khase
Teko: ET/UT
Kopo
Liphaephe tsa tšepe tse se nang mohele tse sebelisetsoang ho etsa likhetla tsa lisilindara tsa khase le li-accumulator
Sehlopha se Seholo
Sehlopha sa Tšepe ea Sebopeho sa Alloy: 37Mn，30CrMo，35CrMo，42CrMo，30CrMnSiA，34CrMo4
Karolo ea Lik'hemik'hale
| Kereiti ea Tšepe | Sebopeho sa lik'hemik'hale | |||||||||
| C | Si | Mn | P | S | P+S | Cr | Mo | Ni | Cu | |
| 37Mna | 0.34～0.38 | 0.10～0.35 | 1.35～1.75 | ≤0.020 | ≤0.010 | ≤0.025 | ≤0.30 | - | ≤0.30 | ≤0.20 |
| 30CrMoa,c | 0.26～0.33 | 0.17～0.37 | 0.40～0.70 | ≤0.020 | ≤0.010 | ≤0.025 | 0.80～1.10 | 0.15～0.25 | ≤0.30 | ≤0.20 |
| 35CrMoa | 0.32～0.40 | 0.17～0.37 | 0.40～0.70 | ≤0.020 | ≤0.010 | ≤0.025 | 0.80～1.10 | 0.15～0.25 | ≤0.30 | ≤0.20 |
| 42CrMoa,d | 0.38～0.45 | 0.17～0.37 | 0.50～0.80 | ≤0.020 | ≤0.010 | ≤0.025 | 0.90～1.20 | 0.15～0.25 | ≤0.30 | ≤0.20 |
| 30CrMnSiA | 0.28～0.34 | 0.90～1.20 | 0.80～1.10 | ≤0.020 | ≤0.020 | ≤0.030 | 0.80～1.10 | ≤0.10 | ≤0.30 | ≤0.20 |
| 34CrMo4 | 0.30～0.37 | 0.15～0.35 | 0.60～0.90 | ≤0.020 | ≤0.010 | ≤0.025 | 0.90～1.20 | 0.15～0.30 | ≤0.30 | ≤0.20 |
| a. E lokela ho kgotsofatsa V + Nb + Ti + B + Zr ≤ 0.15%. b. Ho ya ka ditlhoko tsa moreki, kamora ditherisano pakeng tsa mofani le moreki, le ka taelo e boletsweng konterakeng, ho ka bolelwa hore Al e lokela ho ba ho feta kapa ho lekana le 0.020%. c. Liodara li ka etsoa bakeng sa 30CrMoE, eo sebopeho sa eona sa lik'hemik'hale se tšoanang le sa 30CrMo. d. Liodara li ka etsoa bakeng sa 42CrMoE, eo sebopeho sa eona sa lik'hemik'hale se tšoanang le sa 42CrMo. | ||||||||||
Thepa ea Mechini
| Sehlopha | Mokhoa o khothaletsoang oa kalafo ea mocheso | Thepa ea mechine ea longitudinal | |||||||
| Ho tima (Ho etsa hore ntho e be boemong bo tloaelehileng) | Ho leka-lekanya | matla a tšepe RmPa | Matla a tlaase a chai ReLBMPa | Ho lelefatsa kamora ho robeha ha pereA% | Ho monya matla ka tšusumetso | ||||
| mocheso℃ | Sehatsetsi | mocheso℃ | Sehatsetsi | E seng ka tlase ho | Teko ea mocheso℃ | KV2J E seng ka tlase ho | |||
| 37Mn | 820-860 | metsi | 550-650 | Moea | 750 | 630 | 16 | -50 | 27 |
| 830-870 | Moea | - | - | 700 | 520 | 16 | -20 | 27 | |
| 30CrMo | 860-900 | metsi、Oli | 490-590 | metsi、Oli | 930 | 785 | 12 | -50 | 27 |
| 35CrMo | 830-870 | metsi、Oli | 500-600 | metsi、Oli | 980 | 835 | 12 | -50 | 27 |
| 42CrMo | 830-870 | Oli | 510-610 | metsi、Oli | 1080 | 930 | 12 | -50 | 27 |
| 30CrMnSiA | 860-900 | Oli | 470-570 | metsi、Oli | 1080 | 885 | 10 | Mocheso oa kamore | 27 |
| a.Mocheso oa teko ea ho tsitlella e ne e le mocheso oa kamore.b.Haeba ReLe ke ke ea lekanngoa, Rp0.2na ho ka lekanngoa 'na ho e-na le ReLc.Ha moreki a totobatsa 4130X kapa 30CrMoE e le kereiti ya ho pepa, boleng ba referense ba thepa ya mechini bo ka itshetleha ho 30CrMo.d.Ha moreki a totobatsa sehlopha sa 34CrMo4 bakeng sa ho pepa, thepa ea mechini e ka bolela 35CrMo.e. Ha moreki a totobatsa dikereiti tse 4142 kapa 42CrMoE bakeng sa ho romelwa, boleng ba referense ba thepa ya mechini bo ka itshetleha ho 42CrMo. | |||||||||
Mamello
| Mekhoa ea tlhahiso ea liphaephe tsa tšepe | mefuta e fapaneng ea boholo | Liphetoho tse Lumellehang ka Bophara ba Kantle | Ho kheloha ho lumelletsoeng ha botenya ba lebota | |
| PA ea boemo ba motheo | PC ea boemo bo holimo | |||
| E Chesang e Phutholohileng | D＜339.7 | ±1%D | +25% Metsotso e menyenyane 0 | +25% Metsotso e menyenyane 0 |
| D≥339.7 | +30% Metsotso e menyenyane 0 | +25% Metsotso e menyenyane 0 | ||
| E huloa ka serame (e phutholohile) Pipe | tsohle | ±0.75%D | +22.5% Metsotso e menyenyane 0 | +15% Metsotso e menyenyane 0 |
Tlhokahalo ea Teko
Ntle le ho netefatsa sebopeho sa lik'hemik'hale le thepa ea mechini, liteko tsa hydraulic, tlhahlobo ea motlakase, liteko tsa ho kenyelletsa lintho tse seng tsa tšepe, le liteko tse sa senyeheng (tlhahlobo ea ultrasonic le tlhahlobo ea likaroloana tsa makenete) le tsona li tla etsoa.
Bokhoni ba ho Phepelo
Bokhoni ba Phepelo: Lithane tse 2000 ka Khoeli ka Kereiti ea GB/T18248-2021 Alloy Steel Steel Pipe
Sephutheloana
Ka Liphutheloana le ka Lebokoseng le Matla la Lehong
Thomello
Matsatsi a 7-14 haeba a le teng, matsatsi a 30-45 ho hlahisa
Tefo
30% depositi, 70% L/C kapa kopi ea B/L kapa 100% L/C ha e bonoa
Phaephe ea Boiler
ASME SA-106/SA-106M-2015
ASTMA210(A210M)-2012
ASME SA-213/SA-213M
