I-GB/T 18248-2021
Ukubuka konke
Okujwayelekile: GB/T 18248-2021
Iqembu Lebanga: 37Mn，30CrMo，35CrMo，42CrMo，30CrMnSiA，34CrMo4, njll.
Ubukhulu: 1 - 100 mm
Ububanzi Bangaphandle (Isiyingi): 10 - 1000 mm
Ubude: Ubude obungaguquki noma ubude obungahleliwe
Isimo Sesigaba: Isiyingi
Indawo Yomsuka: eShayina
Isitifiketi: ISO9001:2008
Ingxubevange Noma Cha: Ingxubevange
Isicelo: Ipayipi lesilinda segesi
Ukwelashwa Okungaphezulu: Njengemfuneko yamakhasimende
Indlela Yokusebenza: Okushisayo Okugoqiwe/Okubandayo Okudonswe
Ukwelashwa ngokushisa: Ukuvuselela/ukulungisa
Ipayipi Elikhethekile: Ipayipi Eliqinile Lodonga
Ukusetshenziswa: Ipayipi lesilinda segesi
Ukuhlolwa: ET/UT
Isicelo
Amapayipi ensimbi angenamthungo asetshenziselwa ukukhiqiza amagobolondo amasilinda egesi nama-accumulators
Ibanga Eliyinhloko
Ibanga Lensimbi Esakhiwe Nge-Alloy: 37Mn，30CrMo，35CrMo，42CrMo，30CrMnSiA，34CrMo4
Ingxenye Yamakhemikhali
| Ibanga Lensimbi | Ukwakheka kwamakhemikhali | |||||||||
| C | Si | Mn | P | S | I-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. Kufanele ihlangabezane ne-V + Nb + Ti + B + Zr ≤ 0.15%. b. Ngokwezidingo zomthengi, ngemva kokuxoxisana phakathi komhlinzeki nomthengi, kanye nombandela obhalwe enkontilekeni, kungachazwa ukuthi i-Al kufanele ibe ngaphezu noma ilingane no-0.020%. c. Ama-oda angafakwa e-30CrMoE, okwakheka kwawo kwamakhemikhali kufana nokwe-30CrMo. d. Ama-oda angafakwa e-42CrMoE, okwakheka kwawo kwamakhemikhali kufana nokwe-42CrMo. | ||||||||||
Impahla Yomshini
| Ibanga | Indlela yokwelapha ukushisa enconywayo | Izakhiwo zemishini ze-longitudinal | |||||||
| Ukucima (Ukwenza Kube Ngokwejwayelekile) | Ukulinganisela | amandla okudonsa RmPa | Amandla okukhiqiza aphansi ReLBI-MPa | Ukwandiswa ngemva kokuphuka kwe-A% | Ukumuncwa kwamandla omthelela | ||||
| izinga lokushisa℃ | Isibandisi | izinga lokushisa℃ | Isibandisi | Akungaphansi kuka | Izinga lokushisa lokuhlola℃ | KV2J Akungaphansi kuka | |||
| 37Mn | 820-860 | amanzi | 550-650 | Umoya | 750 | 630 | 16 | -50 | 27 |
| 830-870 | Umoya | - | - | 700 | 520 | 16 | -20 | 27 | |
| 30CrMo | 860-900 | amanzi、Amafutha | 490-590 | amanzi、Amafutha | 930 | 785 | 12 | -50 | 27 |
| 35CrMo | 830-870 | amanzi、Amafutha | 500-600 | amanzi、Amafutha | 980 | 835 | 12 | -50 | 27 |
| 42CrMo | 830-870 | Amafutha | 510-610 | amanzi、Amafutha | 1080 | 930 | 12 | -50 | 27 |
| 30CrMnSiA | 860-900 | Amafutha | 470-570 | amanzi、Amafutha | 1080 | 885 | 10 | Izinga lokushisa legumbi | 27 |
| a.Izinga lokushisa lokuhlola ukuthamba laliyizinga lokushisa legumbi.b.Uma u-ReLayikwazi ukulinganiswa, Rp0.2kungalinganiswa mina esikhundleni sika-ReLc.Lapho umthengi ecacisa i-4130X noma i-30CrMoE njengebanga lokulethwa, inani elibhekiselwe lezakhiwo zemishini lingasuselwa ku-30CrMo.d.Lapho umthengi ecacisa ibanga elingu-34CrMo4 lokulethwa, izakhiwo zemishini zingabhekisela ku-35CrMo.e.Uma umthengi ecacisa amamaki angu-4142 noma angu-42CrMoE okulethwa, inani elibhekisela lezakhiwo zemishini lingasuselwa ku-42CrMo. | |||||||||
Ukubekezelelana
| Izindlela zokukhiqiza amapayipi ensimbi | ububanzi bosayizi | Izinguquko Ezivumelekile Ngobubanzi Bangaphandle | Ukuphambuka okuvunyelwe kobukhulu bodonga | |
| I-PA yezinga eliyisisekelo | i-PC yezinga elithuthukile | |||
| Okugoqiwe Okushisayo | D＜339.7 | ±1%D | +25% Imizuzu 0 | +25% Imizuzu 0 |
| D≥339.7 | +30% Imizuzu 0 | +25% Imizuzu 0 | ||
| Kudonswe ngokubandayo (kugoqwe) Ipayipi le-PPipe | konke | ±0.75%D | +22.5% Imizuzu 0 | +15%Imizuzu 0 |
Isidingo Sokuhlolwa
Ngaphezu kokuqinisekisa ukwakheka kwamakhemikhali kanye nezakhiwo zemishini, kuzokwenziwa ukuhlolwa kwe-hydraulic, ukuhlolwa kwe-electromagnetic, ukuhlolwa kokufakwa kwezinto okungeyona insimbi, kanye nokuhlolwa okungabhubhisi (ukuhlolwa kwe-ultrasonic kanye nokuhlolwa kwezinhlayiya ze-magnetic) nakho kuzokwenziwa.
Amandla Okunikezela
Amandla Okuphakelwa: Amathani angu-2000 Ngenyanga Ngebanga Lepayipi Lensimbi Ye-GB/T18248-2021 Alloy
Ukupakisha
Kumaqoqo Nasebhokisini Lokhuni Eliqinile
Ukulethwa
Izinsuku eziyi-7-14 uma zikhona esitokweni, izinsuku ezingama-30-45 zokukhiqiza
Inkokhelo
Idiphozithi engu-30%, ikhophi engu-70% L/C noma i-B/L noma i-100% L/C uma ibonwa
Ishubhu Lebhoyila
I-ASME SA-106/SA-106M-2015
I-ASTMA210(A210M)-2012
I-ASME SA-213/SA-213M
