GB/T 18248-2021
Pfupiso
Standard: GB/T 18248-2021
Boka reGiredhi: 37Mn，30CrMo，35CrMo，42CrMo，30CrMnSiA，34CrMo4, nezvimwewo
Ukobvu: 1 - 100 mm
Dhayamita yekunze (yakatenderera): 10 - 1000 mm
Kureba: Kureba kwakatarwa kana kureba kwakasarudzika
Chimiro chechikamu: Rakatenderera
Nzvimbo Yekutanga: China
Chitupa: ISO9001:2008
Chiwanikwa Kana Kwete: Chiwanikwa
Kushandiswa: Chubhu yegesi silinda
Kurapa Kwepamusoro: Sezvinodiwa nemutengi
Maitiro: Yakaputirwa/Yakatonhora Yakadhonzwa
Kurapa kupisa: Kuisa mvura mumuviri/kudzoreredza
Pombi Yakakosha: Pombi yeMadziro Gobvu
Kushandiswa: Chubhu yegesi
Bvunzo: ET/UT
Kushandiswa
Mapaipi esimbi asina musono anoshandiswa kugadzira magoko emasilinda egasi nema accumulators
Giredhi Guru
Giredhi reSimbi yeAlloy Structural: 37Mn，30CrMo，35CrMo，42CrMo，30CrMnSiA，34CrMo4
Chikamu cheMakemikari
| Giredhi reSimbi | Kuumbwa kwemakemikari | |||||||||
| 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. Inofanira kugutsa V + Nb + Ti + B + Zr ≤ 0.15%. b. Zvichienderana nezvinodiwa nemutengi, mushure mekutaurirana pakati pemutengesi nemutengi, uye nechirevo chakanyorwa muchibvumirano, zvinogona kutaurwa kuti Al inofanira kuva yakakura kupfuura kana kuti yakaenzana ne0.020%. c. Maodha anogona kuitwa e30CrMoE, ayo makemikari akafanana nee30CrMo. d. Maodha anogona kuitwa e42CrMoE, ayo makemikari akafanana nee42CrMo. | ||||||||||
Zvivakwa zveMechanical
| Giredhi | Nzira inokurudzirwa yekurapa kupisa | Hunhu hwemichina hwakareba | |||||||
| Kudzima (Kugadzirisa) | Kudzikisa | simba rekusimba RmPa | Simba regoho rakaderera ReLBMPa | Kureba mushure mekutyokaA% | Kutora simba remagetsi | ||||
| tembiricha℃ | Chinhu chinotonhodza | tembiricha℃ | Chinhu chinotonhodza | Kwete pasi pe | Tembiricha yekuyedza℃ | KV2J Kwete pasi pe | |||
| 37Mn | 820-860 | mvura | 550-650 | Mhepo | 750 | 630 | 16 | -50 | 27 |
| 830-870 | Mhepo | - | - | 700 | 520 | 16 | -20 | 27 | |
| 30CrMo | 860-900 | mvura、Oiri | 490-590 | mvura、Oiri | 930 | 785 | 12 | -50 | 27 |
| 35CrMo | 830-870 | mvura、Oiri | 500-600 | mvura、Oiri | 980 | 835 | 12 | -50 | 27 |
| 42CrMo | 830-870 | Oiri | 510-610 | mvura、Oiri | 1080 | 930 | 12 | -50 | 27 |
| 30CrMnSiA | 860-900 | Oiri | 470-570 | mvura、Oiri | 1080 | 885 | 10 | Tembiricha yemukamuri | 27 |
| a. Tembiricha yekuyedza kudhonza yaive tembiricha yemukamuri. b. Kana ReLhazvigone kuyerwa, Rp0.2zvinogona kunzi ini ndinoyerwa pachinzvimbo cheReLc.Kana mutengi akataura kuti 4130X kana 30CrMoE ndiyo giredhi rekutumira, kukosha kwezvimiro zvemakanika kunogona kuenderana ne30CrMo.d.Kana mutengi akataura giredhi re34CrMo4 rekutumira, hunhu hwemakanika hunogona kureva 35CrMo.Kana mutengi akataura magiredhi 4142 kana 42CrMoE ekutumira, kukosha kwehunhu hwemakanika kunogona kuenderana ne42CrMo. | |||||||||
Kushivirira
| Nzira dzekugadzira mapaipi esimbi | mhando dzehukuru | Kusiyana Kunobvumidzwa muDhayamita Yekunze | Kutsauka kunobvumidzwa kweukobvu hwemadziro | |
| PA yedanho rekutanga | PC yepamusoro-soro | |||
| Yakaputirwa Inopisa | D＜339.7 | ±1%D | +25%Miniti 0 | +25%Miniti 0 |
| D≥339.7 | +30%Miniti 0 | +25%Miniti 0 | ||
| Yakadhonzwa nechando (yakamonerwa) Pipe | zvese | ±0.75%D | +22.5%Miniti 0 | +15%Miniti 0 |
Chinodiwa Chebvunzo
Pamusoro pekuona kuti makemikari aripo uye hunhu hwemakanika zviri nani, bvunzo dzemahydraulic, kuongororwa kwemagetsi, bvunzo dzezvinhu zvisina simbi, uye bvunzo dzisingaparadze (kuyedzwa kwe ultrasonic uye kuyedzwa kwezvimedu zvemagineti) zvichaitwawo.
Kugona Kupa
Kugona Kupa: Matani 2000 Pamwedzi Pagiredhi reGB/T18248-2021 Alloy Steel Pipe
Kurongedza
Mumabhurugwa Uye Mubhokisi Rakasimba Remapuranga
Kutumirwa
Mazuva 7-14 kana aripo, mazuva 30-45 ekugadzira
Kubhadhara
30% dhipoziti, 70% L/C kana B/L kopi kana 100% L/C painoonekwa
Chubhu yebhaira
ASME SA-106/SA-106M-2015
ASTMA210(A210M)-2012
ASME SA-213/SA-213M
