GB/T 18248-2021
ʻIke laulā
Kūlana: GB/T 18248-2021
Pūʻulu Papa: 37Mn, 30CrMo, 35CrMo, 42CrMo, 30CrMnSiA, 34CrMo4, a pēlā aku
Mānoanoa: 1 - 100 mm
Anawaena Waho (Poepoe): 10 - 1000 mm
Lōʻihi: Loa paʻa a lōʻihi paha
ʻĀpana ʻAno: Poepoe
Kahi i hoʻomaka ai: Kina
Palapala hōʻoia: ISO9001:2008
Alloy A I ʻole: Alloy
Noi: Paipu pahu kinoea
Ka Lapaʻau ʻIli: E like me ke koi a ka mea kūʻai aku
ʻAno Hana: ʻŌwili Wela/Hōʻailona Anuanu
Ka mālama wela: Hoʻoheheʻe/hoʻomaʻamaʻa
Paipu Kūikawā: Paipu Paia Mānoanoa
Hoʻohana: Paipu pahu kinoea
Hoʻāʻo: ET/UT
Noi
Nā paipu kila humuhumu ʻole i hoʻohana ʻia no ka hana ʻana i nā pūpū o nā cylinders kinoea a me nā accumulators
Papa Nui
Papa o ke kila kila: 37Mn, 30CrMo, 35CrMo, 42CrMo, 30CrMnSiA, 34CrMo4
ʻĀpana Kemika
| Papa kila | ʻAno kemika | |||||||||
| 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. Pono ia e hoʻokō iā V + Nb + Ti + B + Zr ≤ 0.15%. b. Wahi a nā koi o ka mea kūʻai, ma hope o ke kūkākūkā ʻana ma waena o ka mea hoʻolako a me ka mea kūʻai, a me ka ʻōlelo i ʻōlelo ʻia ma ka ʻaelike, hiki ke kuhikuhi ʻia he ʻoi aku ka nui o Al ma mua o 0.020% a i ʻole like me ia. c. Hiki ke kau ʻia nā kauoha no 30CrMoE, nona ka hoʻohui kemika like me ko 30CrMo. d. Hiki ke kau ʻia nā kauoha no 42CrMoE, nona ka hoʻohui kemika like me ko 42CrMo. | ||||||||||
Waiwai Mīkini
| Papa | ʻAno mālama wela i ʻōlelo ʻia | Nā waiwai mīkini longitudinal | |||||||
| Ke hoʻopau nei (Normalizing) | Hoʻomehana ʻana | ikaika tensile RmPa | Ka ikaika haʻahaʻa ReLBMPa | Elongation ma hope o ka haki ʻana A% | Ka omo ʻana o ka ikehu hopena | ||||
| mahana℃ | Mea hoʻomaʻalili | mahana ℃ | Mea hoʻomaʻalili | ʻAʻole emi ma lalo o | Mahana hoʻāʻo ℃ | KV2J ʻAʻole emi ma lalo o | |||
| 37Mn | 820-860 | wai | 550-650 | Ea | 750 | 630 | 16 | -50 | 27 |
| 830-870 | Ea | - | - | 700 | 520 | 16 | -20 | 27 | |
| 30CrMo | 860-900 | wai、ʻAila | 490-590 | wai、ʻAila | 930 | 785 | 12 | -50 | 27 |
| 35CrMo | 830-870 | wai、ʻAila | 500-600 | wai、ʻAila | 980 | 835 | 12 | -50 | 27 |
| 42CrMo | 830-870 | ʻAila | 510-610 | wai、ʻAila | 1080 | 930 | 12 | -50 | 27 |
| 30CrMnSiA | 860-900 | ʻAila | 470-570 | wai、ʻAila | 1080 | 885 | 10 | Mahana o ka lumi | 27 |
| a. ʻO ka mahana o ka hoʻāʻo tensile he mahana o ka lumi. b. Inā ʻo ReLʻaʻole hiki ke ana ʻia, Rp0.2hiki ke ana ʻia ʻo me ma kahi o ReLc. Ke kuhikuhi ka mea kūʻai aku iā 4130X a i ʻole 30CrMoE ma ke ʻano he māka no ka lawe ʻana, hiki ke hoʻokumu ʻia ka waiwai kuhikuhi o nā waiwai mechanical ma 30CrMo.d. Ke kuhikuhi ka mea kūʻai aku i ka papa 34CrMo4 no ka lawe ʻana, hiki i nā waiwai mechanical ke kuhikuhi i 35CrMo.e. Ke kuhikuhi ka mea kūʻai aku i nā māka 4142 a i ʻole 42CrMoE no ka lawe ʻana, hiki ke hoʻokumu ʻia ka waiwai kuhikuhi o nā waiwai mechanical ma 42CrMo. | |||||||||
Hoʻomanawanui
| Nā ʻano hana hana paipu kila | ka laulā o nā nui | Nā ʻokoʻa i ʻae ʻia ma ke anawaena o waho | Ka ʻokoʻa ʻae ʻia o ka mānoanoa o ka paia | |
| Pae kumu PA | PC pae kiʻekiʻe | |||
| ʻŌwili Wela | D＜339.7 | ±1%D | +25% Min 0 | +25% Min 0 |
| D≥339.7 | +30% Min 0 | +25% Min 0 | ||
| Ua huki anu ʻia (ʻōwili ʻia) ʻO ka paipa | āpau | ±0.75%D | +22.5% Min 0 | +15% Min 0 |
Koi Hoʻāʻo
Ma waho aʻe o ka hōʻoia ʻana i ka haku mele kemika a me nā waiwai mechanical, e mālama ʻia nā hoʻokolohua hydraulic, nā nānā electromagnetic, nā hoʻokolohua inclusions non-metallic, a me nā hoʻokolohua non-destructive (hoʻāʻo ultrasonic a me ka hoʻāʻo ʻana i nā ʻāpana magnetic).
Ka hiki ke hoʻolako
Ka hiki ke hoʻolako: 2000 Tons i kēlā me kēia mahina no kēlā me kēia papa o GB/T18248-2021 Alloy Steel Pipe
Ka hoʻopili ʻana
I loko o nā pūʻolo a me ka pahu lāʻau ikaika
Hoʻouna ʻana
7-14 mau lā inā ma ka waihona, 30-45 mau lā e hana ai
Uku
30% depsoit, 70% L/C a i ʻole B/L kope a i ʻole 100% L/C i ka ʻike ʻana
Paipu paila
ASME SA-106/SA-106M-2015
ASTMA210(A210M)-2012
ASME SA-213/SA-213M
