2020 kumu kūʻai nui Alloy Seamless Steel Pipe / Alloy Steel / Seamless Steel Tube
e hoʻomau i ka hoʻomaikaʻi ʻana, e hōʻoia i ka huahana a i ʻole ka lawelawe ʻana i ke kūlana kiʻekiʻe e like me ka mākeke a me nā mea kūʻai. Ua hoʻokumu ʻia kā mākou ʻoihana i kahi papahana hōʻoia kiʻekiʻe no 2020 kumu kūʻai kūʻaiPaipu kila lauwili ʻole/ Alloy Steel / Seamless Steel Tube, Hoʻokipa mākou i nā mea a pau me nā mea kūʻai aku a me nā hoaaloha e kāhea iā mākou no nā mea maikaʻi. Manaʻolana e hana hou aku me ʻoe.
e hoʻomau i ka hoʻomaikaʻi ʻana, e hōʻoia i ka huahana a i ʻole ka lawelawe ʻana i ke kūlana kiʻekiʻe e like me ka mākeke a me nā mea kūʻai. Loaʻa i kā mākou ʻoihana kahi papahana hōʻoia kiʻekiʻe i hoʻokumu ʻia noPaipu kila lauwili ʻole, paipu kila ʻole, paipu kila maʻemaʻe, No ke aha e hiki ai iā mākou ke hana i kēia mau mea? No ka mea: A, Ua pololei a hilinaʻi mākou. Loaʻa i kā mākou waiwai ke kūlana kiʻekiʻe, ke kumu kūʻai maikaʻi, lawa ka lako lako a me ka lawelawe kūpono. B, ʻO kā mākou kūlana ʻāina he pōmaikaʻi nui. C, Nā ʻano like ʻole: Welina mai i kāu nīnau, e mahalo nui ʻia.
Nānā nui
Palapala noi
Hoʻohana nui ʻia ia e hana i ke kiʻekiʻe o ka alloy steel boiler pipe, heat exchanged pipe, high pressure steam pipe no ka ʻaila a me ka ʻoihana kemika.
Papa Nui
Papa o ke kiʻekiʻe-koʻikoʻi alloy paipu
1,P2,P5,P9,P11,P22,P91,P92 etc.
Mea Kimia
| Papa | UN | C≤ | Mn | P≤ | S≤ | Si≤ | Cr | Mo |
| Sequiv. | ||||||||
| P1 | K11522 | 0.10~0.20 | 0.30~0.80 | 0.025 | 0.025 | 0.10~0.50 | – | 0.44~0.65 |
| P2 | K11547 | 0.10~0.20 | 0.30~0.61 | 0.025 | 0.025 | 0.10-0.30 | 0.50~0.81 | 0.44~0.65 |
| P5 | K41545 | 0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.5 | 4.00-6.00 | 0.44~0.65 |
| P5b | K51545 | 0.15 | 0.30~0.60 | 0.025 | 0.025 | 1.00-2.00 | 4.00-6.00 | 0.44~0.65 |
| P5c | K41245 | 0.12 | 0.30~0.60 | 0.025 | 0.025 | 0.5 | 4.00-6.00 | 0.44~0.65 |
| P9 | S50400 | 0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50-1.00 | 8.00-10.00 | 0.44~0.65 |
| P11 | K11597 | 0.05~0.15 | 0.30~0.61 | 0.025 | 0.025 | 0.50-1.00 | 1.00-1.50 | 0.44~0.65 |
| P12 | K11562 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.5 | 0.80~1.25 | 0.44~0.65 |
| P15 | K11578 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 1.15~1.65 | – | 0.44~0.65 |
| P21 | K31545 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.5 | 2.65~3.35 | 0.80~1.60 |
| P22 | K21590 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.5 | 1.90~2.60 | 0.87~1.13 |
| P91 | K91560 | 0.08~0.12 | 0.30~0.60 | 0.02 | 0.01 | 0.20~0.50 | 8.00-9.50 | 0.85-1.05 |
| P92 | K92460 | 0.07~0.13 | 0.30~0.60 | 0.02 | 0.01 | 0.5 | 8.50-9.50 | 0.30~0.60 |
He inoa hou i hoʻokumu ʻia e like me ka Practice E 527 a me SAE J1086, Practice for Numbering Metals and Alloys (UNS). Loaʻa i ka papa B 5c ka maʻiʻo titanium ʻaʻole i emi iho ma mua o 4 manawa o ka maʻiʻo kalapona a ʻaʻole i oi aku ma mua o 0.70 %; a i ʻole he maʻiʻo columbium o 8 a 10 manawa o ka maʻiʻo kalapona.
Waiwai Mechanical
| Nā waiwai mīkini | P1,P2 | P12 | P23 | P91 | P92,P11 | P122 |
| Ka ikaika tensile | 380 | 415 | 510 | 585 | 620 | 620 |
| E hāʻawi i ka ikaika | 205 | 220 | 400 | 415 | 440 | 400 |
Hoʻomaʻamaʻa Wela
| Papa | ʻAno Hana Wela | Hoʻomaʻamaʻa maʻamau ʻo F [C] | Subcritical Annealing or Tempering |
| P5, P9, P11, a me P22 | Kaulana Mahana F [C] | ||
| A335 P5 (b,c) | Hoʻopiha piha a i ʻole Isothermal Anneal | ||
| Normalize a me ka Mahana | ***** | 1250 [675] | |
| Hoʻohui Kūʻē (P5c wale nō) | ***** | 1325 – 1375 [715 - 745] | |
| A335 P9 | Hoʻopiha piha a i ʻole Isothermal Anneal | ||
| Normalize a me ka Mahana | ***** | 1250 [675] | |
| A335 P11 | Hoʻopiha piha a i ʻole Isothermal Anneal | ||
| Normalize a me ka Mahana | ***** | 1200 [650] | |
| A335 P22 | Hoʻopiha piha a i ʻole Isothermal Anneal | ||
| Normalize a me ka Mahana | ***** | 1250 [675] | |
| A335 P91 | Normalize a me ka Mahana | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
| Hoʻopiʻi me ka huhū | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Koi hoao
Ma kahi o ka hōʻoia ʻana i ka haku mele a me nā waiwai mechanical, hana ʻia nā hoʻokolohua hydrostatic i kēlā me kēia, Nondestructive Examination, Product Analysis, Metal Structure and Etching Tests, Flattening test etc.
Hiki ke hoolako
Hiki ke hoʻolako: 2000 Tons i kēlā me kēia mahina no ka papa o ASTM A335 Alloy Steel Pipe
Hoʻopili ʻia
I loko o nā pūʻolo a i loko o ka pahu lāʻau ikaika
Hāʻawi
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
Huahana Huahana
Paipu paila
GB/T5310-2017
ASME SA-106/SA-106M-2015
ASTMA210(A210M)-2012
ASME SA-213/SA-213M
