ʻO DIN 2391seamless steel pipe he paipu kila kiʻekiʻe i hana ʻia e ka ʻōwili anu a i ʻole ke kaha kiʻi anu;Inoa piha: ʻO ka paipu kila maʻemaʻe ʻole i ʻōwili ʻia a i ʻole huki anu anu.Ma muli o ka maikaʻi o ka ʻaʻohe papa o ka oxide ma nā paia o loko a me waho o nā paipu kila maʻemaʻe, ʻaʻohe leakage ma lalo o ke kaomi kiʻekiʻe, kiʻekiʻe kiʻekiʻe, kiʻekiʻe maʻemaʻe, ʻaʻohe deformation i ka wā anuanu, flaring, flattening, a ʻaʻohe māwae, hoʻohana nui ʻia lākou. e hana i nā huahana no nā mea pneumatic a hydraulic paha.
DIN 2391 Papa paipu kila a me ka haku mele
| Papa kila | Huina kemika （%） | ||||
| inoa kila | C max | ʻO ka max | Mn | P max | S max |
| St 35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St 45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| St 52 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
DIN 2391 Paipu kila Nā waiwai mīkini
| kila Papa | BK | BKW | BKS | GBK | NBK | |||||||
| Rm N/mm min | A% min | Rm N/mm min | A% min | Rm N/mm min | ReH N/mm min | A% min | Rm N/mm min | A% min | Rm N/mm min | ReH N/mm min | A% min | |
| St35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 340-470 | 235 | 25 |
| St45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440-570 | 255 | 21 |
| St52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 490-630 | 355 | 22 |
ʻO Din2391 kūlana hāʻawi
| Koho | hōʻailona | wehewehe |
| Ua pau ke anu (paʻakikī) | BK(+C) | ʻAʻole hoʻomaʻamaʻa ʻia nā paipu ma hope o ka hoʻokumu ʻana i ke anu hope loa, a no laila, ʻoi aku ka kiʻekiʻe o ka pale ʻana i ka deformation |
| Ua pau ke anu (Soft) | BKW | ʻO ka hoʻoponopono wela hope e ukali ʻia e ke kaha kiʻi anuanu e pili ana i ka deformation palena.ʻO ka hana hou ʻana kūpono e hiki ai i kahi pae o ke anuanu (e laʻa. |
| (+LC) | ||
| Hoʻopau ke anu a hoʻomaha ke kaumaha | BKS(+SR) | Hoʻohana ʻia ka mālama wela ma hope o ke kaʻina hana anu.Ma muli o nā kūlana kaʻina hana kūpono, hiki i ka hoʻonui ʻana i ke koena o ke koʻikoʻi e pili ana i ka hana ʻana a me ka mīkini ʻana i kekahi pae. |
| Hana ʻia | GBK(+A) | ʻO ke kaʻina hana Cold hope loa e ukali ʻia e ka annealing i loko o kahi lewa hoʻomalu. |
| Hana maʻamau | NBK(+N) | ʻO ke kaʻina hana anu hope loa e ukali ʻia e ka annealing ma luna o ka wahi hoʻololi o luna i kahi lewa hoʻomalu. |
E hana i ke kaʻina hana a me nā pono
Steel billet mea, ma hope o ka pololei kaha kiʻi, oxidation free a me ka malamalama wela lapaʻau (NBK mokuʻāina), non-destructive ho'āʻo, kiʻekiʻe-press flushing a me ka waikawa pickling o ka lua o loko o ka paipu kila, anti rust aila lapaau no ka loko a me waho paia. o ka paipu kila, a me ka pale lepo no na welau elua o ka uhi.
1. ʻO nā paia o loko a me waho o ka paipu kila ʻaʻohe papa okisa;
2.Withstand kiʻekiʻe puʻe, ʻaʻohe leakage, kiʻekiʻe precision, kiʻekiʻe smoothness;
3. ʻO ke anu anuanu me ka ʻole o ka deformation, ka hoʻonui ʻana, ka palahalaha me ka ʻole o nā māwae;
4. Ka ili pale pale lapaʻau.
DIN 2391 paipu kila maʻemaʻe
ʻO ka ʻōnaehana hydraulic, ka mīkini hoʻoheheʻe ʻia, ka mīkini hydraulic, ka hana moku, EVA foaming hydraulic machinery, ka paipu kila no ka mīkini ʻoki hydraulic precision, nā mīkini hana kāmaʻa, nā lako hydraulic, kiʻekiʻe-pressure aila paipu, hydraulic oil pipe, ferrule joint, steel pipe joint, rubber machine. , mīkini kalaiwa, mīkini make, mīkini ʻenekinia, paipu kila kiʻekiʻe no ke kaʻa pahū paʻa, kaʻa hoʻomaʻemaʻe, ʻoihana kaʻa, ʻoihana hana moku.ʻO ka mīkini Diesel, ka ʻenekini hoʻopau i loko, ka mea hoʻoheheʻe ea, nā mīkini hana, nā mīkini mahiʻai a me nā ululāʻau, a me nā mea ʻē aʻe.
Ka manawa hoʻouna: Mei-18-2023