Kei te hiahia koe ki te mōhio atu mō ngā whakaritenga me ngā rahi o ngā puranga pepa maitai?
GB/T 20933 Ngā Puranga Rino Momo-U me Momo-Z Q235B Q355B Hurihia Wera
Taipitopito Hua
| Āhuatanga | Whakatakotoranga |
|---|---|
| Paerewa | GB/T 20933 |
| Tau | Q235B / Q355B |
| Momo | Ngā Puranga Rino Momo-U / Momo-Z / Larssen |
| Te Hanga | Puranga Rau Rino Hurihia Wera |
| Roa | 6m – 18m (Ngā Puranga Rau Roa Ritenga) |
| Whānui | 400mm – 900mm (Kei te āhua o te kōtaha) |
| Matotoru | 6mm – 25mm |
| Mata | Whakaoti Mira / Pirau / Paninga |
| Taonga Kua Rite | 1000+ Tana e wātea ana |
| Kaweake Ki | Āhia ki te Tonga-mā-rāwhiti / Rawhiti-waenganui / Amerika |
| Tukunga | Utu Tika i te Wheketere, 7–15 Rā |
GB/T 20933 Hanganga Matū o te Puranga Rau Rino Q235B Q355B Hurihia Wera
| Te Kaupae Rino | C | Mn | P | S | Si |
|---|---|---|---|---|---|
| Q235B | ≤0.22% | 0.30–0.70% | ≤0.045% | ≤0.045% | ≤0.35% |
| Q355B | ≤0.20% | 1.00–1.60% | ≤0.035% | ≤0.035% | ≤0.55% |
GB/T 20933 Ngā Āhuatanga Hangarau o te Puranga Rino Q235B Q355B Hurihia Wera
| Te Kaupae Rino | Te Kaha o te Hua | Kaha Kume | Te whakaroa | Pūngao Pānga |
|---|---|---|---|---|
| Q235B | ≥235 MPa | 370–500 MPa | ≥26% | ≥27 J |
| Q355B | ≥355 MPa | 470–630 MPa | ≥22% | ≥27 J |
Whakamārama:
Te Kaha Hua (ReH)Te kaha tuku, te ahotea e tīmata ai te whakarerekētanga kirihou o te maitai.
Kaha Kume (Rm)Kaha kume, te ahotea mōrahi i mua i te whati o te maitai.
Te roa (A%)Te toronga, te ōrau o te rauemi i toronga i mua i te whati, e whakaatu ana i te pakari.
Pūngao Pānga (J)Te pakari o te pānga (Charpy V-notch), te uara e whakamahia whānuitia ana i te 20°C, e tika ana mō ngā whakaritenga taiao hanga.
GB/T 20933 Rahi Puranga Rino Q235B Q355B Hurihia Wera
| Wāhanga | Whānui | Teitei | Matotoru | Horahanga Wāhanga Whakawhiti | Taumaha | Modulus Wāhanga Rino | Te Wā o te Āhuakore | Te Rohe Paninga (ngā taha e rua mō ia puranga) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| (w) | (h) | Flange (tf) | Tukutuku (tw) | Mō ia puranga | Mō ia Pakitara | |||||
| mm | mm | mm | mm | cm2/m | kg/m | kg/m2 | cm3/m | cm4/m | m2/m | |
| Momo II | 400 | 200 | 10.5 | - | 152.9 | 48 | 120 | 874 | 8,740 | 1.33 |
| Momo III | 400 | 250 | 13 | - | 191.1 | 60 | 150 | 1,340 | 16,800 | 1.44 |
| Momo IIIA | 400 | 300 | 13.1 | - | 186 | 58.4 | 146 | 1,520 | 22,800 | 1.44 |
| Momo IV | 400 | 340 | 15.5 | - | 242 | 76.1 | 190 | 2,270 | 38,600 | 1.61 |
| Momo VL | 500 | 400 | 24.3 | - | 267.5 | 105 | 210 | 3,150 | 63,000 | 1.75 |
| Momo IIw | 600 | 260 | 10.3 | - | 131.2 | 61.8 | 103 | 1,000 | 13,000 | 1.77 |
| Momo IIIw | 600 | 360 | 13.4 | - | 173.2 | 81.6 | 136 | 1,800 | 32,400 | 1.9 |
| Momo IVw | 600 | 420 | 18 | - | 225.5 | 106 | 177 | 2,700 | 56,700 | 1.99 |
| Momo VIL | 500 | 450 | 27.6 | - | 305.7 | 120 | 240 | 3,820 | 86,000 | 1.82 |
GB/T 20933 Puranga Rau Rino Q235B Q355B Hurihia Wera Maukati me te mahi ātete wai
Hoahoa: Puranga Rau Rino Honohono, uruhanga ≤1×10⁻⁷ cm/s
Amerika: E tutuki ana i te Paerewa ASTM D5887 mō te Raina hei Whakaiti i te Para i raro i ngā Pahu
Āhia ki te Tonga-mā-rāwhitiĀrai i te wai whenua e turuturu ana mō ngā wā ua pārūrū
GB/T 20933 Tukanga Hanga Puranga Rau Rino Q235B Q355B Hurihia Wera
1. Kōwhiringa Rauemi Mata
Kua tīpakohia, kua whakamatautauria hoki ngā pereki maitai hanganga waro kounga teitei (Q235B / Q355B) kia tino tutuki ai te hanganga matū i ngā paerewa GB/T 20933.
2. Te Whakamahana Pire
Ka whakamahanahia ngā pereki maitai i roto i te oumu whakamahana tonu kia tata ki te1150–1250°C, kia ōrite ai te pāmahana mō te mahi hurihuri tino pai.
3. Te Hurihuri Matua (Te Hurihuri Taratara)
Ka tukuna ngā pereki wera mā roto i ngā mira hurihuri taratara hei whakaiti i te matotoru, hei hanga hoki i ngā āhua taketake.
4. Whakaotihia te Hurihuri
Ka tukatukahia anō te maitai mā roto i ngā mira whakaoti hei whakatutuki i ngā ine, te matotoru, me ngā āhuatanga hangarau e hiahiatia ana mō ngā puranga rau.
5. Te Hanga Kōtaha
Mā te whakamahi i ngā taputapu hurihuri motuhake, ka hangaia te maitai kia rite ki teNgā puranga rau momo-U, momo-Z rānei, kia tika ai te honohono o ngā tapa mō te whakamahinga hangahanga.
6. Te Whakamatao Whakahaeretia
Ka whakamataohia ngā puranga rau ki te hau e whakahaeretia ana, ka whakamataohia rānei kia tere ake te whakamatao hei whakapai ake i te hanganga o te witi, hei whakatutuki i te kaha me te pakari e hiahiatia ana.
7. Te Whakatikatika me te Whakahāngai
Ka whakatikatikaina ngā puranga pepa kua oti mā te whakamahi i ngā mīhini whakataurite kia tika ai ngā āhuatanga me te whakarārangi tika.
8. Te Tapahi me te Whakaritenga Roa
Ka tapahia ngā puranga pepa maitai ki te roa e hiahiatia ana (i te nuinga o te wā6m–18m) me te whiringa whakaotinga mutunga, te whakapiko rānei.
GB/T 20933 Mata Puranga Rino Q235B Q355B Hurihia Wera
Amerika:HDG hei ASTM A123 (paninga konutea iti rawa ≥ 85 µm); he kōwhiringa te paninga 3PE; he rite ngā whakaotinga katoa ki te RoHS.
Āhia ki te Tonga-mā-rāwhitiKo te matotoru o te konukōre wera he hollyh (neke atu i te 100μm), ā, e rua ngā paparanga o te paninga tāra waro epoxy ka pania, ka taea te rehu ki te tote, ka whakamatautauria mō te 5000 hāora me te kore waikura, koinei te mea pai rawa atu mō te whakamahinga i roto i te taiao moana pārūrū.
TONO
1. Puranga Rino Hanganga Whanga:Whakamahia ana mō te hanga tauranga, tauranga me ngā pakitara o te tauranga, hei whakarato i te tautoko hanganga kaha me te pakari mō te wā roa i roto i ngā taiao moana.
2. Puranga Rino Tiaki i te Parenga Awa:I hangaia hei whakau i ngā tahataha awa, hei ārai i te horo o te oneone, hei tiaki hoki i te pānga o te rere o te wai me te waipuke.
3. Puranga Rino Tūāpapa Piriti:Whakamahia ai i roto i te hanganga piriti hei tautoko i te turanga hōhonu, hei whakarite hoki i te pumau o te hanganga i raro i ngā kawenga taimaha.
4. Puranga Rino Hanganga o raro whenua:Ka whakamahia ki ngā rūma o raro whenua, ki ngā kauhanga, me ngā whare o raro whenua hei tautoko pono i te pupuri oneone me te keri.
He aha i whiriwhiri ai i te China Royal Steel mō ngā Puranga Rau Rino
1. Te Kaha me te Pumautanga Teitei
Ko ngā karaehe maitai Q235B me Q355B e whakarato ana i te kaha tuku me te kaha kume, te kaha kawe kawenga pai, me te pumau hanganga mo te wa roa i roto i nga taiao hanga uaua penei i te moana me te turanga.
2. He maha ngā Kōtaha e wātea ana
Ka tukuna e mātouNgā puranga rau momo-U me te momo-Zme ngā pūnaha raka tika, e hoatu ana ki te kaihanga he rārangi o ngā kōwhiringa hoahoa ngāwari hei whakatutuki i ngā hiahia hangarau maha tae atu ki ngā pakitara pupuri, ngā tāwharau me ngā turanga hohonu.
3. Ngā Kōwhiringa Ātete Waikura
Whakaotinga mata Whakarewa wera, maimoatanga ārai-waikura Ka tino whakapaitia te roa o te mahi, ka taea te whakamahi i tēnei hua mō ngā taiao tino kino pērā i te wai moana, te taha o te awa, ngā wāhi haumākū nui, me ētahi atu.
4. Whakaritenga Ngāwari
Ka tautoko mātou i te whakaritenga katoa o te roa (6m–18m), te matotoru, te whānui, me te tukatuka motuhake (te tapahi, te keri, te maimoatanga taha) kia tutuki ai ngā whakaritenga motuhake o te kaupapa me te hoahoa hangarau.
5. He nui ngā taonga me te tere o te wātea
Neke atu i te 1000 tāne o ngā taonga kua oti te whakarite, ka whakarite mātou kia tere te tukatuka ota me te pumau o te tuku, hei āwhina i ngā kiritaki ki te whakaiti i ngā whakaroa kaupapa me te pēhanga o ngā taonga.
6. Utu Tika a te Wheketere
Ka tukuna tika mai e mātou i tā mātou wheketere, ā, kāore he tangata waenga, e āhei ai mātou ki te tuku atu i te utu pai rawa atu, te kounga pumau me te ratonga whai hua ake mō ngā ota nui me ngā kaupapa roa.
TE TĀKAI ME TE TUKU
Tō mātoupuranga pepa maitaiHe mea whakakīkī pūmau ki te whitiki maitai pūmua-nui me ngā kokonga tiaki hei ārai i te piko, i te pakaru rānei i te wā e whakahaeretia ana. Mō ngā pou kua pania, kua peitatia rānei, ka taea te whakarato i te takai-whakaiti, i te takai pania rānei hei ārai i te waikura i te wā e roa ana te tuku kaipuke, i te wā rānei e kawe ana i ngā pou ki te moana. Ka taea te tuku i ngā pou mā roto i ngā ipu, i ngā whata papatahi, i ngā utanga nui, ā, ka whakahaerehia ngā mahi katoa me te paerewa haumaru pakari kia tino pai ai te taenga mai o ngā pou ki tō papa i roto i ngā rā e 7 - 15.
Ngā Pātai Auau
Q1: He aha ngā momo maitai e whakaratohia ana e koutou mō ngā puranga pepa?
A: Ka tukuna e mātou ngā momo GB/T 20933 Q235B me Q355B, e tika ana mō ngā puranga rau momo-U me te momo-Z.
Q2: Ka taea e au te whakarite i te roa, te whānui, te matotoru rānei o ngā puranga pepa?
Āe, ka taea e mātou te whakarite i ngā āhuatanga katoa (roa 6–18m, matotoru 6–25mm, whānui i runga i te kōtaha) kia tutuki ai ngā whakaritenga o te kaupapa.
Q3: He aha te wā tuku noa?
A: Ko te tuku tika mai i te wheketere e 7–15 ngā rā te roa, kei runga i te rahinga ota me te wāhi e haere atu ana.
Q4: Kei te whakarato koe i ngā tiwhikete tirotiro?
Āe, ka whakaratohia e mātou ngā pūrongo whakamātautau mira GB/T 20933 katoa, ngā tiwhikete whakamātautau miihini me te matū, me ētahi atu tuhinga tirotiro ina tonoa mai.
Q5: He aha ngā whakamahinga e tika ana mō āu puranga pepa?
A: Ko ngā whakamahinga noa ko te whakahaere waipuke, te hanga moana, ngā taiepa pupuri, ngā tāwharau, te tautoko turanga, te hanga whanga, me te tiaki i te tahataha awa.
Tuhia tō karere ki konei ka tuku mai ki a mātou
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