Kei te hiahia koe ki te mōhio atu mō ngā whakaritenga me ngā rahi o ngā puranga pepa maitai?
Puranga Rau Rino Momo U me Z Q355B/Q235B Hangaia Matao GB/T 29737
Taipitopito Hua
| Āhuatanga | Whakatakotoranga |
|---|---|
| Paerewa | GB/T 29737 |
| Tau | Q235B / Q345B |
| Momo | Ngā Puranga Rau Momo-U / Momo-Z / Larssen |
| Te Hanga | Puranga Rino Matao-Hanga |
| Roa | 6m – 18m (Kei te wātea te roa ritenga) |
| Whānui | 200mm – 900mm (I runga anō i te āhua) |
| Matotoru | 4mm – 12mm |
| Mata | Whakaoti Mira / Paninga / Pirau |
| 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 |
Te Hanganga Matū o te Puranga Rau Rino Q235B/Q355B
| Tau | C | Mn | P | S | Si |
|---|---|---|---|---|---|
| Q235B | ≤0.22 | ≤1.40 | ≤0.035 | ≤0.035 | ≤0.35 |
| Q345B | ≤0.20 | 1.00–1.60 | ≤0.035 | ≤0.035 | ≤0.50 |
Ngā Āhuatanga Hangarau o te Puranga Rino Q235B/Q355B
| Tau | Kaha Hua (MPa) | Kaha Kume (MPa) | Te roa (%) |
|---|---|---|---|
| Q235B | ≥235 | 375 – 500 | ≥26 |
| Q345B | ≥345 | 470 – 630 | ≥21 |
Ngā Tuhipoka:
Kaha Hua ReH = Kaha Hua
Kaha Kume Rm = Kaha Kume
Toronga A = Toronga (ōrau toronga i muri i te whati)
Rahi o te Puranga Rino Q235B/Q355B
| 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 |
Te Maukati Puranga Rau Rino Q235B/Q355B 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
Te tukanga whakaputa puranga maitai Q235B/Q355B
1. Kōwhiringa Rauemi Mata– Ka whiriwhiria ngā rīpene maitai kounga teitei me te hanganga matū pumau.
2. Te Hanga Matao– Ka pikohia ngā rīpene maitai kia tika, ka hurihia kia rite ki ngā kōtaha momo-U, momo-Z, ki ngā kōtaha Larssen rānei i te pāmahana rūma.
3. Te Whakatikatika me te Tapahi– Ka whakatikatikahia ngā pou, ka tapahia ki te roa e hiahiatia ana me ngā āheinga tika.
4. Te Maimoatanga Mata– Ka whakamahia ngā kōwhiringa whakaotinga mira, piauau, pania rānei hei ātete ki te waikura.
5. Tirotiro Kounga– Ka tirohia te hanganga matū, ngā āhuatanga hangarau, me te tika o ngā āhuatanga.
6. Tākai me te Tukunga– Ka paiheretia kia haumaru, ka tukuna ki ngā wāhi o te ao.
Mata Puranga Rino Q235B/Q355B
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 o te Whare HarborWhakamahia mō te hanganga o te tauranga, te tauranga me te pakitara o te tauranga, he tino kaha mō te tautoko hanganga me te roa o te ora ratonga i roto i te taiao moana.
2. Puranga Rino Tiaki AwaI hangaia hei whakapakari i te turanga o ngā tahataha awa, hei rongoā i te horo o te oneone, hei tiaki hoki i te rere o te awa me te waipuke.
3. Puranga Rino Tūāpapa PiritiHe pai mō te whakamahi i roto i te hanganga turanga piriti hei whiwhi turanga hōhonu me te pumau hanganga i raro i te kaha hanganga nui.
4. Puranga Rino o te Whare o raro whenuaWhakamahia i roto i ngā rūma o raro whenua, 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. Utu Tika a te Wheketere– He iti ake te utu ki te whakataurite ki ngā kaiwhakarato o te rohe
2. Taonga kua rite– 1000+ tana mō te tuku tere
3. Mana Kounga Tino Pai– Kua tirotirohia katoatia mā te whakamahi i ngā tirotiro matū, ā-mīhini, me ngā tirotiro ā-rahi
4. Ngā Kōwhiringa Whakarite– Te roa, te kōtaha, me te maimoatanga mata i whakaritea kia rite ki ngā hiahia o te kaupapa
5. Wheako Kaweake Ao– Tukunga pono ki Āhia ki te Tonga-mā-rāwhiti, ki te Waenganui Rawhiti, me Amerika
6. Tautoko Kaweake Ngaio– Ka whakahaerehia ngā tuhinga, ngā takai, me ngā mahi whakahaere me te whai hua
TE TĀKAI ME TE TUKU
He whitiki maitai kaha mō te kawe haumaru
He paninga tiaki kōwhiringa me te takai ātete wai
Tukunga ngāwari mā roto i te nuinga, whata papatahi, ipu paerewa rānei
Ngā tuhinga kaweake katoa tae atu ki te MTC me te Tiwhikete Taketake
Tukunga tere me te pono i roto i ngā rā 7–15
Ngā Pātai Auau
P1: He aha ngā kōtaha e wātea ana?
A: Kei te wātea ngā kōtaha momo-U, momo-Z, me Larssen hei whakatutuki i ngā kaupapa rerekē.
Q2: Ka taea e koe te whakarato i ngā roa ritenga?
Āe, kei a mātou ngā roa mai i te 4m ki te 18m e ai ki ngā hiahia o te kaupapa.
Q3: He aha ngā maimoatanga mata e tukuna ana?
A: Kei te wātea ngā kōwhiringa whakaotinga mira, whakapūmau, pania rānei hei ārai i te waikura.
Q4: He aha ngā māka e wātea ana?
A: Q235B me te Q345B maitai hanga-matao e ai ki te GB/T 29737.
Q5: Kia pehea te roa o te wā tuku?
A: Ka taea te tuku i ngā taonga paerewa i roto i ngā rā 7–15, i runga i te rahinga me te wāhi e tukuna ana.
Tuhia tō karere ki konei ka tuku mai ki a mātou
