Pláta cruach A709ar cheann de na gráid cruach struchtúracha is mó a úsáidtear le haghaidhmonarú droicheadagus struchtúir iompair ualaigh eile. Soláthraíonn Gnee Corten Steel raonta iomlána cruach A709 le gráid chaighdeánacha agus ardfheidhmíochta araon.
Príomhghnéithe
Deartha go sonrach le haghaidhtógáil droichid
Tiús trom (3" agus os a chionn) i stoc i gcónaí
Gráid chaighdeánacha ar fáil:A709 Grád 36, 50, 50W
-gráid ardfheidhmíochta:HPS 50W, HPS 70W
Deimhniú dé:ASTM A709 + AASHTO M270
Charpy V-Ceanglais tástála tionchair notch ar fáil ach iad a iarraidh (Crios 1–3)
Méideanna ar Fáil (Raon Stoc)
Tairgeann Gnee Corten Steel na méideanna rialta seo a leanas; tá toisí speisialta ar fáil arna iarraidh sin.
| Grád | Tiús | Leithead | Fad |
|---|---|---|---|
| 36 | 3/16" – 4" | 48" – 120" | Suas le 480" |
| 50 | 3/16" – 4" | 48" – 120" | Suas le 480" |
| 50W | 3/16" – 4" | 48" – 120" | Suas le 480" |
| HPS 50W | 3/16" – 4" | 48" – 120" | Suas le 480" |
| HPS 70W | 3/16" – 4" | 48" – 120" | Suas le 480" |
Airíonna Ábhar (Riachtanais Mheicniúla)
(Leanfaidh ábhar ASTM A709 an MTR - Tuarascáil Tástála an Mhuilinn)
| Grád | Pointe Toraidh (ksi) | Neart teanntachta (ksi) | Min. Fadú (8") |
|---|---|---|---|
| 36 | 36 | 58–80 | 20% |
| 50 | 50 | 65 | 18% |
| 50W | 50 | 70 | 18% |
| HPS 50W | 50 | 70 | 18% |
| HPS 70W | 70 | 85–110 | 19% @ 2" |
A709 Grád 36 – Comhdhéanamh Ceimiceach
| Eilimint | Ábhar |
|---|---|
| Carbón | 0.25–0.27% ar a mhéad |
| Mangainéis | … (0.85–1.35% ag teastáil má fheire > 3") |
| Fosfar | 0.030–0.040 % max |
| Sulfar | 0.030–0.050 % max |
| sileacain | 0.40% max (0.15-0.40% ag teastáil má tá flange > 3") |
| Copar | 0.20% min |
A709 Grád 50 – Comhdhéanamh Ceimiceach (Níos lú ná nó cothrom le 4" tiubh)
| Eilimint | Ábhar |
|---|---|
| Carbón | 0.23% ar a mhéad |
| Mangainéis | 1.35% max |
| Fosfar | 0.030% max |
| Sulfar | 0.030% max |
| sileacain | 0.15–0.40% |
| Columbium (Nb) | 0.005–0.05% |
| Vanaidiam | 0.01–0.15% |
A709 Grád 50W – Comhdhéanamh Ceimiceach
Cineál A & Cineál B
| Eilimint | Cineál A | Cineál B |
|---|---|---|
| Carbón | 0.19% max | 0.20% ar a mhéad |
| Mangainéis | 0.80–1.25% | 0.75–1.35% |
| Fosfar | 0.030% max | 0.030% max |
| Sulfar | 0.030% max | 0.030% max |
| sileacain | 0.30–0.65% | 0.015–0.50% |
| nicil | 0.40% max | 0.50% max |
| Cróimiam | 0.40–0.65% | 0.40–0.70% |
| Copar | 0.25–0.40% | 0.20–0.40% |
| Vanaidiam | 0.02–0.10% | 0.01–0.10% |
A709 HPS 50W & HPS 70W – Comhdhéanamh Ceimiceach
| Eilimint | Ábhar |
|---|---|
| Carbón | 0.11% ar a mhéad |
| Mangainéis | 1.10–1.50% |
| Fosfar | 0.020% max |
| Sulfar | 0.006% max |
| sileacain | 0.30–0.50% |
| Copar | 0.25–0.40% |
| nicil | 0.25–0.40% |
| Cróimiam | 0.45–0.70% |
| moluibdín | 0.02–0.08% |
| Vanaidiam | 0.04–0.08% |
| Columbium | … |
| Alúmanam | 0.010–0.040% |
| Nítrigin | 0.015% max |
Cad é cruach A709 grád 50W?
Tá ASTM A709-50Wsonraíocht chaighdeánach do chruach struchtúrach go príomha i ndéanamh droichid chruach. Clúdaíonn ASTM A709-50W ard-neart, íseal a cheadú cruthanna struchtúracha cruach, plátaí agus barraí.
Cad é grád cruach ASTM A709?
Is í an ASTM A709 an Sonraíocht Chaighdeánach do Chruach Struchtúrtha do Dhroichid agus cuimsíonn sé cóimhiotail charbóin, ard-neart íseal{-, agus cruach cóimhiotail atá múchta agus tempered a úsáidtear mar phlátaí struchtúracha i dtógáil droichid. Tairgeann SSAB na cúig ghrád A709 seo a leanas;36, 50, 50W, HPS 50W agus HPS 70W.
Cad é an difríocht idir ASTM A572 Grád 50 agus ASTM A709 Grád 50?
A572 Grád 50: Úsáidtear é i raon leathan d'iarratais struchtúracha, lena n-áirítear foirgnimh, túir tarchurtha, trealamh, agus tógáil ghinearálta. Níl sé optamaithe go sonrach le haghaidh droichid. A709 Grád 50: Úsáidtear go príomha le haghaidh tógála droichid agus struchtúir eile a bhfuil géarghá le hardness agus weldability feabhsaithe.
Cad é an neart toraidh ASTM A709 grád 50?
Éilíonn cruach Grád 50 den tsonraíocht seo neart toraidh íosta de 50 ksi. Úsáidtear é mar bhaill struchtúracha i dtógáil droichead nó le haghaidh struchtúir dá samhail.
Cad é an difríocht idir ASTM A36 agus A709?
Is ábhar droichid é ASTM A709 grád 36 ina gcuireann carbóin le neart agus le hardenability an chruach.Tá níos lú ná0 ag A36. 30% carbóin agus mar sin, nach bhfuil hardenability ard. Tá friotaíocht creimeadh feabhsaithe ag pláta cruach ASTM A709 grád 36 agus is féidir é a úsáid in iarratais lasmuigh.
Cad é comhionann le ASTM A572 grád 50?
Tá ASTM A572 Grád 50 comhionann le roinnt gráid cruach eile, agus is iad na coibhéisí idirnáisiúnta is coitianta ná S355JR (caighdeán Eorpach) agus Q345B (caighdeán na Síne). Braitheann an choibhéis is fearr ar riachtanais shonracha an tionscadail, mar sin is fearr i gcónaí dul i gcomhairle le sonraíochtaí ábhair agus speisialtóir chun comhoiriúnacht a dhearbhú.
Cad é an difríocht idir ASTM A36 agus ASTM A572 GR 50?
Mar a luadh cheana,Is cruach é A36 a bhfuil neart toraidh íosta de 36,000 PSI aige. Eascraíonn an grád seo a neart ó mheascán de charbón agus de mhangainéis. Ar an láimh eile, is cineál cruach é A572-50, mar shampla, le neart toraidh íosta de 50,000 PSI.
Cad é an difríocht idir A572 agus s355?
Go hachomair, tá an dá ASTM A572 Grád 50 agus S355JR roghanna den scoth le haghaidh feidhmeanna cruach struchtúrach, leASTM A572 Grád 50 ag soláthar cumais neart níos airde agus S355JR ag tairiscint solúbthacht agus úsáid fhorleathan i dtionscadail tógála Eorpacha.
An bhfuil cruach A572 resistant creimeadh?
Úsáidtear cruach A572 de ghnáth in iarratais struchtúracha mar gheall ar a neart ard, insínteacht, weldability agusfriotaíocht creimeadh. Áirítear ar na hiarratais seo ailt struchtúracha, barraí athneartaithe, droichid, skyscrapers agus tithe.
| Gráid Carbóin agus Íseal-cóimhiotal Ard-Cruachanna arna soláthar ag GNEE | |||||
| ASTM/ASME | ASTM A36/A36M | ASTM A36 | |||
| ASTM A283/A283M | ASTM A283 Grád A | ASTM A283 Grád B | ASTM A283 Grád C | ASTM A283 Grád D | |
| ASTM A514/A514M | ASTM A514 Grád A | ASTM A514 Grád B | ASTM A514 Grád C | ASTM A514 Grád E | |
| ASTM A514 Grád F | ASTM A514 Grád H | ASTM A514 Grád J | ASTM A514 Grád K | ||
| ASTM A514 Grád M | ASTM A514 Grád P | ASTM A514 Grád Q | ASTM A514 Grád R | ||
| ASTM A514 Grád S | ASTM A514 Grád T | ||||
| ASTM A572/A572M | ASTM A572 Grád 42 | ASTM A572 Grád 50 | ASTM A572 Grád 55 | ASTM A572 grád 60 | |
| ASTM A572 Grád 65 | |||||
| ASTM A573/A573M | ASTM A573 Grád 58 | ASTM A573 grád 65 | ASTM A573 Grád 70 | ||
| ASTM A588/A588M | ASTM A588 Grád A | ASTM A588 Grád B | ASTM A588 Grád C | ASTM A588 Grád K | |
| ASTM A633/A633M | ASTM A633 Grád A | ASTM A633 Grád C | ASTM A633 Grád D | ASTM A633 Grád E | |
| ASTM A656/A656M | ASTM A656 grád 50 | ASTM A656 grád 60 | ASTM A656 grád 70 | ASTM A656 grád 80 | |
| ASTM A709/A709M | ASTM A709 grád 36 | ASTM A709 Grád 50 saor in aisce, | ASTM A709 Grád 50S | ASTM A709 Grád 50W | |
| ASTM A709 Grád HPS 50W | ASTM A709 Grád HPS 70W | ASTM A709 grád 100 | ASTM A709 Grád 100W | ||
| ASTM A709 Grád HPS 100W | |||||
| ASME SA36/SA36M | ASME SA36 | ||||
| ASME SA283/SA283M | ASME SA283 Grád A | ASME SA283 Grád B | ASME SA283 Grád C | ASME SA283 Grád D | |
| ASME SA514/SA514M | ASME SA514 Grád A | ASME SA514 Grád B | ASME SA514 Grád C | ASME SA514 Grád E | |
| ASME SA514 Grád F | ASME SA514 Grád H | ASME SA514 Grád J | ASME SA514 Grád K | ||
| ASME SA514 Grád M | ASME SA514 Grád P | ASME SA514 Grád Q | ASME SA514 Grád R | ||
| ASME SA514 Grád S | ASME SA514 Grád T | ||||
| ASME SA572/SA572M | ASME SA572 Grád 42 | ASME SA572 Grád 50 | ASME SA572 Grád 55 | ASME SA572 Grád 60 | |
| ASME SA572 Grád 65 | |||||
| ASME SA573/SA573M | ASME SA573 Grád 58 | ASME SA573 Grád 65 | ASME SA573 Grád 70 | ||
| ASME SA588/SA588M | ASME SA588 Grád A | ASME SA588 Grád B | ASME SA588 Grád C | ASME SA588 Grád K | |
| ASME SA633/SA633M | ASME SA633 Grád A | ASME SA633 Grád C | ASME SA633 Grád D | ASME SA633 Grád E | |
| ASME SA656/SA656M | ASME SA656 Grád 50 | ASME SA656 Grád 60 | ASME SA656 Grád 70 | ASME SA656 Grád 80 | |
| ASME SA709/SA709M | ASME SA709 Grád 36 | ASME SA709 Grád 50 | ASME SA709 Grád 50S | ASME SA709 Grád 50W | |
| ASME SA709 Grád HPS 50W | ASME SA709 Grád HPS 70W | ASME SA709 Grád 100 | ASME SA709 Grád 100W | ||
| ASME SA709 Grád HPS 100W | |||||
| EN10025 | EN10025-2 | EN10025-2 S235J0 | EN10025-2 S275J0 | EN10025-2 S355J0 | EN10025-2 S355K2 |
| EN10025-2 S235JR | EN10025-2 S275JR | EN10025-2 S355JR | EN10025-2 S420J0 | ||
| EN10025-2 S235J2 | EN10025-2 S275J2 | EN10025-2 S355J2 | |||
| EN10025-3 | EN10025-3 S275N | EN10025-3 S355N | EN10025-3 S420N | EN10025-3 S460N | |
| EN10025-3 S275NL | EN10025-3 S355NL | EN10025-3 S420NL | EN10025-3 S460NL | ||
| EN10025-4 | EN10025-4 S275M | EN10025-4 S355M | EN10025-4 S420M | EN10025-4 S460M | |
| EN10025-4 S275ML | EN10025-4 S355ML | EN10025-4 S420ML | EN10025-4 S460ML | ||
| EN10025-6 | EN10025-6 S460Q | EN10025-6 S460QL | EN10025-6 S460QL1 | EN10025-6 S500Q | |
| EN10025-6 S500QL | EN10025-6 S500QL1 | EN10025-6 S550Q | EN10025-6 S550QL | ||
| EN10025-6 S550QL1 | EN10025-6 S620Q | EN10025-6 S620QL | EN10025-6 S620QL1 | ||
| EN10025-6 S690Q | EN10025-6 S690QL | EN10025-6 S690Q1 | EN10025-6 S890Q | ||
| EN10025-6 S890QL | EN10025-6 S890QL1 | EN10025-6 S960Q | EN10025-6 S960QL | ||
| JIS | JIS G3101 | JIS G3101 SS330 | JIS G3101 SS400 | JIS G3101 SS490 | JIS G3101 SS540 |
| JIS G3106 | JIS G3106 SM400A | JIS G3106 SM400B | JIS G3106 SM400C | JIS G3106 SM490A | |
| JIS G3106 SM490YA | JIS G3106 SM490B | JIS G3106 SM490YB | JIS G3106 SM490C | ||
| JIS G3106 SM520B | JIS G3106 SM520C | JIS G3106 SM570 | |||
| DIN | DIN 17100 | DIN17100 St52-3 | DIN17100 St37-2 | DIN17100 St37-3 | DIN17100 RSt37-2 |
| DIN17100 USt37-2 | |||||
| DIN 17102 | DIN17102 Ste315 | DIN 17102 EStE315 | DIN17102 TStE315 | DIN17102 WStE315 | |
| DIN17102 Ste355 | DIN 17102 EStE355 | DIN17102 TStE355 | DIN17102 WStE355 | ||
| DIN17102 Ste380 | DIN 17102 EStE380 | DIN17102 TStE380 | DIN17102 WStE380 | ||
| DIN17102 Ste420 | DIN 17102 EStE420 | DIN17102 TStE420 | DIN17102 WStE420 | ||
| DIN17102 Ste460 | DIN 17102 EStE460 | DIN17102 TStE460 | DIN17102 WStE460 | ||
| DIN17102 Ste500 | DIN 17102 EStE500 | DIN17102 TStE500 | DIN17102 WStE500 | ||
| DIN17102 EStE285 | |||||
| GB | GB/T700 | GB/T700 Q235A | GB/T700 Q235B | GB/T700 Q235C | GB/T700 Q235D |
| GB/T700 Q275 | |||||
| GB/T1591 | GB/T1591 Q345A | GB/T1591 Q390A | GB/T1591 Q420A | GB/T1591 Q420E | |
| GB/T1591 Q345B | GB/T1591 Q390B | GB/T1591 Q420B | GB/T1591 Q460C | ||
| GB/T1591 Q345C | GB/T1591 Q390C | GB/T1591 Q420C | GB/T1591 Q460D | ||
| GB/T1591 Q345D | GB/T1591 Q390D | GB/T1591 Q420D | GB/T1591 Q460E | ||
| GB/T1591 Q345E | GB/T1591 Q390E | ||||
| GB/T16270 | GB/T16270 Q550C | GB/T16270 Q550D | GB/T16270 Q550E | GB/T16270 Q550F | |
| GB/T16270 Q620C | GB/T16270 Q620D | GB/T16270 Q620E | GB/T16270 Q620F | ||
| GB/T16270 Q690C | GB/T16270 Q690D | GB/T16270 Q690E | GB/T16270 Q690F | ||
| GB/T16270 Q800C | GB/T16270 Q800D | GB/T16270 Q800E | GB/T16270 Q800F | ||
| GB/T16270 Q890C | GB/T16270 Q890D | GB/T16270 Q890E | GB/T16270 Q890F | ||
| GB/T16270 Q960C | GB/T16270 Q960D | GB/T16270 Q960E | GB/T16270 Q960F | ||
| GB/T16270 Q500 | |||||
