Video
Khoom Description
A516 Gr70 tuaj yeem siv rau kev tsim khoom nruab nrab thiab qis -siab boilers. Xws li boilers tso cai nruj rau cov hlau, tshwj xeeb tshaj yog hais txog toughness ntawm ambient kub thiab tsis kub, weldability, thiab txaus lub zog. A516 Gr70 ua tau raws li cov kev cai no zoo.
- Tsim nyog Toughness:Tom qab normalizing kev kho mob, A516 Gr70 steel phaj muab zoo heev cuam tshuam toughness ntawm ob qho tib si ambient thiab qis kub. Cov cuab yeej no pab tiv thaiv kev ntxhov siab los ntawm qhov kub thiab txias thaum lub sij hawm boiler pib- nce thiab kaw.
- Zoo Weldability:Raws li qis- carbon steel, nws cov ntsiab lus carbon tsawg, txo qhov kev pheej hmoo ntawm kev tsim cov microstructures hardened thaum vuam. Qhov no ua kom ruaj khov kev ua haujlwm ntawm cov pob qij txha welded, uas yog qhov tseem ceeb vim tias cov khoom siv boiler siab koom nrog kev vuam dav.
- Muaj zog txaus:Nrog lub zog tawm los ntawm Ntau dua lossis sib npaug ntawm 260 MPa thiab lub zog tensile ntawm 485-620 MPa, A516 Gr70 muaj peev xwm tiv taus kev ua haujlwm siab ntawm nruab nrab thiab qis -siab boilers.
Yuxin Steel yog tus neeg muag khoom ntseeg siab ntawm A516 GR70 steel, muab kev xa khoom thoob ntiaj teb. Peb cov khoom raug kuaj thiab ntawv pov thawj kom ua tau raws li cov qauv tsim nyog. Nyem lub pob hauv qab no txhawm rau thov kev tsocai!
Mill-Test-Certificate-thiab-Certificate- ntawm- Keeb Kwm.PDF
Khoom Specifications
| Khoom npe | A516 Gr70 Hlau Phaj Rau Boiler |
| Txuj | ASTM A516 Qib 70 |
| Hom khoom | Carbon Steel Phaj rau Boiler & Pressure Vessel |
| Thickness | 6mm-150 hli |
| Dav | 1,500-4,200 hli |
| Ntev | 3,000mm-18,000mm |
| Yield zog (min) | 260 MPa |
| Tensile zog | 485-620 MPa |
| Elongation | Ntau dua lossis sib npaug li 17% |
| Cov pa roj carbon (C) | 0.28%–0.31% |
| Manganese (Mn) | 0.85 – 1.20% |
| Silicon (Si) | 0.15 – 0.40% |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.035% |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.035% |
| Nto | Kub Rolled |
| Kev ua haujlwm | Nplaim txiav / Plasma txiav / CNC Machining |
| Kev tshuaj xyuas | UT Test, Mechanical Test, Chemical Analysis |
| Daim ntawv thov | Boilers, Siab Vessels |
Vim li cas A516 Gr70 Hlau Phaj Rau Boiler Muaj Weldability Zoo?
1. Cov ntsiab lus carbon tsawg txo qhov kev pheej hmoo ntawm vuam tawg
Cov Ntsiab Cai Tswj Xyuas Cov Ntsiab Lus Carbon: A516 Gr70 tuav cov pa roj carbon tsawg ntawm 0.28% - 0.31%, uas yog qhov laj thawj tseem ceeb rau nws txoj kev weldability zoo dua.
- Kev Tiv Thaiv Kab Mob Txias: Thaum lub sij hawm vuam, qis- carbon hlau tsis tshua muaj peev xwm tsim cov qauv martensitic hauv cov vuam thiab cua sov- thaj tsam cuam tshuam (HAZ), txo qhov kev pheej hmoo ntawm kev tawg tom qab txias.
- Txo Kub Cracking: Kev sib xyaw ua ke ntawm cov pa roj carbon tsawg nrog cov tsis muaj leej faj thiab phosphorus txo qis kub luv, txo qis qhov nyiam kub tawg thaum lub sij hawm siab - kub vuam.
2. Thaum tshav kub kub ruaj khov-Teb chaws cuam tshuam (HAZ) Cov Khoom
- Tsawg HAZ Hardness: Piv nrog siab - carbon steels lossis siab - lub zog qis- alloy steels, A516 Gr70 qhia tau hais tias qhov hardness tsawg zuj zus hauv HAZ, khaws zoo toughness thiab txo cov kev pheej hmoo ntawm nkig puas.
- Normalized rau Toughness: Muab nyob rau hauv lub normalized mob, cov hlau muaj ib tug uniform microstructure. Qhov no tswj cov qoob loo loj hlob nyob rau hauv HAZ thaum lub sij hawm vuam, tswj siab toughness tuav.
3. Muaj zog Adaptability rau vuam txheej txheem
- Tau tshaj Cov Txheej Txheem: Haum rau SMAW, SAW, GMAW/MIG, thiab GTAW/TIG cov txheej txheem.
- Yooj Yim Ua Ntej-Kev Kho Mob: Feem ntau, tsis muaj preheating lossis tsuas yog qis-kub preheating yog yuav tsum tau. Tshaj tawm -weld stress relief feem ntau tsis tsim nyog, uas txo cov nqi vuam thiab lub sijhawm.
4. Zoo Weld Hlau-Base Hlau Compatibility
- Strength Matching: Siv tus qauv qis- carbon lossis qis- alloy vuam consumables, lub vuam hlau tuaj yeem yooj yim phim cov txiaj ntsig thiab tensile lub zog ntawm lub hauv paus hlau, tiv thaiv cov pob qij txha tsis muaj zog.
- Tsawg-Temperature Toughness: Txawm tias ntawm -46 degree, qhov cuam tshuam lub zog ntawm ob qho tib si vuam thiab HAZ ua tau raws li tus qauv yuav tsum tau ua, ua raws li qhov hnyav ntawm lub hauv paus hlau. Qhov no ua rau A516 Gr70 txhim khu kev qha rau cov cuab yeej siv siab ua haujlwm nyob rau hauv qis - qhov kub thiab txias.
Qhov zoo ntawm A516 Gr70 tshaj Lwm Cov Hlau hauv Boiler Manufacturing
Superior Toughness
A516 Gr70 muab kev cuam tshuam zoo heev ntawm qhov kub thiab txias, txo qhov kev pheej hmoo ntawm kev tawg thaum lub boiler pib-nce thiab kaw. Ntau lwm cov hlau tsis tuaj yeem ua tau raws li qib qis - qhov kub thiab txias.
Weldability zoo heev
Nrog cov ntsiab lus tsis tshua muaj carbon (≈0.28%–0.31%) thiab tswj cov qib sulfur thiab phosphorus, A516 Gr70 muaj qhov ruaj khov vuam cov pob qij txha thiab tsawg kawg yuav muaj qhov txias lossis kub tawg. Qhov no ua rau nws yooj yim rau fabricate dua siab dua - carbon lossis alloyed steels.
Lub zog txaus rau nruab nrab thiab qis -Pressure Boilers
Yield zog Ntau tshaj los yog sib npaug rau 260 MPa thiab tensile zog 485-620 MPa xyuas kom meej tias nws muaj peev xwm tswj tau kev khiav hauj lwm siab. Piv nrog cov hlau me me, A516 Gr70 muab lub zog zoo dua - rau - qhov hnyav.
Normalized Condition Xyuas kom Uniform Microstructure
Muab nyob rau hauv lub xeev normalized, nws muaj ib tug zoo txhua yam khoom thiab ruaj khov kev ua tau zoo nyob rau hauv lub hauv paus hlau thiab tshav kub- tej thaj chaw cuam tshuam, tsis zoo li tej steels uas yuav tsum tau kev kho mob ntxiv.
Tus nqi - Ua tau zoo thiab muaj dav
Raws li cov khoom siv ASTM tus qauv, A516 Gr70 yog dav tsim thiab yooj yim rau qhov chaw thoob ntiaj teb, feem ntau ntawm tus nqi qis dua cov hlau alloy nrog kev ua haujlwm zoo sib xws.
Peb lub Hoobkas
Cov lus teb rau cov neeg siv khoom
Tom qab tau txais cov khoom, cov neeg siv khoom tau muab peb cov lus qhuas.
Vim Li Cas Xaiv Peb
Cim npe nrov: a516 gr70 steel phaj rau boiler, Tuam Tshoj a516 gr70 steel phaj rau boiler lwm tus neeg
