Feme e rekisoang ka ho fetesisa ea Seamless Steel Pipe Or Tube For Pressure Boiler
Re sebelisa lenaneo le felletseng la taolo ea boleng bo holimo ba mahlale, boleng bo holimo le tumelo e phahameng, re fumana botumo bo botle mme ra lula indastering ena bakeng sa Fektheri e rekisoang ka ho fetesisa ea Seamless Steel Pipe Or Tube For Pressure Boiler, Re tšepahala ebile re bulehile. Re labalabela ketelo ea hau le ho theha likamano tse tšepahalang le tsa nako e telele.
Ka ho sebelisa lenaneo le felletseng la taolo ea boleng bo holimo ba mahlale, boleng bo holimo le tumelo e phahameng, re fumana botumo bo botle mme ra nka indasteri ena bakeng saBoiler Seamless Steel Pipe, phala ea tšepe e se nang moroalo, Khamphani ea rona e monya mehopolo e mecha, taolo e tiileng ea boleng, lethathamo le felletseng la lits'ebeletso, 'me e khomarela ho etsa lihlahisoa tsa boleng bo holimo. Khoebo ea rona e ikemiselitse ho "ts'epahalla le ho ts'epahala, theko e ntle, moreki pele", kahoo re hapile ts'epo ea bongata ba bareki! Haeba u thahasella lihlahisoa le litšebeletso tsa rona, ka kopo u se ke ua tsilatsila ho iteanya le rona!
Kakaretso
Kopo
Haholo-holo e sebelisoa ho etsa tšepe ea boleng bo holimo ea carbon, alloy structural steel le tšepe e sa cheseheng mocheso.phala ea tšepe e se nang moroalos bakeng sa khatello e phahameng le holim'a lipeipi tsa boiler tsa mouoane.
Kereiti e ka Sehloohong
Kereiti ea boleng bo phahameng ba tšepe ea sebopeho sa carbon: 20g, 20mng, 25mng
Kereiti ea tšepe ea sebopeho sa tšepe15mog, 20mog, 12crmog, 15crmog, 12cr2mog, 12crmovg, 12cr3movsitib, joalo-joalo.
Mophato oa tšepe e sa keneleng mocheso1cr18ni9 1cr18ni11nb
Karolo ea Lik'hemik'hale
牌号 | 质量 等级 | 化学成分(质量分数广小/% | ||||||||||||||
C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | Nd | Mo | B | Als” | ||
不大于 | 不小于 | |||||||||||||||
Q345 | A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.30 | 0.50 | 0.20 | 0.012 | 0.10 | —- | - | |||
B | 0.035 | 0.035 | ||||||||||||||
C | 0.030 | 0.030 | 0.07 | 0.15 | 0.20 | 0.015 | ||||||||||
D | 0.18 | 0.030 | 0.025 | |||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q390 | A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.07 | 0.20 | 0.20 | 0.3. | 0.50 | 0.20 | 0.015 | 0.10 | - | - |
B | 0.035 | 0.035 | ||||||||||||||
C | 0.030 | 0.030 | 0,015 | |||||||||||||
D | 0.030 | 0.025 | ||||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q42O | A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.07 | 0.2. | 0.20 | 0.30 | 0.80 | 0.20 | 0.015 | 0.20 | —- | —- |
B | 0.035 | 0.035 | ||||||||||||||
C | 0.030 | 0.030 | 0.015 | |||||||||||||
D | 0.030 | 0.025 | ||||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q46O | C | 0.20 | 0.60 | 1.80 | 0.030 | 0.030 | 0.11 | 0.20 | 0.20 | 0.30 | 0.80 | 0.20 | 0.015 | 0.20 | 0.005 | 0.015 |
D | 0.030 | 0.025 | ||||||||||||||
E | 0.025 | 0.020 | ||||||||||||||
Q500 | C | 0j8 | 0.60 | 1.80 | 0.025 | 0.020 | 0.11 | 0.20 | 0.20 | 0.60 | 0.80 | 0.20 | 0.015 | 0.20 | 0.005 | 0.015 |
D | 0.025 | 0.015 | ||||||||||||||
E | 0.020 | 0.010 | ||||||||||||||
Q550 | C | 0.18 | 0.60 | 2.00 | 0.025 | 0,020 | 0.11 | 0.20 | 0.20 | 0.80 | 0.80 | 0.20 | 0.015 | 0.30 | 0.005 | 0.015 |
D | 0.025 | 0,015 | ||||||||||||||
E | 0.020 | 0.010 | ||||||||||||||
Q62O | C | 0.18 | 0.60 | 2.00 | 0.025 | 0.020 | 0.11 | 0.20 | 0.20 | 1.00 | 0.80 | 0.20 | 0.015 | 0.30 | 0.005 | 0.015 |
D | 0.025 | 0.015 | ||||||||||||||
E | 0.020 | 0.010 | ||||||||||||||
1除Q345A、Q345B牌号外,钢中应至少含有细化晶粒元素Al、Nb、V、Ti中的一种,根据需要,供方粒元素晶粒元素,最大值应符合表中规定。组合加入时,Nb+V+Ti<0.22%° * 对于 Q345、Q390、Q420 和 Q46O 牌号,Mo+Cr<0.30%o °各牌号的Cr、Ni作為残余元素时,Cr、Ni含量应各不大于0.30%方协商确定. J如供方能保证氮元素含量符合表中规定,可不进行氮含量分析。如果钢中加入Al Nb,V,Time素,氮元素含量不作限制,固氮元素含量应在质量证明书中注明. '当采用全铝时,全铝含量Ait^0.020%B |
Thepa ea Mechini
No | Kereiti | Thepa ea Mechini | ||||
|
| Tensile | Khefutsa | Eketsa | Tšusumetso (J) | Handness |
1 | 20G | 410- | ≥ | 24/22% | 40/27 | - |
2 | 20MnG | 415- | ≥ | 22/20% | 40/27 | - |
3 | 25MnG | 485- | ≥ | 20/18% | 40/27 | - |
4 | 15MoG | 450- | ≥ | 22/20% | 40/27 | - |
6 | 12CrMoG | 410- | ≥ | 21/19% | 40/27 | - |
7 | 15CrMoG | 440- | ≥ | 21/19% | 40/27 | - |
8 | 12Cr2MoG | 450- | ≥ | 22/20% | 40/27 | - |
9 | 12Cr1MoVG | 470- | ≥ | 21/19% | 40/27 | - |
10 | 12Cr2MoWVTiB | 540- | ≥ | 18/-% | 40/- | - |
11 | 10Cr9Mo1VNbN | ≥ | ≥ | 20/16% | 40/27 | ≤ |
12 | 10Cr9MoW2VNbBN | ≥ | ≥ | 20/16% | 40/27 | ≤ |
Tlhokahalo ea Teko
Ntle le ho netefatsa sebopeho sa lik'hemik'hale le thepa ea mochini, liteko tsa hydrostatic li etsoa ka bonngoe, 'me ho etsoa liteko tsa ho phatloha le ho bata. . Ho phaella moo, ho na le litlhoko tse itseng bakeng sa microstructure, boholo ba lijo-thollo, le lera la decarburization ea phala ea tšepe e phethiloeng.
Matla a Phepelo
Matla a Phepelo: Lithane tse 2000 ka Khoeli Ka Kreiti ea GB/T5310-2017 Alloy Steel Pipe
Sephutheloana
Ka Mengata Le ka Lebokoseng le Matla la Lehong
Phano
Matsatsi a 7-14 haeba a le setokong, matsatsi a 30-45 ho hlahisa
Tefo
30% depsoit, 70% L/C kapa B/L kopi kapa 100% L/C ha u bona