Standard & Qib: ASTM A179 Cov khoom lag luam
Xaus:Square Ends / Plain Ends (ncaj txiav, saw txiav, taws txiav), Beveled / Threaded Ends
Delivery xeev:Ntshiab, normalized, tempered. nto oiled, dub pleev xim rau, tua blasted, kub dipped galvanized.
Kev tsim khoom thiab kev kho cua sov:
- Cov txheej txheem tsim khoom: Cov kav hlau yuav tsum tau tsim los ntawm cov txheej txheem seamless thiab txias - kos.
- Kev kho cua sov: Cov yeeb nkab steel yuav tsum tau kho cua sov tom qab qhov kawg txias txias, thiab qhov kub tsis tshaj 1200℃F (650℃).
Seamless steel yeeb nkab A179 tus qauv muaj kev ua haujlwm zoo thiab cov khoom siv kho tshuab, yog li nws muaj ntau yam kev siv hauv ntau yam haujlwm:
- boiler thiab tshav kub exchanger: A179 txheem seamless steel yeeb nkab feem ntau yog siv nyob rau hauv boilers thiab tshav kub exchangers, siv los hloov tshav kub, nrog zoo kub thiab siab tsis kam.
- Kev lag luam tshuaj: Hauv kev lag luam tshuaj, A179 tus qauv seamless steel yeeb nkab yog dav siv los thauj cov tshuaj lom neeg, xws li kua qaub, alkali, thiab lwm yam., xav tau cov kav dej kom muaj kev tiv thaiv corrosion zoo.
- Roj thiab roj kis tau tus mob: Seamless steel yeeb nkab A179standard kuj yog feem ntau siv nyob rau hauv cov roj thiab roj kis tau tus mob kav, yuav tsum tau lub pipeline kom muaj zoo nruj thiab siab tsis kam.
- Machinery manufacturing: Nyob rau hauv lub teb ntawm machinery manufacturing, A179 txheem seamless steel yeeb nkab yog dav siv los tsim txhua yam ntawm txhua yam khoom, xws li bearing casing, hydraulic lub tog raj kheej yeeb nkab thiab lwm yam.
Chemical muaj pes tsawg leegthiab Mechanical Performance:
|
Txuj |
Chemical Composition Max (%) |
Mechanical Properties |
||||||||||
|
Qib |
c |
Si |
Mn |
P |
S |
Mo |
Cr |
V |
Tensile zog (Mpa) |
Yield zog (Mpa) |
Elongation (%) |
|
|
ASTM |
A192 |
0.06-0.18 |
0.25 |
0.27-0.63 |
Tsawg dua lossis sib npaug li 0.035 |
Tsawg dua lossis sib npaug li 0.035 |
/ |
/ |
/ |
Ntau dua lossis sib npaug rau 325 |
Ntau dua lossis sib npaug li 180 |
Ntau dua lossis sib npaug li 35 |
|
A179 |
||||||||||||
|
OD hauv (mm) |
+ |
- |
WT nyob rau hauv (mm) |
+ |
- |
|
<1(25.4) |
0.1 |
0.1 |
Tsawg dua los yog sib npaug rau 1.1/2(38.1) |
20% |
0 |
|
1∼1.1/2(25.4∼38.1) |
0.15 |
0.15 |
>1.1/2(38.1) |
22% |
0 |
|
>1.1/2∼<2(38.1∼50.8) |
0.2 |
0.2 |
|||
|
2∼<2.1/2(50.8∼63.5) |
0.25 |
0.25 |
|||
|
2.1/2∼<3(63.5∼76.2) |
0.3 |
0.3 |
|||
|
3∼4(76.2∼101.6) |
0.38 |
0.38 |
|||
|
>4∼7.1/2(101.6∼190.5) |
0.38 |
0.64 |
|||
|
>7.1/2∼9(190.5∼228.6) |
0.38 |
1.14 |
|
Cim npe nrov: astm a179 seamless yeeb nkab, Tuam Tshoj astm a179 seamless yeeb nkab manufacturers, lwm tus neeg, Hoobkas
