Nkọwa | Ọkọlọtọ | Ọkwa |
Carbon Steel Pipe enweghị nkebi/ Alloy Steel enweghị nkebi Pipe | API 5L PSL1&PSL2 | GR.B,X42,X46,X52,X60,X65,X70, wdg. |
ASTM A53 | GR.A, GR.B | |
ASTM A106 | GR.A, GR.B, GR.C | |
API 5CT | J55,K55,N80,L80,P110, wdg | |
ASTM A179 | A179 | |
ASTM A192 | A192 | |
ASTM A210/SA210 | GR.A-1,GR.C | |
ASTM A252 | GR.1, GR.2, GR.3 | |
EN10210 | S275JRH, S275J0H, S355J0H, S355J2H, wdg | |
JIS G3454 | STPG370, STPG410 | |
DIN2391 | ST35,ST37,ST37.4,ST45,ST52,ST52.4 | |
DIN1629 | ST37,ST44,ST52 | |
JIS G3456 | STPG370,STPG410,STPG480 | |
ASTM A213 | GR.T11 ,GR.T12,GR.T13 | |
ASTM A519 | GR.1020,GR.1026,GR.1045,GR.4130, wdg. | |
ASTM A335 | GR.P9,GR.P11,GR.P5,GR.P22,GR.P91, wdg. | |
ASTM A333 | GR.1, GR.3, GR.4, GR.6, wdg |
Botop Steel bụ onye na-emepụta ihe na onye na-ere ahịa nke ọkpọkọ ígwè na tubes na China, anyị na-echekwa ma na-enye okirikiri carbon steel pipe maka mmiri mmiri na mmanụ mmanụ n'ogo nke 10 OD ruo 660 OD na nha nke 1mm ruo 100mm.Anyị na-arụpụta carbon LSAW ígwè ọkpọkọ siri ike dị ka mba ọkọlọtọ dị ka ASTM, API & DIN.Anyị nwere ihe karịrị 8000 tọn eriri ahịrị ọkpọkọ na ngwaahịa kwa ọnwa, n'ozuzu anyị nwere ike na-ebuga ngwongwo ozugbo.Otú ọ dị na ikpe pụrụ iche, ọ bụrụ na ngwaahịa nkecarbon ígwè ọkpọkọadịghị anyị nwere ike ibuga ngwongwo na obere oge nnyefe site na mpaghara igwe nri isi iyi ma ọ bụ mbubata
Anyị niileígwè ọkpọkọna tube ngwaahịa na-ọnọ na 3.1 kpọmkwem ule asambodo, dị ka EN 10204. Asambodo dị ka 3.2 nwere ike kwetara n'oge ịtụ.A nabatara nyocha ndị ọzọ (BV, SGS, wdg)
Ọnụ ọgụgụ zuru oke nke ezughị okè n'elu anya ka
nye mmesi obi ike n'oge oge dị mkpa.
A ga-ewepụ ma ọ bụ bepụ ntụpọ ahụ n'ime
oke nke chọrọ na ogologo .Ọkụ emechara
ga-adị ezi uche kwụ ọtọ.
Aha ma ọ bụ akara onye nrụpụta
Nọmba nkọwapụta (ụbọchị afọ ma ọ bụ achọrọ)
Nha (OD, WT, ogologo)
Ọkwa (A ma ọ bụ B)
Ụdị ọkpọkọ (F, E, ma ọ bụ S)
Nnwale nrụgide(enweghị nkebi ígwè ọkpọkọnaanị)
Nọmba okpomọkụ
Ozi mgbakwunye ọ bụla akọwapụtara n'usoro ịzụrụ.
Ọkwa na Ngwakọta kemịkal (%)
Ọkwa | C≤ | Mn | P≤ | S≤ | Si≥ | Cr≤ | Cu≤ | Mo≤ | Ni ≤ | V≤ |
A | 0.25 | 0.27-0.93 | 0,035 | 0,035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
B | 0.30 | 0.29-1.06 | 0,035 | 0,035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
C | 0.35 | 0.29-1.06 | 0,035 | 0,035 | 0.10 | 0.40 | 0.40 | 0.15 | 0.40 | 0.08 |
Ihe eji arụ ọrụ:
|
|
| A? |
|
A | ≥330 | ≥205 | 20 | Annealed |
B | ≥415 | ≥240 | 20 | Annealed |
C | ≥485 | ≥275 | 20 | Annealed |