Ụdị | Nka na ụzụ | Ihe onwunwe | Ọkọlọtọ | Ọkwa | Ojiji |
Eletrik Nguzogide Welded (ERW) ígwè ọkpọkọ | Ugboro dị elu | Carbon ígwè | API 5L PSL1&PSL2 | GR.B,X42,X46,X52,X60,X65,X70, wdg. | Ụgbọ njem mmanụ na gas |
ASTM A53 | GR.A, GR.B | Maka Ọdịdị (Piling) | |||
ASTM A252 | GR.1, GR.2, GR.3 | ||||
EN10210 | S275JRH, S275J0H, S355J0H, S355J2H, wdg | ||||
EN10219 | S275JRH, S275J0H, S355J0H, S355J2H, wdg | ||||
JIS G3452 | SGP, wdg | Ụgbọ njem nke mmiri mmiri dị ala | |||
JIS G3454 | STPG370, STPG410, wdg | Ụgbọ njem nke mmiri mmiri dị elu | |||
JIS G3456 | STPG370, STPG410, STPG480, wdg | nnukwu okpomọkụ ígwè ọkpọkọ |
A na-eji ọkpọkọ nyere iwu n'okpuru nkọwapụta a maka nhazi.
Igwe ọkụ na-eguzogide welded (ERW)
ọkpọkọ iferi ma ọ bụ mkpuchi Black / Varnish (ahaziri);
na ngwugwu ma ọ bụ na-atọ ụtọ;
Ha abụọ na-ejedebe na njedebe njedebe;
Ngwunye larịị, njedebe bevel (2 "na n'elu na njedebe bevel, ogo: 30 ~ 35 °), eri na njikọ;
Ịka akara.
Chemical mejupụtara-mgbidi ọkpụrụkpụ≤40mm | ||||||||
Ọkwa ígwè | % site na oke, kacha | |||||||
Aha igwe | Nọmba igwe | C | Si | Mn | P | S | N | |
|
| ≤40 | 40≤120 |
|
|
|
|
|
S275J0H | 1.0149 | 0.20 | 0.22 | - | 1.50 | 0,035 | 0,035 | 0.009 |
S275J2H | 1.0138 | 0.20 | 0.22 | - | 1.50 | 0,030 | 0,030 | - |
S355J0H | 1.0547 | 0.22 | 0.22 | 0.55 | 1.60 | 0,035 | 0,035 | 0.009 |
Ọkwa ígwè | Ike Mpụta kacha nta (Mp) | Ike tensile (Mp) | Mgbatị kacha nta % | Mmetụta kacha nta J | |||||
| Ọkpụrụkpụ akọwapụtara (mm) | Ọkpụrụkpụ akọwapụtara (mm) | Ọkpụrụkpụ akọwapụtara (mm) | Na ule okpomọkụ nke | |||||
Aha igwe | Nọmba igwe | ≤16 | 16≤40 | ≤3 | >3 ≤40 | ≤40 | -20 ℃ | 0℃ | 20 ℃ |
S275J0H | 1.0149 | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
S275J2H | 1.0138 |
|
|
|
|
| 27 | - | - |
S335J0H | 1.0547 | 355 | 345 | 510-580 | 470-630 | 20 | - | 27 | - |
ASTM A53 Gr.A & Gr.B Carbon ERW Steel Pipe Maka Okpomọkụ Dị Elu
EN10210 S355J2H ERW Steel Pipe
JIS G3454 Carbon ERW Steel Pipe Ọrụ
JIS G3452 Carbon ERW Steel ọkpọkọ maka ọkpọkọ nkịtị
ERW Steel ọkpọkọ
EN10219 S275J0H S275J2H / S275JRH StRUCTURAL ERW Steel Piles Pipe