20G igwe anaghị agba nchara
Gburugburu tube oghere → kpo oku → ịkpọpu → isi → annealing → pickling → mmanu (ọla kọpa) → otutu ngafe oyi eserese (oyi mpịakọta) → billet tube → ọgwụgwọ okpomọkụ → ịgbatị→Nnwale hydraulic (nchọpụta ntụpọ) → Akara → nkwakọba ihe.
Ụdị atọ: eriri, ịkụ ọkpọ, eriri mmanụ ma ọ bụ ọkpọ mmanụ
1, enweghị nkebi ígwè ọkpọkọ maka Ọdịdị: GB8162-201
2, Ground onuete ígwè ọkpọkọ maka ibufe mmiri mmiri: GB8163-2018
3. Obere na ọkara mgbali mmiri ọkụ tube enweghị nkebi ígwè ọkpọkọ maka ji esi mmiri ọkụ: GB3087-2018
4. High mgbali enweghị nkebi ọkpọkọ maka ji esi mmiri ọkụ: GB5310-2018 (ST45.8-Ⅲ ụdị)
5. Igwe nchara nchara dị elu maka akụrụngwa fatịlaịza: GB6479-2018
6, enweghị nkebi ígwè ọkpọkọ maka geological mkpọ ala: YB235-2018
7, enweghị nkebi ígwè ọkpọkọ maka mkpọpu mmanụ: YB528-2018
8. Igwe anaghị agba nchara maka mgbawa mmanụ ala: GB9948-2018
9, Pụrụ iche enweghị nkebi ọkpọkọ maka mmanụ egwu olu olu: YB691-2018
10. enweghị nkebi ígwè ọkpọkọ maka ụgbọala ọkara aro: GB3088-2018
11. Igwe anaghị agba nchara maka ụgbọ mmiri: GB5312-2018
12. Oyi dọkpụrụ oyi-akpọrela nkenke enweghị nkebi ígwè anwụrụ: GB3639-2018
| 20G enweghị nkebi ígwè anwụrụ nkọwa tebụl | |||
| 20G enweghị nkebi ígwè anwụrụ nkọwa tebụl | Nkọwapụta | Nkọwapụta | Nkọwapụta |
| 10*2 | 38*4.5 | 60*7 | 108*4 |
| 14*2 | 38*5 | 60*8 | 108*4.5 |
| 14*3 | 38*6 | 63.5*3 | 108*5 |
| 18*3 | 40*2 | 63.5*3.5 | 108*6 |
| 19*2 | 40*3.5 | 63.5*4 | 108*7 |
| 19 * 2.75 | 42*3 | 63.5*4.5 | 108*8 |
| 19*3 | 42*3.5 | 63.5*5 | 108*9 |
| 20*2 | 42*4 | 63.5*6 | 108*10 |
| 22*2 | 42*4.5 | 63.5*9 | 108*12.5 |
| 22*2.5 | 42*5 | 63.5*10 | 114*4 |
| 22*3 | 45*2.5 | 68*4 | 114*4.5 |
| 22*3.5 | 45*3 | 68*6 | 114*5 |
| 22*4 | 45*3.5 | 70*3 | 114*6 |
| 25*2 | 45*4 | 70*3.5 | 114*9 |
| 25*2.5 | 45*4.5 | 70*4 | 133*4.5 |
| 25*3 | 45*5 | 70*4.5 | 133*5 |
| 25*3.5 | 45*6 | 70*5 | 133*6 |
| 25*4 | 48*3 | 70*6 | 133*6.5 |
| 25.4 * 4.5 | 48*3.5 | 70*8 | 133*7 |
| 27*2.5 | 48*4 | 70*9 | 133*8 |
| 28*2.5 | 48*4.5 | 70*10 | 133*9 |
| 28*3 | 51*3 | 73*3.5 | 133*10 |
| 28*3.5 | 51*3.2 | 73*4 | 133*12.5 |
| 28*4 | 51*3.5 | 73*4.5 | 140*6 |
| 28*4.5 | 51*4 | 73*5 | 140*8 |
| 30*3 | 51*4.5 | 73*5.5 | 140*10 |
| 32*2 | 51*5 | 73*7 | 159*4.5 |
| 32*2.5 | 51*6 | 76*3.5 | 159*5 |
| 32*3 | 54*3.5 | 76*4 | 159*5.5 |
| 32*3.5 | 54.5*3.5 | 76*4.5 | 159*6 |
| 32*4 | 54*5 | 76*5 | 159*7 |
| 32*4.5 | 57*3 | 76*6 | 159*8 |
| 32*5 | 57*3.5 | 76*7 | 159*10 |
| 34*3 | 57*4 | 89*4 | 159*12 |
| 34*3.5 | 57*5 | 89*4.5 | 168*5 |
| 34*4 | 57*6 | 89*5 | 168*6 |
| 34*4.5 | 57*10 | 89*6 | 168*7 |
| 34*5 | 57*12 | 89*7 | 168*8 |
| 34*8 | 60*3 | 89*8 | 168*9 |
| 36*4 | 60*3.5 | 89*10 | 168*10 |
| 38*2.5 | 60*4 | 102*4 | 194*6 |
| 38*3 | 60*4.5 | 102*4.5 | 194*7 |
| 38*3.5 | 60*5 | 102*5 | 194*9 |
| 38*4 | 60*6 | 102*6 | 194*10 |
| 194*11 | 245*18 | 325*12 | 426*12 |
| 219*6 | 245*20 | 325*13 | 426*13 |
| 219*6.5 | 273*7 | 325*14 | 426*14 |
| 219*7 | 273*8 | 325*15 | 426*16 |
| 219*8 | 273*9 | 325*16 | 426*17 |
| 219*9 | 273*9.5 | 325*18 | 426*18 |
| 219*10 | 273*10 | 325*20 | 426*19 |
| 219*11 | 273*11 | 325*25 | 426*20 |
| 219*12 | 273*12 | 351*10 | 426*25 |
| 219*13 | 273*13 | 377*9 | 457*14 |
| 219*14 | 273*14 | 377*10 | 480*10 |
| 219*15 | 273*15 | 377*11 | 480*11 |
| 219*16 | 273*16 | 377*12 | 480*12 |
| 219*18 | 273*18 | 377*13 | 480*14 |
| 219*20 | 273*20 | 377*14 | 480*16 |
| 219*25 | 273*25 | 377*15 | 530*9 |
| 245*7 | 273*30 | 377*16 | 530*10 |
| 245*8 | 273*36 | 377*17 | 530*13 |
| 245*9 | 299*12 | 377*25 | 530*14 |
| 245*10 | 325*8 | 426*8 | 530*20 |
| 245*12 | 325*9 | 426*9 | |
| 245*14 | 325*10 | 426*10 | |
| 245*16 | 325*11 | 426*1 | |
