Salo | Kayan abu | Daidaitawa | Na fasaha | Daraja |
Bututu Karfe mara sumul | Karfe Karfe | API 5L PSL1&PSL2 | Ƙarshen zafi ko sanyi | GR.B,X42,X46,X52,X60,X65,X70, da dai sauransu |
ASTM A53 | Ƙarshen zafi ko sanyi | GR.A, GR.B | ||
ASTM A106 | Ƙarshen zafi ko sanyi | GR.A, GR.B, GR.C | ||
ASTM A179 | Ƙarshen sanyi | A179 | ||
ASTM A192 | Ƙarshen zafi ko sanyi | A192 | ||
ASTM A210/SA210 | Ƙarshen zafi ko sanyi | GR.A-1,GR.C | ||
ASTM A252 | Ƙarshen zafi ko sanyi | GR.1, GR.2, GR.3 | ||
Saukewa: EN10210 | Ƙarshen zafi ko sanyi | S275JRH, S275J0H, S355J0H, S355J2H, da dai sauransu | ||
Saukewa: G3454 | Ƙarshen zafi ko sanyi | Saukewa: STPG370 | ||
Saukewa: G3456 | Ƙarshen zafi ko sanyi | Saukewa: STPG370,STPG410 |

Lanƙwasa Gwajin

Gwajin Kayayyakin Injini

Gwajin Tauri

ThebututuZa a yi ta hanyar da ba ta da matsala kuma za a zana sanyi. Sannan kuma za a yi amfani da bututun da za su yi zafi bayan wucewar sanyi na ƙarshe a zafin jiki na 1200 ° F ko sama.

Haɗin Gwargwadon Daraja da Kemikal (%)
Haɗin Sinadari | C | Mn | P≤ | S≤ | Si ≤ |
0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 | 0.25 |
Hakuri na OD da WT(SA-450/SA-450M):
OD In (mm) | + | - | WT In (mm) | + | - |
<1 (25.4) | 0.10 | 0.10 | ≤1.1/2 (38.1) | 20% | 0 |
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) | 0.20 | 0.20 |
|
|
|
2 <2.1/2 (50.8-63.5) | 0.25 | 0.25 |
|
|
|
2.1/2 <3 (63.5-76.2) | 0.30 | 0.30 |
|
|
|
3-4 (76.2-101.6) | 0.38 | 0.38 |
|
|
|
4~7.1/2(101.6 zuwa 190.5) | 0.38 | 0.64 |
|
|
|
7.1/2~9 (190.5 zuwa 228.6) | 0.38 | 1.14 |
Bututun da aka yi oda a ƙarƙashin wannan ƙayyadaddun shine don masu musayar zafi na tubular, na'urori masu ɗaukar zafi, da makamantan na'urorin canja wurin zafi.



Bare bututu, baƙar fata shafi (na musamman);
6" da masu girma a ƙasa A cikin daure tare da slings auduga guda biyu, wasu masu girma dabam a sako-sako;
Dukansu sun ƙare tare da masu kare ƙarshen;
Ƙarshen ƙaƙƙarfan, ƙarshen bevel;
Alama.


