| 尺寸偏差 |
| 项目 |
允许偏差 |
| 外径 |
管体 |
D ≤101.60mm ±0.79mm |
| D≥114.30mm +1.0% |
| -0.5% |
| 接箍 |
±1% |
| 壁厚 |
-12.5% |
| 重量 |
单根 |
+6.5% |
| +3.5% |
| 车载量 |
-1.75 |
|
| 螺纹参数允许偏差 |
| 品种规格 |
锥度 |
螺距 |
齿高 |
螺纹角度 |
螺纹长度 |
管端倒角 |
紧密距 |
| 每英寸 |
累计 |
管体螺纹 |
接箍螺纹 |
| 圆螺纹油管2 3/8"-5 1/2" |
10牙/in |
+5.208 -2.600 |
±0.076 |
±0.152 |
+0.051 -0.102 |
±1 2/2 |
±1 1/2P |
+5 -0 |
±1 1/2P |
±1 1/2P |
| 8牙/in |
+5.208 -2.600 |
±0.076 |
±0.152 |
+0.051 -0.102 |
±1 2/2 |
±1P |
+5 -0 |
±1P |
±1P |
| 圆螺纹套管 4 1/2"-4 1/2" |
+5.208 -2.600 |
±0.076 |
±0.152 |
+0.051 -0.102 |
±1 2/2 |
±1P |
+5 -0 |
±1P |
±1PP |
| 偏梯形螺纹套管 |
接箍 |
+4.50 -2.50 |
±0.051 |
±0.102 |
±0.025 |
- |
- |
+5 -0
|
+1 1/2P -0
|
+0 -1 1/2P
|
| 管子 |
完整螺纹 |
+3.50 -1.50 |
| 不完整螺纹 |
+4.50 -1.50 |
|
机械性能
|
| 纲级 |
屈服强度(MPa) |
抗拉强度(MPa) |
延伸率 |
| 最低 |
最低 |
最低 |
最低 |
| Psi |
Mpa |
Psi |
Mpa |
Psi |
Mpa |
HRC |
BHN |
| J-55 |
55000 |
379 |
80000 |
552 |
75000 |
517 |
- |
- |
| K-55 |
55000 |
379 |
80000 |
552 |
95000 |
655 |
- |
- |
| N-80 |
80000 |
552 |
11000 |
758 |
100000 |
689 |
- |
- |
| L-80-1 |
80000 |
552 |
95000 |
655 |
95000 |
655 |
23 |
241 |
| C-90 |
90000 |
621 |
105000 |
724 |
100000 |
689 |
25.4 |
255 |
| C-95 |
95000 |
655 |
110000 |
758 |
105000 |
724 |
- |
- |
| T-95 |
95000 |
655 |
110000 |
758 |
125000 |
724 |
25.4 |
255 |
| P-110 |
110000 |
758 |
140000 |
965 |
100000 |
862 |
- |
- |
| M-65 |
65000 |
448 |
85000 |
586 |
100000 |
689 |
22 |
235 |
| 80 SS |
83000 |
570 |
99000 |
680 |
100000 |
689 |
23 |
241 |
| BG80T |
80000 |
552 |
110000 |
758 |
100000 |
689 |
- |
- |
| BG110T |
110000 |
758 |
140000 |
965 |
125000 |
862 |
- |
- |
|
| 化学成份 |
| 钢级 |
C |
Mn |
Mo |
Cr |
Ni |
Cu |
P |
S |
Si |
| min |
max |
min |
max |
min |
max |
min |
max |
| J-55 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| K-55 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| N-80 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| L-80-1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| C-90-1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| C-90-2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| C-95 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| T-95-1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| T-95-2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| P-110 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| M-65 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 80 SS |
|
|
|
|
|
|
|
|
|
|
|
|
|
| BG80T |
|
|
|
|
|
|
|
|
|
|
|
|
|
| BG110T |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 长度 |
| 项目 |
范围1 |
范围2 |
范围3 |
| 油管 |
6.10-7.32m |
8.53-9.75m |
- |
| 套管 |
4.88-7.62m |
7.62-10.36m |
10.36-14.63m |
|
