Qingdao Hengjia Steel Pipe Co., Ltd. is a branch of Heng Steel Group .
 Heng Steel Group Established in 2005, is a large steel enterprise in the North of China . Hengjia have a modern factory covering an area of 400,000 square meters, with over 800 employees and a fixed asset of 180 million USD, annual output capacity is up to 800,000 Tons. We can quickly fulfill all of our domestic and international customers' orders, try our best to meet customers' requirements.
About the Oiled and Casing Steel Pipe,we can produce with  Black Painting/Oiled or as your requirement.
In order to provide One-Stop service for customers with superior products from qualified supplier.
Detailed Description:
Oil casing size comparison table | |||||||||
Outer diameter | Theoretical weight | Thickness | Inside diameter | Through diameter | Coupling outer diameter | Thread type | Grade | Length | |
139.7 (5-1/2) |
20.85(0.244) 23.09(15.50) 25.32(17.00) 29.79(20.00) 34.26(23.00) Â |
6.20(0.244) 6.98(0.275) 7.72(0.304) 9.17(0.361) 10.54(0.415) |
127.3(5.012) 125.7(4.950) 124.3(4.892) 121.4(4.778) 118.6(4.670) |
124.1(4.887) 122.6(4.825) 121.1(4.767) 118.2(4.653) 115.4(4.545) |
153.7 (6.050) |
Knuckle Thread/ BTC |
J55 N80 P110 |
8m-12m (2602-39.4) |
|
177.8 (7) |
25.52917.00) 29.79(20.00) 34.26(23.00) 38.73(26.00) 43.20(29.00) 47.66(32.00) 52.13(35.00) 56.60(38.00) |
5.87(0.231) 6.91(0.272) 8.05(0.317) 9.19(0.362) 10.36(0.408) 11.51(0.453) 12.65(0.498) 13.72(0.540) |
166.1(6.538) 164.2(6.456) 161.7(6.366) 159.4(6.276) 157.1(6.180) 154.8(6.090) 152.5(6.004) 150.4(5.430) |
162.9(6.413) 160.8(6.331) 158.5(6.204) 156.2(6.151) 153.9(6.059) 151.6(5.969) 149.3(5.879) 147.2(5.795) Â |
194.5 (7.656) |
Knuckle Thread/ BTC |
J55 N80 P110 Â |
8m-12m (2602-39.4) |
|
219.1 (8-5/8) |
35.75(24.00) 41.71(28.00) 47.66(32.00) 53.62(36.00) 59.58(40.00) |
6.71(0.264) 7.72(0.304) 8.94(0.352) 10.16(0.400) 11.43(0.450) |
205.7(8.093) 203.7(8.020) 201.2(7.927) 198.8(7.827) 196.2(7.724) |
202.5(7.972) 200.5(7.894) 198.0(7.795) 195.6(7.701) 193.0(7.598) Â |
244.5 (9.625) |
Knuckle Thread/ BTC |
J55 N80 P110 |
8m-12m (2602-39.4) |
|
244.5 (9-5/8) |
48.11(32.30) 53.62(36.00) 59.58(40.00) 64.79(43.50) 70.01(47.00) 71.69(53.50) |
7.92(0.312) 8.94(0.352) 10.03(0.395) 11.05(0.435) 11.99(0.472) 13.84(0.545) |
328.7(9.001) 236.6(8.921) 224.4(8.835) 232.4(8.755) 320.5(8.681) 216.8(8.535) |
244.7(8.845) 222.6(8.765) 220.4(8.679) 218.4(8.599) 216.5(8.525) 212.8(8.379) Â |
269.6 (10.6250 |
Knuckle Thread/ BTC |
J55 N80 P110 |
8m-12m (2602-39.4) |
|
273.0 (10-3/4) |
48.78(32.75) 60.32(40.50) 67.77(45.50) 75.96(51.00) 82.67(55.50) Â |
7.09(0.279) 8.89(0.350) 10.26(0.400) 11.43(0.450) 12.57(0.495) |
258.9(10.192) 255.3(10.050) 252.7(9.950) 250.2(9.850) 247.9(9.760) |
254.9(10.035) 251.3(9.894) 248.8(9.794) 246.2(9.694) 243.9(9.604) |
298.5 (11.752) |
Knuckle Thread/ BTC |
J55 N80 P110 |
8m-12m (2602-39.4) |
|
339.7 (13-3/8) |
71.50(48.00) 81.18(54.50) 90.86(61.00) 101.69(68.00) |
8.38(0.330) 9.65(0.380) 10.92(0.430) 12.19(0.480) |
322.9(12.715) 320.4(12.615) 317.9(12.515) 315.3(12.415) Â |
319.0(12.559) 316.5(12.459) 313.9(12.359) 311.4(12.259) |
365.1 (14.374) |
Knuckle Thread/ BTC |
J55 N80 P110 |
8m-12m (2602-39.4) |
|
73.0 (2-7/8) |
9.53(6.40) 11.62(7.90) 12.81(8.60) |
5.51(0217) 7.01(0.276) 7.82(0.308) |
62.00(2.441) 59.00(2.323) 57.40(2.259) |
59.61(2.347) 56.62(2.229) 54.99(2.165) |
88.9 (3.500) |
Knuckle Thread  |
J55 N80 P110 |
8.5m-9.5m (27.9-31.2) |
|
88.9 (3-1/2) |
11.47(7.70) 15.19(10.20) |
5.49(0.216) 7.34(0.289) |
77.9(3.067) 76.0(2.992) |
24.25(2.943) 21.04(2.797) |
107.95 (4.250) |
Knuckle Thread  |
J55 N80 P110 |
8.5m-9.5m (27.9-31.2) |
|
114.3 (4-1/2) |
18.77(12.60) | 6.88(0.271) | 100.5(3.957) | 97.37(3.833) | 132.08 (5.200) |
Knuckle Thread  |
J55 N80 P110 Â |
8.5m-9.5m (27.9-31 |
 Qingdao Hengjia Steel Pipe Co., Ltd
Qingdao Hengjia Steel Pipe Co., Ltd. is a branch of Heng Steel Group .
 Heng Steel Group Established in 2005, is a large steel enterprise in the North of China . Hengjia have a modern factory covering an area of 400,000 square meters, with over 800 employees and a fixed asset of 180 million USD, annual output capacity is up to 800,000 Tons. We can quickly fulfill all of our domestic and international customers' orders, try our best to meet customers' requirements.
About the Oiled and Casing Steel Pipe,we can produce with  Black Painting/Oiled or as your requirement.
In order to provide One-Stop service for customers with superior products from qualified supplier.
Detailed Description:
Oil casing size comparison table | |||||||||
Outer diameter | Theoretical weight | Thickness | Inside diameter | Through diameter | Coupling outer diameter | Thread type | Grade | Length | |
139.7 (5-1/2) |
20.85(0.244) 23.09(15.50) 25.32(17.00) 29.79(20.00) 34.26(23.00) Â |
6.20(0.244) 6.98(0.275) 7.72(0.304) 9.17(0.361) 10.54(0.415) |
127.3(5.012) 125.7(4.950) 124.3(4.892) 121.4(4.778) 118.6(4.670) |
124.1(4.887) 122.6(4.825) 121.1(4.767) 118.2(4.653) 115.4(4.545) |
153.7 (6.050) |
Knuckle Thread/ BTC |
J55 N80 P110 |
8m-12m (2602-39.4) |
|
177.8 (7) |
25.52917.00) 29.79(20.00) 34.26(23.00) 38.73(26.00) 43.20(29.00) 47.66(32.00) 52.13(35.00) 56.60(38.00) |
5.87(0.231) 6.91(0.272) 8.05(0.317) 9.19(0.362) 10.36(0.408) 11.51(0.453) 12.65(0.498) 13.72(0.540) |
166.1(6.538) 164.2(6.456) 161.7(6.366) 159.4(6.276) 157.1(6.180) 154.8(6.090) 152.5(6.004) 150.4(5.430) |
162.9(6.413) 160.8(6.331) 158.5(6.204) Pu Panel Pu panel can be customized to process different sizes Pu Panel,Cold Room Pu Panel,Pu Sandwich Roof Panel,Pu Sandwich Wall Panel Henan Jinming Metal Material Co., Ltd. , https://www.jinminghouse.com |