Model NO.: Premium Grades API 5CT Casing and Tubing Steel Pip
Product: Premium Grades API 5CT Casing and Tubing Steel Pip
Outer Diameter: 60-630mm
Wall Thickness: 1.53-40mm
Surface: Black Painting/Oiled
Application: Scaffolding , Structure ,Furniture, Oil or Gas, Bo
Technical: Hot Rolling; Cold Drawing; NDT Test; Ut Test; Hydr
Length: Fixed or Random ,by Customer′s Requiremnts
Steel Grade: 20#,Q345b,Gr.B,X42,X56,P11,P22,St37,St45.8,St52,S2
Payment Term: Fob,CIF,CFR
Payment: Tt,LC
Trademark: Hengjia
Transport Package: Hexagonal Shape Bundles Wrapped
Specification: 60-630*1.5-40mm
Origin: China
HS Code: 3917400000
Model NO.: Premium Grades API 5CT Casing and Tubing Steel Pip
Product: Premium Grades API 5CT Casing and Tubing Steel Pip
Outer Diameter: 60-630mm
Wall Thickness: 1.53-40mm
Surface: Black Painting/Oiled
Application: Scaffolding , Structure ,Furniture, Oil or Gas, Bo
Technical: Hot Rolling; Cold Drawing; NDT Test; Ut Test; Hydr
Length: Fixed or Random ,by Customer′s Requiremnts
Steel Grade: 20#,Q345b,Gr.B,X42,X56,P11,P22,St37,St45.8,St52,S2
Payment Term: Fob,CIF,CFR
Payment: Tt,LC
Trademark: Hengjia
Transport Package: Hexagonal Shape Bundles Wrapped
Specification: 60-630*1.5-40mm
Origin: China
HS Code: 3917400000
Qingdao Hengjia Steel Pipe Co., LtdQingdao 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:
Â
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:
Â
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 |












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