Cold-rolled Steel Tube

Place of Origin: Jiangsu China (Mainland) Brand Name: Tubes China Application: Transmission use

Shape: Round Material: ST45 (20#) , CK45 (45#) etc. Dimensions: OD 41. 28 mm to OD 123. 95 mm

Surface: Smooth Standard: DIN 2391, EN 10305, GB/ T 3639 etc. Hardness: ST45 165- 200 CK45 207- 240



Cold- rolled Steel Tube

Cold- drawn or Cold- rolled Precision Seamless Steel Tube

Technology: Cold- drawn, Cold- rolled and

Cold- rolled Steel TubeWidely used in float glass processing line, equipments of woodworking, textile, and dyeing, transmission shaft of heavy automobile, as well as the transmission tubes in other fields Material: ST45 (20#)

CK45 (45#) Hardness: HB ST45 165- 200

CK45 207- 240Length: ?11mRoughness of inner hole: Ra?1. 6umHardnessDiameterOuter diameterInner diameterInner diameter warpInner diameter warp

roundness?80mchrome plate?8m

Chrome plate2841. 2828. 58+0. 03- 0. 05- 0. 05- 0. 150. 03

3244. 4531. 75

47. 75

3850. 8038. 10

54. 10

4457. 1044. 45

60. 45

5769. 8557. 15

73. 15

7082. 5569. 85- 0. 03- 0. 150. 05

85. 85

8395. 2582. 55- 0. 15- 0. 25

98. 55

95111. 2595. 25

108123. 95107. 95

Penetration 3244. 4531. 75- 0. 15- 0. 250. 05

3850. 8038. 10

4457. 1544. 45

5769. 8557. 15

7082. 5569. 85