general engineering seamless steel pipe
Special Seamless steel pipe factory for ship ,project ,machine part and so on .Materials and standard is API 5L Gr.B /ASTM A106 Gr.B /ASTM A53 Gr.B/ GOST8732 CT20/GOST8731 CT20 /GOST8732 CT45 /STPG370/DIN 1629 ST44/ST52/S355/S235/S275/Q345
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big thickness Mechanical seamless steel pipe for machine part |
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15CrMo seamless alloy steel pipe |
Special Seamless steel pipe factory for ship ,project ,machine part and so on .Materials and standard is 15CrMo seamless steel pipe |
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API 5L GR.B SCH40&SCH80 Seamless steel line pipe for Iran market |
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thick wall Mechanical seamless steel pipe for machine part |
Special Seamless steel pipe factory for ship ,project ,machine part and so on .Materials and standard is API 5L Gr.B /ASTM A106 Gr.B /ASTM A53 Gr.B... |
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ASTM A106 &ST52&API 5L GRB Seamless steel pipe for turkish market |
Special Seamless steel pipe factory for ship ,project ,machine part and so on .Materials and standard is API 5L Gr.B /ASTM A106 Gr.B /ASTM A53 Gr.B... |
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