SHANGHAI SUNMETAL PRODUCE CO.,LTD.

Company Profile

Qingdao Haotan Auto Parts Co., Ltd. specialized in the production of precision cold rolled/cold drawn seamless steel pipes, ERW steel pipes and pre-galvanized pipe. ISO/TS16949 certified. Our products exported to USA, Mexico, Argentina, Australia, South Korea, Singapore and other industries. Widely used in the automotive parts industry, dome steel structures and fitness equipment, steel furniture, and other industries.

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  Cold Rolled Seamless Steel Tube

  Qingdao Haotan Auto Parts Co.,ltd is a professional manufacturer of precision cold drawn/rolled seamless steel located at Auto City, Jimo City，Qingdao China. We specialize in producing cold drawn/rolled seamless steel tube, OD from 19mm to 121mm and WT from 1mm to 15mm according to the Normal standards as GB/T 13793-1992, ASTM A500, A179, DIN 2394, EN10305, BS 1387 and JIS 3445 etc. with material of carbon steel and alloy steel,normal steel grade like STKD270, STKD540, S15C, S25C, S35C, S45C, 34MNB5, 20Cr, 40Cr, Q345b, 30CrMo, 35CrMo, STKM11A-13C, SAE1010 /1020 /1045, EN8D etc... We are supplier of Hyundai China, VW China, and our end user includes Toyota North America, and Chrysler North America
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  Precision Seamless Steel Tube

  We specialize in producing cold drawn/rolled seamless steel tube, OD from 19mm to 121mm and WT from 1mm to 15mm according to the Normal standards as GB/T 13793-1992, ASTM A500, A179, DIN 2394, EN10305, BS 1387 and JIS 3445 etc. with material of carbon steel and alloy steel,normal steel grade like STKD270, STKD540, S15C, S25C, S35C, S45C, 34MNB5, 20Cr, 40Cr, Q345b, 30CrMo, 35CrMo, STKM11A-13C, SAE1010 /1020 /1045, EN8D etc...
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  Cold rolled Mechanical Tube

  Application： Automotive pipeline system; hydraulic system of diesel engine and engineering machinery; hydraulic system of locomotive, aerospace and aviation, shipbuilding and various machinery; metal processing of wind power equipment;
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  Steel Pipes for automotive chassis

  Automotive pipeline system; hydraulic system of diesel engine and engineering machinery; hydraulic system of locomotive, aerospace and aviation, shipbuilding and various machinery; metal processing of wind power equipment; Steel Grade: 10#, 20#, 45#, 16Mn, ST30Al, ST35, ST37, ST37.4, ST45, ST52, ST52.4, E155, E195, E235, E255, E355, etc
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  BkBkwBksGbkNbk Cold Drawn Seamless Precision Steel Pipe

  Qingdao Haotan Auto Parts Co., Ltd. specialized in the production of precision cold rolled/cold drawn seamless steel pipes, ERW steel pipes and pre-galvanized pipe. ISO/TS16949 certified. Our products exported to USA, Mexico, Argentina, Australia, South Korea, Singapore and other industries. Widely used in the automotive parts industry, dome steel structures and fitness equipment, steel furniture, and other industries.
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  ASTM A106 cold drawn high precision steel pipe

  Delivery Conditions 1. BK (+C) No heat treatment after last cold forming process. 2. BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing) 3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed. 4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere. 5. NBK (+N) After the final cold forming process the tubes are annealed above the upper transformation point in acontrolled atmosphere. Application 1. Automotive and mechanical pipes 2. Petroleum cracking pipes 3. High Pressure Boiler Pipe 4. Low and middle pressure fluid transportation pipeline 5. Chemical fertilizer equipment pipes 6. Heat exchanger pipes
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  Cold rolled bright finish steel pipe

  Automotive pipeline system; hydraulic system of diesel engine and engineering machinery; hydraulic system of locomotive, aerospace and aviation, shipbuilding and various machinery; metal processing of wind power equipment;
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  Cold Rolled Seamless Black Finish Steel Tube

  AApplication： utomotive pipeline system; hydraulic system of diesel engine and engineering machinery; hydraulic system of locomotive, aerospace and aviation, shipbuilding and various machinery; metal processing of wind power equipment;
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  EN10305 High precision seamless pipe

  Qingdao Haotan Auto Parts Co., Ltd. specialized in the production of precision cold rolled/cold drawn seamless steel pipes, ERW steel pipes and pre-galvanized pipe. ISO/TS16949 certified. Our products exported to USA, Mexico, Argentina, Australia, South Korea, Singapore and other industries. Widely used in the automotive parts industry, dome steel structures and fitness equipment, steel furniture, and other industries.
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  Long length precision steel pipe annnealed black finish

  Qingdao Haotan Auto Parts Co., Ltd. specialized in the production of precision cold rolled/cold drawn seamless steel pipes, ERW steel pipes and pre-galvanized pipe. ISO/TS16949 certified. Our products exported to USA, Mexico, Argentina, Australia, South Korea, Singapore and other industries. Widely used in the automotive parts industry, dome steel structures and fitness equipment, steel furniture, and other industries.
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  Steel Bushing

  Qingdao Haotan Auto Parts Co., Ltd. specialized in the production of precision cold rolled/cold drawn seamless steel pipes, ERW steel pipes and pre-galvanized pipe. ISO/TS16949 certified. Our products exported to USA, Mexico, Argentina, Australia, South Korea, Singapore and other industries. Widely used in the automotive parts industry, dome steel structures and fitness equipment, steel furniture, and other industries.
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  ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing

  Material: Steel No. ASTM A 53: Grade A, Grade B, Grade C, Type F, Type E ASTM A519: 1010-1045, 4130-4142, 5135 GB/T8162: 10, 20, 35, 45, 16Mn, 12C rMo, 15CrMo, 12C rl MoV JIS G3441: SCM 415 TK, SCM 418 TK, SCM 420 TK, SCM 430 TK, SCM 435 TK, SCM 440 TK JIS G3444: STKM 11A, STKM 12, STKM 13, STKM 14, STKM 15, STKM 16, STKM 17, STKM 18 STKM 19, STKM 20 DIN 2391: St30Si, St30A1, St35, St45, St52 EN10305: E235, E355 EN 10210: S235JRH; S275J0H, S275J2H; S355J0H, S355J2H; S275NH, S355NH; S275NLH, S355NLH Specification: A. Cold Rolled Precision Seamless Tube Od 5-120mm B. Wall Thicknes From 0.8-15mm C. Tube Length Fixed or Random Certificate: SGS, TUV SUD, BV, ISO 9001-2011 Packing: A..With Steel Belt in Bundle B. Oiled and Packing by Pvc Film or Plastic Bags
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  DIN 2391 Seamless Precision Steel Tubes

  Qingdao Haotan Auto Parts Co., Ltd. specialized in the production of precision cold rolled/cold drawn seamless steel pipes, ERW steel pipes and pre-galvanized pipe. ISO/TS16949 certified. Our products exported to USA, Mexico, Argentina, Australia, South Korea, Singapore and other industries. Widely used in the automotive parts industry, dome steel structures and fitness equipment, steel furniture, and other industries.
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  ASTM A106 Seamless Carbon Steel Pipes for transportation

  Qingdao Haotan Auto Parts Co., Ltd. specialized in the production of precision cold rolled/cold drawn seamless steel pipes, ERW steel pipes and pre-galvanized pipe. ISO/TS16949 certified. Our products exported to USA, Mexico, Argentina, Australia, South Korea, Singapore and other industries. Widely used in the automotive parts industry, dome steel structures and fitness equipment, steel furniture, and other industries.
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  Precision ERW Pre-Galvanized Steel Pipe

  Precision ERW Pre-Galvanized Steel Pipe
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  ERW Mild Steel Oval Steel Tube

  construction pipe, structure pipe, Greenhouse pipe, Building material tube, Furniture tube, etc
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  Low alloy high strength structure steel tube

  Round/Square/Rectangular/Oval.etc
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  High Quality Alloy Steel Pipe

  Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose