HAINER STEEL INDUSTRIAL CO.,LTD

WENZHOU HAINER STEEL TECH. CO.,LTD                               

Products:ASTM,JIS,BS,SMLS Pipe/Tube,Flange,Valve,Fittings (Elbow,Tee,Reduce),Sheets,Rod,Wire...

Materials: 304/L/H,310S,316L/Ti,317L,321,347H,2205,2507,904L,17-4PH,17-7PH,Monel 400,Inconel 600,625,800,825..

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HAINER STEEL INDUSTRIAL CO.,LIMITED Quality Control

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QC Profile

HAINEAR STEE INDUSTRIAL CO.,LTD had a series of testing to controal the quality all products before packing and delivery

Like Stainless Steel Seamless Pipes,we have main 3 parties inspection test plain ( ITP )

 

 

Part 1:For the raw material (Round Bars And Pipe Billet - For Seamelss Pipe Only),

we have two parties to test the quality

 

 

A: Test Of Chemical Compositioin

B: Test Of Mechanical Properties

    This test included

     -- Yield Strength Rt 0.5 M Pa ( Psi ), Mini requirements

     -- Tensile Strength Rm M Pa ( Psi ), Min requirements

     -- Elongation ( % ), Min requirements

 

Part 2: During production pipes,we have kinds of testing to control the quality,

The test included (Both Seamless And Welded Pipes)

 

 

-- Pipe surface both outside and inside

-- Tolerance of OD,W.T

-- Size ( Outside diameter, Wall thickness, Length )

-- Chemical Composition

-- Mechanical Properties

 

 

If pipe is stainless steel welded pipe,wel also have additional inspection

 

-- Online Ultrasonic Inspection

-- Visual Inspection For Outside Seaml ( times )

-- Visual Inspection For Inside Seam ( times )

-- X-Ray Inspection For Welding Seam

 

 

Part 3: Final Production of pipes,we have below testings in order to reach the quality meet to buyer's requirements

 

 

-- Test Of Pipe Body ( Both Seamless And Welded Pipes )

 

 

1.Yield Strength (M pa),Min requirements   

2. Tensile Strength (M pa),Min requirements  

3. Elongation (%),Min requirements   

4. Hydro-static or Nondestructive Electric Test   

5. IGC (Inter-Granular Corrosion Test)   

6. Ultrasonic Test (If buyer requested)   

7. Eddy Current Test (If buyer requested)

If the pipe is welded pipe,we also need to test welded seam both Tensile Strength and Yield Strength mini requirements

 

Certification
  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:ISO 9001:2015

    Number:CN5747-QC

    Issue Date:2021-08-24

    Expiry Date:2024-08-23

    Scope/Range:The registration covers the sales of steel.metal product and mechanical equipment

    Issued By:TQCS International Pty Ltd

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:TUV TEST Certificate-SMLS Pipe

    Number:QM-CS-01

    Issue Date:2022-11-11

    Expiry Date:2022-12-28

    Scope/Range:Stainless Steel Pipe

    Issued By:TUV Thuringen Shanghai

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:UT TESTING Certuficate-90D ELBOW

    Number:F8071205

    Issue Date:2018-07-12

    Expiry Date:2016-06-16

    Scope/Range:90D ELBOW

    Issued By:Shanghai Fuxin Chenmical Technology Service Co.,Ltd

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:Intergranular Corrosion Test -304L ELBOW

    Issue Date:2022-12-15

    Expiry Date:2025-12-15

    Scope/Range:ASTM A403 Stainless Steel 304 Seamless Pipe

    Issued By:Wenzhou Hainer Steel Tech Co,.Ltd

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC ASTM A312 316L SMLS Pipe

    Number:HR226400

    Issue Date:2022-10-17

    Expiry Date:2025-10-18

    Scope/Range:ASTM A312 ,316L Seamless Steel Pipe

    Issued By:SGS / BV / Wenzhou Zhongyuan Steel Industrial Co,.Ltd

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC ASTM A270 BA&400 GRIT FINISH TP316L

    Number:HR220524

    Issue Date:2022-05-20

    Expiry Date:2025-05-20

    Scope/Range:ASTM A270 Welded tube TP316L

    Issued By:Wenzhou Zhongyuan Steel Industrial Co,.Ltd

  • HAINER STEEL INDUSTRIAL CO.,LIMITED
  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC ASTM A213 A269 EP FINISH TP316L MTC ASTM 316L SMLS Pipe

    Number:HR220524

    Issue Date:2022-05-23

    Expiry Date:2025-05-24

    Scope/Range:ASTM A269 Seamless Tube

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC ASTM A270 BA&400 GRIT FINISH TP304L

    Number:HR220530

    Issue Date:2022-05-20

    Expiry Date:2025-05-21

    Scope/Range:ASTM A270 Welded tube TP304L

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC ASTM A588/A 588M STEEL PLATE MILL FINISH S55J2

    Number:HR220021

    Issue Date:2022-09-02

    Expiry Date:2025-09-03

    Scope/Range:ASTM A588/A 588M STEEL PLATE

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC ASTM A576 Gr.1035 STEEL PLATE MILL FINISH MAT2100

    Number:HR222521

    Issue Date:2022-09-03

    Expiry Date:2025-09-04

    Scope/Range:ASTM A576 Gr.1035 STEEL PLATE

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC GB/T24186-2009 NM400 PLATE BLACK SURFACE

    Number:HR221130

    Issue Date:2022-09-01

    Expiry Date:2025-09-02

    Scope/Range:GB/T24186-2009 NM400 PLATE

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC QB CCO PLATE 1/4''+1/4. 6+4 MILL FINISH

    Number:HR226011

    Issue Date:2022-12-02

    Expiry Date:2025-12-03

    Scope/Range:QB CCO PLATE 1/4''+1/4. 6+4

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC ASTM A270 SMS SS304 CONCENTRIC REDUCER MIRROR POLISH

    Number:HR230108

    Issue Date:2023-01-07

    Expiry Date:2026-01-08

    Scope/Range:ASTM A270 SMS SS304 CONCENTRIC REDUCER

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC ASTM A403 SS316L MIRROR SURFACE

    Number:HR220701

    Issue Date:2022-08-03

    Expiry Date:2025-08-04

    Scope/Range:ASTM A403 SS316L

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC ASTM A270 WELD FLANGE SS316L MIRROR FINISH

    Number:HR220702

    Issue Date:2022-08-03

    Expiry Date:2025-08-04

    Scope/Range:ASTM A270 KF LONGNECK WELD FLANGE 1.5'' SS316L

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC ASTM A351 SMS SS304 SANITARY BUTTERFLY VALVE BRIGHT FINISH

    Number:HR230106

    Issue Date:2023-01-06

    Expiry Date:2026-01-07

    Scope/Range:ASTM A351 SMS SS304 SANITARY BUTTERFLY VALVE

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC ASTM A276 ROUND BAR SS310S BRIGHT FINISH

    Number:HR230006

    Issue Date:2023-02-20

    Expiry Date:2026-02-21

    Scope/Range:ASTM A276 ROUND BAR SS310S

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC T 30*30-1786 DIN EN10055 4MM S235JR MILL FINISH

    Number:HR220029

    Issue Date:2022-09-01

    Expiry Date:2025-09-02

    Scope/Range:T 30*30-1786 DIN EN10055 4MM

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC GB/T24511-2017&ASTM A240M-2020a PLATE AISI 321

    Number:HR229045

    Issue Date:2022-09-01

    Expiry Date:2025-09-02

    Scope/Range:GB/T24511-2017&ASTM A240M-2020a PLATE AISI 321

  • HAINER STEEL INDUSTRIAL CO.,LIMITED

    Standard:MTC GB /T 24511-2017 &ASTM A240M -2020a SS PLATES

    Number:HR229519

    Issue Date:2023-01-13

    Expiry Date:2026-01-14

    Scope/Range:GB /T 24511-2017 &ASTM A240M -2020a SS PLATES

Contact Details
HAINER STEEL INDUSTRIAL CO.,LIMITED

Contact Person: Mr. Mark Fuel

Tel: 86-577-8607-7653

Fax: 86-577-8607-7653

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