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Home ProductsPrecision Seamless Steel Tube

JIS G3445 DIN2391 High precision stainless steel tubing for Automobile

Good quality Stainless Steel Pipe Fitting for sales
Good quality Stainless Steel Pipe Fitting for sales
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JIS G3445 DIN2391 High precision stainless steel tubing for Automobile

China JIS G3445 DIN2391 High precision stainless steel tubing for Automobile supplier
JIS G3445 DIN2391 High precision stainless steel tubing for Automobile supplier JIS G3445 DIN2391 High precision stainless steel tubing for Automobile supplier

Large Image :  JIS G3445 DIN2391 High precision stainless steel tubing for Automobile

Product Details:

Place of Origin: China
Brand Name: Cosco Steel
Certification: ISO,SGS,CQC,etc.
Model Number: STKM11A,STKM12A ,STKM12B ,STKM12C ,STKM13A ,STKM13B ,STKM13C ,STKM14A ,STKM14B ,STKM14C

Payment & Shipping Terms:

Minimum Order Quantity: 500Kgs/ one size
Price: Negotiation
Packaging Details: Plastic bag in bundle,Wooden box,etc.
Delivery Time: 25-30 days
Payment Terms: T/T, L/C at sight
Supply Ability: 600Tons/Month
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Detailed Product Description
Outside Diameter: 4mm-90mm Steel Grade: Carbon Steels,alloy Steels
Wall Thickness: 1mm-10mm Pipe Standard: ASTM , DIN, GB, EN, JIS Etc
Usage: Bicycle,motorcycle,automobile Etc Tolerance: OD+/- 0.05, WT: +/-5%*S, Or By Agreement
Technique: Cold Drawn Surface Treatment: Galvanized

 

JIS G3445 DIN2391 High precision stainless steel tubing for Automobile

 

 

Description:

  1. Product Item No.: 004Precision-Cosco Steel
  2. OD:6-80mm, WT:1-10mm, Length: 3000mm or 6000mm/pc
  3. Tolerances: OD+/- 0.05, WT: +/-5%*S, or by agreement
  4. Steel Grade: St30Al, St35, St37, St37.4, St44, St45, St52.4, E195, E235, E255, E355
  5. Delivery conditions: BK, BKS, BKW, NBK, GBK
  6. Tube ends: tubes are delivered with plain ends without burrs at the ends of the tube. Upon request, ends could be plugged with plastic caps
  7. Testing : Testing is performed in accordance with corresponding standards or by agreement
    • flattening test , drift expanding test, flaring test, bending test
    • mechanical properties test 
    • NDT for detection of transverse imperfections and wall imperfections
  8. Packing and Protective coating:
    Finished tubes are heat treated in protetive atmosphere, and light oiled, packed in round or hexagonal bundles with weight max.2000 kg. Other possibilities by agreement
  9. Marking: Registered logo,Heat Number,Steel Grade,Standard,Size
  10. H.S Code: 7304.9000
  11. Material: A/SA179, A/SA192,

           20Cr / AISI5120/ Scr420/ 20Cr4; 30CrMo/ AISI4130/ SCM430/ 25CrMo4

           40Cr/ AISI5140/ Scr440/ 41Cr

           ST35/ 1.0308; ST37.4/1.0255;ST45/1.0408 etc.

 

Standard: 

American Standard ASTM A106, ASTM A519, ASTM A513,ASTM A179

Germany Standard DIN2391, DIN2445

Japanese Standard JIS G3445 etc

European Standard EN10305

 

 

Applications: 

 

We,this type seamless steel pipe be widely used in kinds of industries:

  1. Bicycle spindle, hub, carriage, handle of children cart
  2. Automobile oil duct, oil, duct connector, shock absorb-er,sun visor,level joy stick
  3. Sports equipment,electric roller
  4. Sewing machine, medical equipment

 

 

Specifications

 

Standard:JIS G3445
USES:Applicable to machinery, automobile, bicycle, furniture, appliances and other mechanical parts with carbon steel pipe

 

The main production steel grades:
STKM11A, STKM12 (A, B, C), STKM13 (A, B, C), STKM14 (A, B, C)

 

Standard   Chemical Composition(%)
Steel Grade C Si Mn P S
JIS G3445 STKM11A      ≤0.12 ≤0.35 ≤0.60 ≤0.040 ≤0.040
STKM12A ≤0.20 ≤0.35 ≤0.6 ≤0.040 ≤0.040
STKM12B   
STKM12C
STKM13A ≤0.25 ≤0.35 0.30-0.90 ≤0.040 ≤0.040
STKM13B
STKM13C
STKM14A ≤0.30 ≤0.35 0.30-1.00 ≤0.040 ≤0.040
STKM14B  
STKM14C

 

 

    Mechanical Properties
Steel Grade (Mpa)Tensile Strength (Mpa)Yield Strength (%)Elongation
JIS G3445 STKM11A      ≥295   ≥35
STKM12A ≥345 ≥175 ≥35
STKM12B    ≥390 ≥275 ≥25
STKM12C ≥470 ≥355 ≥20
STKM13A ≥375 ≥215 ≥30
STKM13B ≥440 ≥305 ≥20
STKM13C ≥510 ≥380 ≥15
STKM14A ≥410 ≥245 ≥25
STKM14B   ≥500 ≥355 ≥15
STKM14C ≥550 ≥410 ≥15

 

Process 

 

 

JIS G3445 DIN2391 High precision stainless steel tubing for Automobile

 

 

Our advantage

 

We owned special equipment for manufacturing various high precision products

  1. High-precision cold drawing unit
  2. Bright annealing oven
  3. Straighter
  4. 100% UT inspection if buyer requested
  5. 100% ET inspection if buyer requested

JIS G3445 DIN2391 High precision stainless steel tubing for Automobile

JIS G3445 DIN2391 High precision stainless steel tubing for Automobile

Contact Details
HAINER STEEL INDUSTRIAL CO.,LTD

Contact Person: Mr. Mark Fuel

Tel: 86-577-8895-9737

Fax: 86-577-8895-9771

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