JIS G3445 DIN2391 High precision stainless steel tubing for Automobile

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)

Process 

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