JIS G3445 DIN2391 High precision stainless steel tubing for Automobile
Description:
- ProductItemNo.:004Precision-CoscoSteel
- OD:6-80mm, WT:1-10mm,Length: 3000mm or 6000mm/pc
- Tolerances: OD+/- 0.05, WT: +/-5%*S, or by agreement
- Steel Grade: St30Al, St35, St37, St37.4, St44, St45, St52.4, E195, E235, E255, E355
- Delivery conditions: BK, BKS, BKW, NBK, GBK
- 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
- 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 - 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 - Marking:Registeredlogo,HeatNumber,SteelGrade,Standard,Size
- H.SCode:7304.9000
- Material:A/SA179,A/SA192,
20Cr/AISI5120/Scr420/20Cr4;30CrMo/AISI4130/SCM430/25CrMo4
40Cr/AISI5140/Scr440/41Cr
ST35/1.0308;ST37.4/1.0255;ST45/1.0408etc.
Standard:
AmericanStandardASTMA106,ASTMA519,ASTMA513,ASTMA179
GermanyStandardDIN2391,DIN2445
JapaneseStandardJISG3445etc
European Standard EN10305
Applications:
We,thistypeseamlesssteelpipebewidelyusedinkindsofindustries:
- Bicyclespindle,hub,carriage,handleofchildrencart
- Automobileoilduct,oil,ductconnector,shockabsorb-er,sunvisor,leveljoystick
- Sportsequipment,electricroller
- Sewingmachine,medicalequipment
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
Ouradvantage
Weownedspecialequipmentformanufacturingvarioushighprecisionproducts
- High-precisioncolddrawingunit
- Brightannealingoven
- Straighter
- 100%UTinspectionifbuyerrequested
- 100%ETinspectionifbuyerrequested
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JIS G3445 DIN2391 High precision stainless steel tubing for Automobile Images
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