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Système d'échappement automatique STKM11A
$1750.00
≥1 Ton
$1700.00
≥50 Ton
| Model No. : | JIS G3445 |
|---|---|
| Brand Name : | Torich |
| standard : | Gb,Astm,Jis,Din,Api |
Ningbo, Zhejiang, China
- Distributeur grossiste
- Fabricant
- Service
- Société de commerce
- Service OEM
- Fournisseur or
- Certification de plate-forme
- Expo en ligne
- Vidéo
Description du produit
Système d'échappement automatique STKM11A Tube en acier soudé
1.Details:
| application |
Automobile and motorcycle Shock Absorber Pipe Hydraulic-cylinder Pipe Mechanical steel pipes for auto and motor parts Gas Spring pipe motor casing pipe |
| size |
length--2~12m WT--2~5mm OD--10-20mm |
| material | STKM11A |
| Production process | ordinary high-frequency welded pipe |
| Advantages | small diameter and thick wall |
| Surface Quality | The internal and external surfaces of the steel tube are not allowed to have cracks, scabs, folds, delaminations, laps, and burns. Allows for scribes, scratches, misalignment of welds, burns, oxide scales, and external burr removal traces that are not more than a negative wall thickness deviation |
| Inspection items |
chemical composition Tensile test Ultrasonic examination Eddy current flaw detection Bending test Flattening test |
2.P Tolérance ermable du diamètre extérieur et de l'épaisseur de la paroi (mm)
| Type of steel Tube | Dimension of steel tube | Permissible tolerance | ||
| Average class | High class | |||
|
Hot-rolled (extruded and expanded) tube |
Outer diameter D | All |
±1% (min.+/-0.50) |
- |
| Wall thickness | All |
+15%/-12.5% (min.+4.5/-4.0) |
- | |
| Cold-drawn (cold-rolled) tube | Outer diameter D | 6~10 | ±0.2 | ±0.15 |
| >10~30 | ±0.40 | ±0.20 | ||
| >30~50 | ±0.45 | ±0.30 | ||
| >50 | ±1% | ±0.8% | ||
| Wall thickness | <1 | ±0.15 | ±0.12 | |
| >1~3 |
+15% -10% |
+12.5% -10% |
||
| >3 |
+12.5% -10% |
±10% | ||
| Note: For hot-expanded tubes with outer diameter>35mm,the permissible tolerance of wall thickness is±18%. | ||||
3. Propriétés mécaniques du longitudinal des tubes en acier
| NO. | Steel Grade | Tensile Strength(Mpa) | Yield point(Mpa) | Elongation after breaking(%) | |
| s<16 | s>16 | ||||
| Not less than | |||||
| 1 | 10 | 335~475 | 205 | 195 | 24 |
| 2 | 20 | 410~550 | 245 | 235 | 20 |
| 3 | Q295 | 430~610 | 295 | 285 | 22 |
| 4 | Q345 | 490~665 | 325 | 315 | 21 |
4.PPRIGNEMENTS DE L'ANALYSE DE PRODUIT par rapport aux limites spécifiées:
| Element | Limiting values for cast analysis | Permissible deviatioon of the product analysis in % by mass |
| C | ≤0.22 | +0.02 |
| Si | ≤0.55 | +0.05 |
| Mn | ≤1.60 | +0.10 |
| P | ≤0.025 | +0.005 |
| S | ≤0.015 | +0.003 |
| Al | ≥0.025 | -0.005 |
5.Salsification:
Ningbo, Zhejiang, China
- Distributeur grossiste
- Fabricant
- Service
- Société de commerce
- Service OEM
- Fournisseur or
- Certification de plate-forme
- Expo en ligne
- Vidéo
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