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Model No. : | EN10305-2 E355 |
---|---|
Brand Name : | ليغتني |
Type : | Welded |
Ningbo, Zhejiang, China
وصف المنتج
الأنبوب الفولاذي المدلفن على البارد المسحوب على البارد
Carbon Tube Information | |
Name | EN10305-2 E355 Cold Drawn Welded Steel Tube for Telescopic Cylinder |
Out Diameter | 30-250mm |
Wall Thickness | 2-30mm |
Material | A53, A106, ST52, E355, STKM11A, STK,13A, CK45, S45C |
Delivery Condition | Cold Drawn/Cold Rolled/Honed/Stress Relieved |
Delivery Time | within 45 days after receiving prepayment |
Trade Term | FOB, CIF, CFR or as client's request |
Payment Term | TT, LC, or as client's request |
التسامح المسموح به للقطر الخارجي وسماكة الجدار (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%. |
الخواص الميكانيكية الطولية للأنابيب الفولاذية
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 |
Ningbo, Zhejiang, China
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