
YB/T 4674 Q235 Special Shaped Welded Pipe Precision Special Steel Pipe For Automobile
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
Minimum Order Quantity : | 0.5Ton | Price : | negotiable |
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Packaging Details : | Packing in bundles or wooden box | Delivery Time : | 30 days |
Payment Terms : | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability : | 20000 Ton/Year |
Place of Origin: | Zhejiang, China | Brand Name: | TORICH |
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Certification: | ISO 9001 ISO 14001 TS16949 | Model Number: | GB/T 3094 |
Detail Information |
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Material: | 10# 20# 45# Q235 Q345 | Shape: | Special Shape Can Be Produced By Customer's Request |
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Type: | Special Shaped Steel Tubes | Usage: | Structural, Tool And Machinery Parts |
Surface: | With Anti Rust Protection | OD: | 4-1200mm |
WT: | 0.3-200mm | Length: | 1.5-9m |
High Light: | alloy steel seamless pipe,structural steel square tubing |
Product Description
Steel Grade:
10#/ 20#/ 35#/ 45#/ Q195/ Q215/ Q235/ Q295/ Q345/ Q390
Application:
Used in structural parts, tool and machinery parts
Production method:
Cold drawn
Tube Type:
Seamless tube according to the Chinese standard GB/T 3094, or welded tube according to customers' request
Tolerance:
According to the following tables, or according to customers’ request.
Tolerance for the width | |||
Size(mm) | Tolerance(mm) | ||
General | High Grade | ||
Width A / B | ≤30 | ±0.30 | ±0.20 |
>30-50 | ±0.40 | ±0.30 | |
>50-75 |
±0.80%A ±0.80%B |
±0.70%A ±0.70%B |
|
>75 |
±1%A ±1%B |
±0.8%A ±0.8%B |
Tolerance for wall thickness | |||
Size(mm) | Tolerance(mm) | ||
General | High Grade | ||
Width A / B | ≤1.0 | ±0.18 | ±0.12 |
>1.0-3.0 |
+15% WT -10% WT |
+12.5% WT -10% WT |
|
>3.0 |
+12.5% WT -10% WT |
±10% WT |
Edge bumpiness for the Tube:
According to the following tables, or according to customers’ request.
Edge bumpiness | |||
Size(mm) | Tolerance(mm) | ||
General | High Grade | ||
Width A / B | ≤30 | 0.20 | 0.10 |
>30-50 | 0.30 | 0.15 | |
>50-75 | 0.80% | 0.50% | |
>75 | 0.90% | 0.60% |
Bending:
For General tube, the bending should be ≤4.0mm/m, and the total straightness should be ≤0.4%.
For High Grade tube, the bending should be ≤2.0mm/m, and the total straightness should be ≤0.2%.
Mechanical Property:
Steel Grade |
Tensile Strength MPa |
Yield Strength MPa |
Elongation % |
No less than | |||
10 | 335 | 205 | 24 |
20 | 390 | 245 | 20 |
35 | 510 | 305 | 17 |
45 | 590 | 335 | 14 |
Q195 | 315 | 195 | 22 |
Q215 | 335 | 215 | 22 |
Q235 | 375 | 235 | 20 |
Q295 | 430 | 295 | 22 |
Q345 | 510 | 345 | 21 |
Q390 | 530 | 390 | 18 |
Shape of ends:
Both ends of the pipe should be cut to a complete end surface perpendicular to the axis and burs shall be removed from the ends.
Delivery condition:
Cold Drawn, heat treatment is also acceptable.
Product Images:
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