Q345B ST52 Shaft Triangular Shape Carbon Steel Tube and Pipe
product name |
Cold Drawn Special-shaped carbon Steel Tube |
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Matrial |
10# 20# Grade A,B,C,D Carbon Steel |
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Size |
OD: 12-1200mm WT: 1-22mm Length: Customer's Requirement |
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length |
5.8~6m |
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Application:
Shaped seamless steel tubes are widely used in various structural parts, tools and mechanical parts. Compared with round tubes, shaped tubes generally have larger moments of inertia and section modulus, and have greater resistance to bending and torsion, which can greatly reduce the structural weight and save steel.
Steel grade:
ASTM: 1020, 1026, 1045
JIS: S20C, S45C, STKM 11A, STKM 16A, STKM 17A
EN: 1.1151, 1.0503, 1.0580, 1.0308, 1.0408
DIN:ST35, ST45, ST52
BS:E235, E275, E355
Shape:Round, square, rectangular, triangle, hexagonal, oval and other special sections.
Outside Diameter range: 8mm-114mm
Tolerance of OD:+/-0.20mm
Wall Thickness range: 1mm-25mm
Tolerance of WT: +/-0.12mm
Straightness: ≤2.0mm/m
Special shaped tubes process:Steel bar→ punched→ heat treatment→ acid pickling→ cold drawn→ stress relieved→ dimension inspection→ package
Delivery condition:Cold drawn only, Normalized, Stress relieved
Surface condition: Bright, Smooth, Black
Hexagonal tube with inner hole

Hexagonal tube with inner hole
Packaging Details:
1. Small OD: In hexagonal bundle with steel strips
2. Large OD: In bulk
3. Wrapped in waterproof plastic woven bag
4. Filled in wooden cases
5. As required
Delivery Detail:Shipped in 7-15 days after payment


QUALITY CONTROL:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.



Special-shaped pipe

Special-shaped Tube

Special-shaped carbon Steel Tube

Special-shaped carbon Steel Tube



packing

packing

Hui Yuan is a trading company established based on Liaocheng Development Zone Jinyun Steel Pipe Co., Ltd. The factory has more than ten years of professional production experience .Now we have cold rolled seamless steel pipe 12 production lines and hot rolled seamless steel pipe 1 production line,one more hot rolled seamless steel pipe production line is under construction
Our main products are listed as follows: Hot Rolled steel pipe, Precision Cold Rolled steel pipe, Cold Drawn steel pipe, alloy steel pipe, bearing steel pipe, spiral pipe, galvanized pipe,Honed tube,special shape steel pipe.etc.
Our company adheres to the business philosophy of exceeding customer expectations and fulfilling employees' dreams, and keeps making progress to provide customers with reliable products and services.
Our products have been exported to Germany, South Korea, Russia, Malaysia, Pakistan, Thailand, India, Ukraine and other countries and regions. We sincerely welcome friends from all over the world to contact us and establish mutually beneficial business relations.

WeChat WhatsApp:8613863528632
skype:claudia826645
claudia


hot rolled steel pipe

cold rolled steel pipe
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