Cold Deformed Seamless Rectangular Steel Tubing
Brand Name:New Era
Certification:ISO9001
Model Number:Gost 8733 / Gost 8734
Minimum Order Quantity:1 tons
Delivery Time:45 days
Payment Terms:T/T
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Address:
No.101 Shijing East Road, Tudian Town, Tongxiang, China
Supplier`s last login times:
within 29 hours
Product Details
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Product Details
GOST 8645-68 (rectangular, seamless cold-deformed pipes).
Materials:Steel 35,Steel45,Steel10,Steel 20,etc
Sizes of square pipes have to confirm the values indicated in the table below:
| Size A, mm | Size B, mm | Wall thickness s, mm | Section square, cm2 | Weight of1 mpipe, kg, | Inertia moment, cm4= | Resistance moment, cm3= | ||
| Ix | Iy | Wx | Wy | |||||
| 90 | 60 | 5 | 13.57 | 10.65 | 75.04 | 142.8 | 25.01 | 31.75 |
| 120 | 80 | 8 | 28.34 | 22.25 | 268.4 | 514.5 | 67.11 | 85.76 |
Steel density 7/85 g/cm3
| Mechanical composition | ||||
| Steel grade | Tensile strength, N/mm2 (min) | Yield strength, N/mm2 (min) | Elongation, % (min) | Hardness HB (≤) |
| 10 | 333 | 206 | 26 | 137 |
| 20 | 412 | 245 | 23 | 156 |
| 15Cr5Mo | 392 | 216 | 22 | 170 |
| 12Cr8 | 392 | 216 | 22 | 170 |
| 10Mn2 | 412 | 245 | 21 | 197 |
Pipe static characteristic is calculated for R=1,5
Pipes length & limit deviations should correspond to GOST 8639.
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 or Cold Rolling, On line inspection
5. Heat Treatment:+SR, +A, +N
6. Straightening/Cutting to specified length/Finished Measuring
Inspection
7. Quality Testing in own lab with Tensile Strength, Yield
Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.
100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.
FAQ:
1. Can you provide a sample to check the quality?
We can provide free sample with same or similar sizes for you to
check tube quality.
You need to in charge of Express costs.
2. How about your production capacity?
3000 tons/Month.
3. What are your terms of payment?
30%TT in advance, Balance to be paid before shipment.
4. Where is your factory?
Jiaxing city, 2 hours away from Shanghai.
5. How can I get the quotation A.S.A.P?
Please send us an inquiry with full details as following,quotation
will sent to you A.S.A.P:
1). Tube Standard
2). Steel Grade
3). Tube Size and Size Tolerance
4). Tube length
5). Quantity
6). If any special requirements
6. How about the minimum order quantity?
Normally for one size above 1 ton.
Welcome to contact us! Thanks.
Cold Deformed Seamless Rectangular Steel Tubing
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