NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD
| Payment Terms | T/T |
| Supply Ability | 3000 tons/month |
| Delivery Time | 45 days |
| Packaging Details | Bundles Package, Wooden Box Package |
| Product Name | GOST 8645-68 Steel Pipe |
| Delivery Condition | Cold Worked, Annealed |
| OD Size | 6-168mm |
| WT Size | 1-20mm |
| Steel Material | Steel 10, 20, 35, 45, 10Mn2, |
| Process | Cold Drawn,welded |
| Application | Structural tubes,Mechanical tubing |
| Standard: | GOST8645-68 GOST 8639 |
| Brand Name | New Era |
| Model Number | Gost 8733 / Gost 8734 |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 3000 tons/month |
| Delivery Time | 45 days | Packaging Details | Bundles Package, Wooden Box Package |
| Product Name | GOST 8645-68 Steel Pipe | Delivery Condition | Cold Worked, Annealed |
| OD Size | 6-168mm | WT Size | 1-20mm |
| Steel Material | Steel 10, 20, 35, 45, 10Mn2, | Process | Cold Drawn,welded |
| Application | Structural tubes,Mechanical tubing | Standard: | GOST8645-68 GOST 8639 |
| Brand Name | New Era | Model Number | Gost 8733 / Gost 8734 |
| Certification | ISO9001 | Place of Origin | China |
| High Light | Seamless Rectangular Steel Tubing ，GOST 8645-68 Steel Pipe | ||
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.
Company Details
Business Type:
Manufacturer
Year Established:
1988
Total Annual:
100000000-15000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Zhejiang New Era Steel Tube Technology Co., Ltd is one of the best seamless steel tube products manufacturer and exporter in china. Our main products include cold drawn and cold rolled seamless steel tubes .We can manufacture non-standard and special application tubes, also according to the int... Zhejiang New Era Steel Tube Technology Co., Ltd is one of the best seamless steel tube products manufacturer and exporter in china. Our main products include cold drawn and cold rolled seamless steel tubes .We can manufacture non-standard and special application tubes, also according to the int...
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