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| Categories | Precision Steel Tube |
|---|---|
| Brand Name: | Torich |
| Model Number: | GB/T3639 |
| Certification: | CE,ISO |
| Place of Origin: | China |
| MOQ: | 1 ton |
| Price: | Negotiated |
| Payment Terms: | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability: | 100 tons per month |
| Delivery Time: | 35-45 work days |
| Packaging Details: | Packing in bundles with woven bags to avoid rust by sea |
| Name: | GB/T 3639 Precision Steel Tube 10# Q345B Cold Drawn Automotive Parts Pipe |
| Grade: | 10#,20#,45#,Q345B |
| Production method: | Cold Drawn Seamless/Cold Rolled Seamless |
| Type: | Carbon steel |
| Company Info. |
| TORICH INTERNATIONAL LIMITED |
| Verified Supplier |
| View Contact Details |
| Product List |
GB/T 3639 Precision Steel Tube 10# Q345B Cold Drawn Automotive Parts Pipe
1.Introduction of precision steel tube:
Material/grade: 10#,20#,35#45#,Q345B
Heat treatment:
+C: cold condition(Hard)
+LC: Cold condition (Light)
+SR: Stress relieved
+N: Normalized
+A: Annealed
Surface control: No scale, no debris
Production method: cold drawn seamless/ cold rolled seamless
Usage/ application: Automotive accessoried, hydraulic industry, mechanical structure
Delivery days: 35-40 days after receivingthe 30% deposit
MOQ: 1 ton
2. Mechanical analysis of GB/T 3639 Precision Steel Tube manufacturer's pipe :
Rm:Tensile strength
ReH: Yield strength
A:Elongnation
| Delivery condition | ||||||||||||
| Material | +C | +LC | +SR | +A | +N | |||||||
| Rm /MPa | A/% | Rm /MPa | A/% | Rm /MPa | ReH/MPa | A/% | Rm /MPa | A/% | Rm /MPa | ReH/MPa | A/% | |
| 10# | 430 | 8 | 380 | 10 | 400 | 300 | 16 | 335 | 24 | 320-450 | 215 | 27 |
| 20# | 550 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440-570 | 255 | 21 |
| 35# | 590 | 5 | 550 | 7 | - | - | - | 510 | 17 | ≥460 | 280 | 21 |
| 45# | 645 | 4 | 630 | 6 | - | - | - | 590 | 14 | ≥540 | 340 | 18 |
| Q345B | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490-630 | 355 | 22 |
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 own labs with Tensile Strength, Yield
Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
3.Precision steel tube manufacturer's product display:
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and
solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is
30-60 days if the goods are not in stock, it is according to
quantity.
Q: Do you provide samples of carbon seamless steel tube ? is it
free or extra ?
A: Yes, we could offer the sample for free charge but need pay the
cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30%
T/T in advance ,balance before shippment.
Q:Do you have agent or distributor in our country?
A:We are recruiting area agent and distributor all over the world,
welcome to send us your mail or call us for detail discussion.
Q:How is your production capability?
A:1.2000 tons monthly production capacity, 5000 tons monthly
trading capability
2.Prompt and Timely shipment
Q:How to get the sample?
A:1.You are requested to pay for sample charges and courier charges
from China to your country; and the free sample is according the
product like size, steel grade and quantity, please consult our
sales for details
2.Sample charges will be refunded when order is placed
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 own labs with Tensile Strength, Yield
Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
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