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| Categories | Precision Steel Tube |
|---|---|
| Brand Name: | Torich |
| Model Number: | EN10305-1 |
| Certification: | ISO9001 TS16947 |
| Place of Origin: | China |
| MOQ: | 0.5tons |
| Price: | 2000USD/ton |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 5000tons per year |
| Delivery Time: | 5-8 week days |
| Packaging Details: | In bundles or in wooden boxes packaging |
| Material: | 1010，1020，1045 etc |
| Standard: | EN10305-1 |
| Length: | 12 m max |
| OD: | 6-121mm |
| WT: | 0.8-18mm |
| Application: | Auto Industry |
| Company Info. |
| TORICH INTERNATIONAL LIMITED |
| Verified Supplier |
| View Contact Details |
| Product List |
Torich SGS BV 1020 1035 1045 High tolerance seamless steel tubes /pipes for automotive components
Production Standard:
GB/T3639,ASTM A519,DIN2391,EN10305-1,EN10305-1,Customer's special requirement will be upon discussion
Size:
O.D. 6-121mm
W.T.0.8-18mm
The production process of high precision seamless steel pipe is the same as that of ordinary seamless pipes,
except that there is
an additional process of final pickling and cold rolling.
Precision steel pipe process
Tube blank--inspection--peeling--inspection--heating--piercing--pickling passivation--grinding--lubricating air-drying--
cold rolling--degreasing--cutting--inspection--marking- -Product packaging
Material of high precision seamless steel pipe:
10,20,35,45,4130,4140,St52,45 E355 etc.
Grade and Chemical Composition ( ％ )
| Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo |
| 1008 | ≤ 0.10 | 0.30-0.50 | 0.040 | 0.050 | - | - | - |
| 1010 | 0.08-0.13 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1018 | 0.15-0.20 | 0.60-0.90 | 0.040 | 0.050 | - | - | - |
| 1020 | 0.18-0.23 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1025 | 0.22-0.28 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1026 | 0.22-0.28 | 0.60-0.90 | 0.040 | 0.050 | - | - | - |
| 4130 | 0.28-0.33 | 0.40-0.60 | 0.040 | 0.040 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
| 4140 | 0.38-0.43 | 0.75-1.00 | 0.040 | 0.040 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
Delivery condition:
Cold drawn/hard +C
Cold drawn/soft+LC
Cold drawn and stress released:+SR
Normalizing:+N
Annealed:+A
Mechanical properties of high precision seamless steel pipe
| Grade | Condition | Tensile Point (Mpa) | Yield Point (Mpa) | Elongation |
| 1020 | CW | ≥ 414 | ≥ 483 | ≥ 5% |
| SR | ≥ 345 | ≥ 448 | ≥ 10% | |
| A | ≥ 193 | ≥ 331 | ≥ 30% | |
| N | ≥ 234 | ≥ 379 | ≥ 22% | |
| 1025 | CW | ≥ 448 | ≥ 517 | ≥ 5% |
| SR | ≥ 379 | ≥ 483 | ≥ 8% | |
| A | ≥ 207 | ≥ 365 | ≥ 25% | |
| N | ≥ 248 | ≥ 379 | ≥ 22% | |
| 4130 | SR | ≥ 586 | ≥ 724 | ≥ 10% |
| A | ≥ 379 | ≥ 517 | ≥ 30% | |
| N | ≥ 414 | ≥ 621 | ≥ 20% | |
| 4140 | SR | ≥ 689 | ≥ 855 | ≥ 10% |
| A | ≥ 414 | ≥ 552 | ≥ 25% | |
| N | ≥ 621 | ≥ 855 | ≥ 20% |
PS:
Precision steel pipe is a kind of high-precision steel pipe material processed by cold drawing or hot rolling.
Due to the advantages of no oxide layer on the inner and outer walls of the precision steel tube, no leakage
under high pressure, high precision, high finish, no deformation in cold bending, no flaring, no cracks in flattening,
etc., it is mainly used to produce products for pneumatic or hydraulic components, such as cylinders or The oil
cylinder can be a seamless pipe or a welded pipe.
The precision steel pipe has high dimensional accuracy and high surface finish, and there is no oxide film on the
inner and outer surfaces of the steel pipe after heat treatment. deal with.
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
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.
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