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[China]
Trade Verify
Address: Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Contact name:Richard SHEN
TORICH INTERNATIONAL LIMITED |
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Verified Suppliers
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Product Description:
OD: 6-813 mm
WT: 0.5-100mm
Length: 1-12m
Material: 10#, 20#, 45#, 16Mn, Q195, Q235, Q345
Delivery condition:
- Fine Grain Steel: Steel having an austenitic/ferritc grain size
equal to or finer than 6 when measured in accordance with
EURONORM103
- Normalizing Rolling: A rolling process in which the final deformation is carried out in a certain temperature range leading to a material condition equivalent to that obtained after normalizing so that the specified values of the mechanical properties are retained even after normalizing (+N)
- As Rolled: Formed after heating into the austenitic region without subsequent heat treament (+AR)
- Annealing: Heat treatment at a temperature slightly below AC1 (+A)
- TH Treatment: Heat treatment with the object of achieving a hardness within a specified range (+TH)
- FP Treatment: Heat treatment with the object of producing a ferritic and pearlitic structure and achieving a hardness within a specified range (+PH)
- Employer: Organization for which the person works on a regular basis
Product Picture:
Chemical Composition for tubes made of non-alloy special steel in % by mass:
| Steel Grade | C | Si | Mn | P | S | ||||
| Steel name | Steel number | min | max | min | max | min | max | max | max |
| C22E | 1.1151 | 0.17 | 0.24 | - | 0.40 | 0.40 | 0.70 | 0.035 | 0.035 |
| C35E | 1.1181 | 0.32 | 0.39 | - | 0.40 | 0.50 | 0.80 | 0.035 | 0.035 |
| C45E | 1.1191 | 0.42 | 0.50 | - | 0.40 | 0.50 | 0.80 | 0.035 | 0.035 |
| C60E | 1.1221 | 0.57 | 0.65 | - | 0.40 | 0.60 | 0.90 | 0.035 | 0.035 |
| 38Mn6 | 1.1127 | 0.34 | 0.42 | 0.15 | 0.35 | 1.40 | 1.65 | 0.035 | 0.035 |
Chemical Composition for tubes made from alloy special steel in % by mass:
| Steel Grade | C | Si | Mn | P | S | Cr | Mo | Ni | ||||||
| Steel name | Steel number | min | max | min | min | max | max | max | min | max | min | max | min | max |
| 41Cr4 | 1.7035 | 0.38 | 0.45 | 0.40 | 0.60 | 0.90 | 0.035 | 0.035 | 0.90 | 1.20 | - | - | - | - |
| 25CrMo4 | 1.7218 | 0.22 | 0.29 | 0.40 | 0.60 | 0.90 | 0.035 | 0.035 | 0.90 | 1.20 | 0.15 | 0.30 | - | - |
| 30CrMo4 | 1.7216 | 0.27 | 0.34 | 0.35 | 0.35 | 0.60 | 0.035 | 0.035 | 0.80 | 1.15 | 0.15 | 0.30 | - | - |
| 34CrMo4 | 1.7220 | 0.30 | 0.37 | 0.40 | 0.60 | 0.90 | 0.035 | 0.035 | 0.90 | 1.20 | 0.15 | 0.30 | - | - |
| 42CrMo4 | 1.7225 | 0.38 | 0.45 | 0.40 | 0.60 | 0.90 | 0.035 | 0.035 | 0.90 | 1.20 | 0.15 | 0.30 | - | - |
| 36CrNiMo4 | 1.6511 | 0.32 | 0.40 | 0.40 | 0.50 | 0.80 | 0.035 | 0.035 | 0.90 | 1.20 | 0.15 | 0.30 | 0.90 | 1.20 |
| 30CrNiMo8 | 1.6580 | 0.26 | 0.34 | 0.40 | 0.30 | 0.60 | 0.035 | 0.035 | 0.80 | 2.220 | 0.30 | 0.50 | 1.80 | 2.20 |
| 41NiCrMo7-3-2 | 1.6563 | 0.38 | 0.44 | 0.30 | 0.60 | 0.90 | 0.025 | 0.025 | 0.70 | 0.90 | 0.15 | 0.30 | 1.65 | 2.00 |
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.
A: A professional steel pipes materials inventor, manufacturer and solution provider
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.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30%
T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us
