TORICH INTERNATIONAL LIMITED
| Keyword | Automotive Steel Tubes |
| Grade | STH11 STH12 STH21 STH 22 STH31 |
| OD | 5mm-420mm |
| WT | 0.5mm-50mm |
| Length | max12000mm |
| Technique | Cold Drawn Seamless |
| Application | For Automotive Steel Tubes |
| Delivery Condition | Hot Finished ,Cold Finished |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, |
| Supply Ability | 2000Tons per Year |
| Delivery Time | 30-45 work days |
| Packaging Details | Tubes are packed in wooden boxes or hexagonal bundles in seaworthy packing. |
| Brand Name | TORICH |
| Model Number | JIS G3429 |
| Certification | ISO9001, ISO14001, TS16949 |
| Place of Origin | ZHEJIANG, CHINA |
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Product Specification
| Keyword | Automotive Steel Tubes | Grade | STH11 STH12 STH21 STH 22 STH31 |
| OD | 5mm-420mm | WT | 0.5mm-50mm |
| Length | max12000mm | Technique | Cold Drawn Seamless |
| Application | For Automotive Steel Tubes | Delivery Condition | Hot Finished ,Cold Finished |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, | Supply Ability | 2000Tons per Year |
| Delivery Time | 30-45 work days | Packaging Details | Tubes are packed in wooden boxes or hexagonal bundles in seaworthy packing. |
| Brand Name | TORICH | Model Number | JIS G3429 |
| Certification | ISO9001, ISO14001, TS16949 | Place of Origin | ZHEJIANG, CHINA |
| High Light | low carbon steel tube ，low carbon steel pipe | ||
| Standard | JIS G 3429 Seamless Steel Tubes for Automotive Steel Tubes |
| Key Word | High Pressure Gas Cylinder Tube |
| Material | STH11 STH12 STH21 STH 22 STH31 Manganese,Chrome-molybdenum ,Nickel-molybdenum |
| Size | OD: 5-420mm; WT: 0.5-50mm; Length: max12000mm |
| Technique | Cold Drawn Seamless |
| Application | For Automotive Steel Tubes |
| Manufacturing | The tubes are manufactured by a seamless process |
| Delivery condition | Hot Finished ,Cold Finished |
Chemical Requirement
| Steel Grade | Class | C | Si | Mn | P | S | Ni | Cr | Mo |
| STH11 | Manganese Steel tube | 0.50max | 0.10-0.35 | 1.80max | 0.035max | 0.035max | - | - | - |
| STH12 | 0.30-0.41 | 0.10-0.35 | 1.35-1.70 | 0.030max | 0.030max | - | - | - | |
| STH21 | Chrome-molybdenum steel tube | 0.25-0.35 | 0.15-0.35 | 0.40-0.90 | 0.030max | 0.030max | 0.25max | 0.80-1.20 | 0.15-0.30 |
| STH22 | 0.33-0.38 | 0.15-0.35 | 0.40-0.90 | 0.030max | 0.030max | 0.25max | 0.80-1.20 | 0.15-0.30 | |
| STH31 | Nickel-molybdenum Steel tube | 0.35-0.40 | 0.10-0.50 | 1.20-1.50 | 0.030max | 0.030max | 0.50-1.00 | 0.30-0.60 | 0.15-0.25 |
Dimensional Tolerances
| OD% | WT% | Tolerance Allowance % | L |
| ±1 | ＋30 0 | 20 max | ＋30 mm |
| Note: the tolerance is not available for WT＜5.6mm tubes | |||
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.
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.
If you have another question, pls feel free to contact us
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
25000000-30000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat... Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat...
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