TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 40000 Ton/Year |
| Delivery Time | 45 days |
| Packaging Details | Packing in wooden box，hexagonal bundles or other seaworthy ways. |
| Product Name | TORICH GB/T 24187 Cold-Drawn Precision Single Welded Steel Tubes |
| Material | C Si Mn P S |
| Surface | Oiled |
| Application | Condenser, evaporator, cooler tube fuel pipe of refrigeration、automobile and electric appliance industrial |
| Shape | Round |
| OD | 3.18-18mm |
| WT | 0.3-1.3mm |
| Length | 1.5-4m |
| Brand Name | TORICH |
| Model Number | GB/T 24187 |
| Certification | ISO 9001 ISO 14001 TS 16949 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 40000 Ton/Year |
| Delivery Time | 45 days | Packaging Details | Packing in wooden box，hexagonal bundles or other seaworthy ways. |
| Product Name | TORICH GB/T 24187 Cold-Drawn Precision Single Welded Steel Tubes | Material | C Si Mn P S |
| Surface | Oiled | Application | Condenser, evaporator, cooler tube fuel pipe of refrigeration、automobile and electric appliance industrial |
| Shape | Round | OD | 3.18-18mm |
| WT | 0.3-1.3mm | Length | 1.5-4m |
| Brand Name | TORICH | Model Number | GB/T 24187 |
| Certification | ISO 9001 ISO 14001 TS 16949 | Place of Origin | China |
| High Light | precision seamless pipe ，precision pipes and tubes | ||
TORICH GB/T 24187 Cold-Drawn Precision Single Welded Steel Tubes
Spec:
Material:C Si Mn P S
Size Range:OD:3.18-18mm
WT:0.3-1.3mm
General Length:1.5-4m
Tolerance:
According to the following tables or customers’ request.
Table 1 Outer diameter, wall thickness and theoretical weight
| OD/mm | WT/mm | |||||||||
| 0.30 | 0.40 | 0.50 | 0.60 | 0.65 | 0.70 | 0.80 | 0.90 | 1.00 | 1.30 | |
| theoretical weight /(kg/m) | ||||||||||
| 3.18 | 0.0213 | 0.0274 | 0.0330 | |||||||
| 4.00 | 0.0274 | 0.0355 | 0.0432 | 0.0503 | ||||||
| 4.76 | 0.0330 | 0.0430 | 0.0525 | 0.0616 | 0.0659 | 0.0701 | ||||
| 5.00 | 0.0348 | 0.0454 | 0.0555 | 0.0651 | 0.0697 | 0.0742 | ||||
| 6.00 | 0.0422 | 0.0552 | 0.0678 | 0.0799 | 0.0858 | 0.0915 | 0.1026 | 0.1132 | 0.1233 | |
| 6.35 | 0.0448 | 0.0587 | 0.0721 | 0.0851 | 0.0914 | 0.0975 | 0.1095 | 0.1210 | 0.1319 | |
| 7.94 | 0.0565 | 0.0744 | 0.0917 | 0.1086 | 0.1169 | 0.1250 | 0.1409 | 0.1563 | 0.1712 | 0.2129 |
| 8.00 | 0.0570 | 0.0750 | 0.0925 | 0.1095 | 0.1178 | 0.1260 | 0.1421 | 0.1576 | 0.1726 | 0.2148 |
| 9.53 | 0.0683 | 0.0901 | 0.1113 | 0.1321 | 0.1423 | 0.1524 | 0.1722 | 0.1915 | 0.2104 | 0.2639 |
| 10.00 | 0.0718 | 0.0947 | 0.1171 | 0.1391 | 0.1499 | 0.1605 | 0.1815 | 0.2020 | 0.2220 | 0.2789 |
| 12.00 | 0.0866 | 0.1144 | 0.1418 | 0.1687 | 0.1819 | 0.1951 | 0.2210 | 0.2464 | 0.2713 | 0.3430 |
| 12.70 | 0.0917 | 0.1213 | 0.1504 | 0.1790 | 0.1932 | 0.2072 | 0.2348 | 0.2619 | 0.2885 | 0.3655 |
| 14.00 | 0.1014 | 0.1342 | 0.1665 | 0.1983 | 0.2140 | 0.2296 | 0.2604 | 0.2908 | 0.3206 | 0.4072 |
| 15.88 | 0.1153 | 0.1527 | 0.1896 | 0.2261 | 0.2441 | 0.2621 | 0.2975 | 0.3325 | 0.3670 | 0.4674 |
| 16.00 | 0.1162 | 0.1539 | 0.1911 | 0.2279 | 0.2461 | 0.2641 | 0.3000 | 0.3352 | 0.3699 | 0.4713 |
| 18.00 | 0.1310 | 0.1736 | 0.2158 | 0.2575 | 0.2781 | 0.2987 | 0.3393 | 0.3795 | 0.4192 | 0.5354 |
| Theoretical weight of no additional coating, density of steel is 7.85 kg/ | ||||||||||
Table2 Allowable deviation of outer diameter of steel pipe
| Outer diameter | Common precision | High precision |
| ＜4.76 | ±0.08 | ±0.05 |
| 4.76-8.00 | ±0.12 | ±0.07 |
| ＞8.00-12.00 | ±0.16 | ±0.10 |
| ＞12.00 | ±0.20 | ±0.12 |
Table 3 Permissible deviation of steel tube wall thickness
| Wall thickness | Permissible deviation |
| ＜0.70 | ±0.05 |
| ≥0.70 | ±0.07 |
Table 4 Allowable deviation of specified length of steel pipe
| Length | Allowable deviation |
| ≤2000 | +4 0 |
| ＞2000-5000 | +7 0 |
| ＞5000-8000 | +10 0 |
TABLE 5 Chemical Composition Of Steel Strip (Mass Fraction)%
| Category | C | Si | Mn | P | S |
| Cold rolled low carbon steel strip | ≤0.08 | ≤0.03 | ≤0.30 | ≤0.030 | ≤0.030 |
| Cold rolled ultra low carbon steel strip | ≤0.008 | ≤0.03 | ≤0.25 | ≤0.020 | ≤0.030 |
TABLE 6 Mechanical Properties Of Cold Rolled Low Carbon Steel Strip
| Thickness /mm | Tensile Strength
| Yield Strength
| Elongation A/% |
| 0.25~＜0.35 | ≥270 | ≥32 | |
| 0.35~＜0.50 | ≥34 | ||
| ≥0.50 | ≥36 | ||
| a Replace with b Sample type of sample number D14 in GB/T 228-2002. | |||
TABLE 7 Mechanical Properties Of Cold Rolled Ultra-low Carbon Steel Strip
| Thickness /mm | Tensile Strength
| Yield Strength
| Elongation A/% |
| ≤0.50 | ≥280 | 130~250 | ≥38 |
| ＞0.50 | ≥40 | ||
| a Replace with b Sample type of sample number P14 in GB/T 228-2002. | |||
TABLE 8 Mechanical properties of steel pipe
| Category | Tensile Strength
| Yield Strength
| Elongation A/% |
| Ordinary steel pipe(MA) | ≥270 | ≥180 | ≥14 |
| Soft steel tube(MB) | ≥230 | 150~220 | ≥35 |
| a Replace with b Sample type of sample number S7 in GB/T 228-2002. | |||
Characteristic:
TORICH QUALITY ASSURANCE
Good surface quality
Good OD and ID tolerance controlled to Technical Standard
Stable quality
100% Eddy Current Test
Processing:W-H W-C
Widely used in the field of:Condenser, evaporator, cooler tube fuel pipe of refrigeration,automobile and electric appliance industrial
Product Images:
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
Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ... Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ...
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