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 | GB/T 18984 Seamless Steel Tubes for Low-Temperature Service Piping |
| Material | 16MnDG , 10MnDG , 09DG |
| Surface | Oiled |
| Application | Low temperature heat exchanger |
| Shape | Round |
| OD | 4-1200mm |
| WT | 0.3-200mm |
| Length | 4-12m |
| Brand Name | TORICH |
| Model Number | GB/T 18984 |
| 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 | GB/T 18984 Seamless Steel Tubes for Low-Temperature Service Piping | Material | 16MnDG , 10MnDG , 09DG |
| Surface | Oiled | Application | Low temperature heat exchanger |
| Shape | Round | OD | 4-1200mm |
| WT | 0.3-200mm | Length | 4-12m |
| Brand Name | TORICH | Model Number | GB/T 18984 |
| Certification | ISO 9001 ISO 14001 TS 16949 | Place of Origin | China |
| High Light | carbon steel tube ，high carbon steel tube | ||
GB/T 18984 Seamless Steel Tubes for Low-Temperature Service Piping
Spec:
Material:16MnDG , 10MnDG , 09DG
Size Range:OD:4-1200mm
WT:0.3-200mm
General Length:4-12m
Tolerance:
According to the following tables or customers’ request.
Permissible deviation tolerance of OD and WT
| Classfication | Steel size | Permissible tolerance | |
| W-H | OD | ＜351 | ±1.0%D |
| ≥351 | ±1.25%D | ||
| WT | ≤25 | ±12.5%S | |
| W-C | OD | ≤30 | ±0.20 |
| ＞30~50 | ±0.30 | ||
| ＞50 | ±0.75%D | ||
| WT | ≤3 | ＋12.5%S -10%S | |
| ＞3 | ±10%S | ||
Steel grade and chemical composition
| Steel grade | Chemical composition/% | |||||||
| C | Si | Mn | P | S | Ni | Mo | V | |
| 16MnDG | 0.12~0.20 | 0.20~0.55 | 1.20~1.60 | ≤0.025 | ≤0.025 | — | — | — |
| 10MnDG | ≤0.13 | 0.17~0.37 | ≤1.35 | ≤0.025 | ≤0.025 | — | — | ≤0.07 |
| 09DG | ≤0.12 | 0.17~0.37 | ≤0.95 | ≤0.025 | ≤0.025 | — | — | ≤0.07 |
| 09Mn2VDG | ≤0.12 | 0.17~0.37 | ≤1.85 | ≤0.025 | ≤0.025 | — | — | ≤0.12 |
| 06Ni3MoDG | ≤0.08 | 0.17~0.37 | ≤0.85 | ≤0.025 | ≤0.025 | — | — | ≤0.05 |
Longitudinal mechanical properties of steel tubes
| Steel grade | Tensile strength
MPa | Lower yield strength Rp0.2/MPa | Elongation A/％ | |||
| S≤16mm | S＞16mm | Sample 1 | Sample 2 | Sample 3 | ||
| 16MnDG | 490~665 | ≥325 | ≥315 | ≥30 | ||
| 10MnDG | ≥400 | ≥240 | ≥35 | |||
| 09DG | ≥385 | ≥210 | ≥30 | |||
| 09Mn2VDG | ≥450 | ≥300 | ≥30 | |||
| 06Ni3MoDG | ≥455 | ≥250 | ≥30 | |||
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
Technical Delivery Conditions:Nomalizing
Widely used in the field of:Low temperature heat exchanger
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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