TORICH INTERNATIONAL LIMITED
| 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 |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, |
| Supply Ability | 40000 Ton/Year |
| Delivery Time | 45 days |
| Packaging Details | Packing in wooden box，hexagonal bundles or other seaworthy ways. |
| 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
| 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 |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, | Supply Ability | 40000 Ton/Year |
| Delivery Time | 45 days | Packaging Details | Packing in wooden box，hexagonal bundles or other seaworthy ways. |
| 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
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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