TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability | 60000 Ton/Tons per Year |
| Delivery Time | 20-30days upon products |
| Packaging Details | In bundles or in wooden boxes. |
| Tensile strength | 410-550 MPa |
| Wall thickness | 0.5-50 mm |
| Length | 1-12 m |
| Yield strength | ≥245 MPa |
| Material | non-alloy carbon steel |
| Elongation | ≥24% |
| Tube form | Omega / special shaped seamless tube |
| Outside diameter | 5-420 mm |
| Brand Name | TORICH |
| Model Number | 20G Non Alloy Seamless Special Steel Pipe |
| Certification | ISO9001 ISO 14001 TS16949 |
| Place of Origin | Zhejiang/China |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Supply Ability | 60000 Ton/Tons per Year |
| Delivery Time | 20-30days upon products | Packaging Details | In bundles or in wooden boxes. |
| Tensile strength | 410-550 MPa | Wall thickness | 0.5-50 mm |
| Length | 1-12 m | Yield strength | ≥245 MPa |
| Material | non-alloy carbon steel | Elongation | ≥24% |
| Tube form | Omega / special shaped seamless tube | Outside diameter | 5-420 mm |
| Brand Name | TORICH | Model Number | 20G Non Alloy Seamless Special Steel Pipe |
| Certification | ISO9001 ISO 14001 TS16949 | Place of Origin | Zhejiang/China |
| High Light | high carbon steel tube ，heat exchanger tubes | ||
20G non-alloy seamless omega tube is a cold-drawn special-profile boiler tube developed for high-temperature pressure service where dimensional stability, heat-transfer efficiency, and shape consistency are critical. The base material is 20G under GB/T 5310, a recognized boiler-tube steel used for high-pressure boiler and other elevated-temperature pressure equipment.
| Material | 20G non-alloy carbon steel |
| Standard | GB/T 5310 for high-pressure boiler seamless steel tubes |
| Comparable grades | ASTM A192, ASTM A210 Gr.A1, EN 10216-2 P235GH, JIS G 3461 STB340 |
| Tube form | Omega / special shaped seamless tube |
| Outside size range | Equivalent blank tube OD 5-420 mm; shaped section produced according to drawing |
| Wall thickness | 0.5-50 mm |
| Length | 1-12 m, customizable |
| Tolerance range | To drawing; cold-drawn process selected for tighter dimensional control |
| Straightness | By agreement / according to drawing requirement |
| Surface condition | Pickled, oiled, bright annealed, or normalized clean surface, depending on order |
| Heat treatment | Normally normalized for 20G; final condition according to applicable standard and drawing |
| Manufacturing route | Seamless tube → cold drawing / cold forming to omega profile → heat treatment → dimensional calibration → inspection |
| Supply condition | Bundles or custom packing |
| GB | GB/T 5310 - seamless steel tubes for high-pressure boiler |
| ASTM / ASME | ASTM A192 / ASME SA-192 - seamless carbon steel boiler and superheater tubes; ASTM A210 / ASME SA-210 - seamless medium-carbon steel boiler and superheater tubes |
| EN | EN 10216-2 - seamless steel tubes for elevated-temperature service |
| JIS | JIS G 3461 - carbon steel boiler and heat exchanger tubes |
Power-station boiler heat-exchange coil using omega-profile water-wall / superheater tube modules. The omega section helps optimize compact heat-transfer layout while retaining seamless pressure-bearing tube integrity.
| Grade | Standard | C (%) | Si (%) | Mn (%) | P (%) | S (%) |
|---|---|---|---|---|---|---|
| 20G | GB/T 5310 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | ≤0.025 | ≤0.015 |
| 20 | GB/T 3087 | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 |
| ASTM A192 | ASTM A192 / ASME SA-192 | max 0.06 | -- | 0.27-0.63 | ≤0.035 | ≤0.035 |
| ASTM A210 Gr.A1 | ASTM A210 / ASME SA-210 | ≤0.27 | ≥0.10 | ≤0.93 | ≤0.035 | ≤0.035 |
| P235GH | EN 10216-2 | ≤0.16 | ≤0.35 | 0.40-1.20 | ≤0.025 | ≤0.015 |
| Grade | Standard | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|---|
| 20G | GB/T 5310 | 410-550 | ≥245 | ≥24 |
| 20 | GB/T 3087 | 410-550 | ≥245 | ≥24 |
| ASTM A192 | ASTM A192 / ASME SA-192 | ≥325 | ≥180 | ≥35 |
| ASTM A210 Gr.A1 | ASTM A210 / ASME SA-210 | ≥415 | ≥225 | ≥30 |
| P235GH | EN 10216-2 | 360-500 | ≥235 | ≥25 |
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
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