Zhengzhou Huitong Pipeline Equipment Co.,Ltd.
| Payment Terms | Western Union, L/C, T/T |
| Supply Ability | 10000 pcs/quarter |
| Delivery Time | 30 days |
| Packaging Details | wooden case or wooden pallet |
| Type1 | Alloy 31 WN flange |
| Type2 | Alloy 31 blind flange |
| Type3 | Alloy 31 SW flange |
| Type4 | Alloy 31 SO flange |
| Brand Name | HT |
| Model Number | Alloy 31 SO flange |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | Western Union, L/C, T/T | Supply Ability | 10000 pcs/quarter |
| Delivery Time | 30 days | Packaging Details | wooden case or wooden pallet |
| Type1 | Alloy 31 WN flange | Type2 | Alloy 31 blind flange |
| Type3 | Alloy 31 SW flange | Type4 | Alloy 31 SO flange |
| Brand Name | HT | Model Number | Alloy 31 SO flange |
| Certification | ISO9001 | Place of Origin | China |
• Alloy 31 is a nickel, chromium and molybdenum stainless steel with nitrogen and copper additions. It combines moderate tensile strength and high ductility with excellent corrosion resistance in sulfuric acid, reducing and oxidizing media and has strong resistance to corrosion and erosion corrosion in phosphoric environment.
• Typically the alloy has PREN of ≥ 48, which ensure that the resistance to pitting corrosion is high.
| WEIGHT% | C | SI | MN | S | P | CR | NI | MO | N | CU |
| MIN. | 26,0 | 30,0 | 6,0 | 0,15 | 1,0 | |||||
| MAX. | 0,015 | 0,3 | 2,00 | 0,010 | 0,020 | 28,0 | 32,0 | 7,0 | 0,25 | 1,4 |
Typical applications: Pulp and paper industry, flue gas desulphurization – FGD – systems, sea water heat exchangers, petroleum production and refining industry, mining industry – ore processing…
| YIELD STRENGTH RP0.2 MPA | TENSILE STRENGTH RM MPA | ELONGATION [%] | HARDNESS [HB] | IMPACT CHARPY-V, -196ºC [J] | PRE |
| ≥ 276 | ≥ 650 | ≥ 40 | ≥ 140 | ≥ 48 |
Solution annealing at min 1150°C followed by water quenching.
Very good.
| DESCRIPTION | KG/PLATE |
| 3 X 2000 X 8000 MM | 408 |
| 5 X 2000 X 8000 MM | 680 |
We can provide Alloy 31 material in the form of flange, plates, round bars.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1978
Total Annual:
100000-500000
Employee Number:
51~100
Ecer Certification：
Active Member
Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fitti... Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fitti...
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