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 | ASTM A182 F347 WN flange |
| Type2 | ASTM A182 F347 blind flange |
| Type3 | ASTM A182 F347 SW flange |
| Type4 | ASTM A182 F347 SO flange |
| Brand Name | HT |
| Model Number | ASTM A182 F347 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 | ASTM A182 F347 WN flange | Type2 | ASTM A182 F347 blind flange |
| Type3 | ASTM A182 F347 SW flange | Type4 | ASTM A182 F347 SO flange |
| Brand Name | HT | Model Number | ASTM A182 F347 SO flange |
| Certification | ISO9001 | Place of Origin | China |
Type 347 stainless steel has slightly improved corrosion resistance over type 321 stainless steel in strongly oxidizing environments. Type 347 is stabilized with columbium, it is preferable for aqueous and low temperature environments due to its good resistance to intergranular attack. Both 347 and 321 offer good resistance to polythionic acid stress corrosion cracking, encountered in oil refineries. The high temperature oxidation resistance of 347 is similar to that of 304 stainless steel. Useful to 1500°F.
Often in many product forms, the grain size and carbon content can meet both the 347S and 347H requirements. Appropriate weld fillers are AWS ER347 bare wire and E347 covered electrodes.
| Cr | Ni | Cb + Ta | C | Si | Mn | P | S | Fe | |
| MIN | 17.0 | 9.0 | Cb 10xc (Cb 8xC) | 0.04 | - | - | - | - | |
| MAX | 19.0 | 13.0 | 1.0 | 0.08 | 0.75 | 2.0 | 0.045 | 0.03 | Balance |
347 Coil, 347 Plate, 347 Round Bar, 347 Sheet, 347 Weld Wire
347H, 347 Stainless
· Good creep strength up to 1500°F
· Maintains good corrosion resistance in applications where the temperature is between 800°F and 1500°F.
· Good resistance to intergranular corrosion in the as welded condition.
· Oil Refineries
· Fluid catalytic cracking units (FCC)
· Hanger rods
· Recuperator tube sheets, shell, supports
· Especially where temperatures exceed 550°F and resistance to sulfidation is needed
· Fired heater tubes
· Distributor trays and thermowells
· Equipment in and around reactors (good resistance to polythionic acid)
Density: 0.286 lb/inch3
Melting Point: 2550 - 2635°F
| Temperature, °F | 70 | 212 | 932 |
| Coefficient* of Thermal Expansion, in/in°F x 10-6 | - | 9.2 | - |
| Thermal Conductivity Btu • ft/ft2 • hr • °F | - | 112.5 | 147.7 |
| Modulus of Elasticity, Dynamic psi x 106 | 28 | - | - |
* 70°F to indicated temperature.
Minimum Specified Properties, ASTM A 240
Typical Tensile and Impact Properties
| Temperature, °F | 68 | 400 | 800 | 1000 | 1200 | 1350 | 1500 |
| Ultimate Tensile Strength, ksi | 93.3 | 73.6 | 69.5 | 63.5 | 52.3 | 39.3 | 26.4 |
| 0.2% Yield Strength, ksi | 36.5 | 36.6 | 29.7 | 27.4 | 24.5 | 22.8 | 18.6 |
We can provide 347 material in the form of flange, fittings, pipes, fasteners.
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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