ZIZI ENGINEERING CO.,LTD
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 100000 PCS / Month |
| Delivery Time | 7 working days or negotiation |
| Packaging Details | Wooden Cases and Pallaets, or as per customer demand |
| Material | Stainless Steel,SS304 SS316L |
| Shape | Equal,Equal/Reducer,Union,reducing,Round |
| Connection | Welding,Male,threaded,Female |
| Technics | Forged,Butt weld,Cold Forming,CNC |
| Surface treatment | Solution Treatment,Polishing,Acid Pickling,rust-proof oil |
| Type | Elbow,Cross,Coupling,Tee, Cap, Plug |
| Brand Name | ZZ |
| Model Number | 1/2''-80'' |
| Certification | API/CE/ISO/TUV/ABS |
| 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 | 100000 PCS / Month |
| Delivery Time | 7 working days or negotiation | Packaging Details | Wooden Cases and Pallaets, or as per customer demand |
| Material | Stainless Steel,SS304 SS316L | Shape | Equal,Equal/Reducer,Union,reducing,Round |
| Connection | Welding,Male,threaded,Female | Technics | Forged,Butt weld,Cold Forming,CNC |
| Surface treatment | Solution Treatment,Polishing,Acid Pickling,rust-proof oil | Type | Elbow,Cross,Coupling,Tee, Cap, Plug |
| Brand Name | ZZ | Model Number | 1/2''-80'' |
| Certification | API/CE/ISO/TUV/ABS | Place of Origin | CHINA |
| High Light | stainless steel tube fittings ，stainless steel stub ends | ||
stainless steel forged fittings Solution Treatment
ASTM A182 is the standard specification for forged alloy & stainless steel pipe flanges and fittings. The dimension are according to standard of ASME and materials chemical composition include carbon, manganese, phosphorus, silicon, nickel, chromium, molybdenum, columbium, titanium.
Markings on ASTM A182 Pipe Fittings & Flanges
Specification of Alloy & Stainless Steel Forged Fittings
| Specification | ASTM A182 & ASME SA182/ ANSI/ASME B16.11 / MSS-SP-43/79/83 |
| Type | Socket Weld Fittings / Threaded Fittings |
| Size Range | 1/8" NB to 4"NB in Class 2000lb, 3000lb, 6000lb, 9000lb |
| Thread Type | NPT, BSPP, BSPT, PT, G |
| Socket Weld Fittings | Stainless Steel Socket Weld Elbow, Tee, Cross, Coupling, Cap, Lateral Tee, Union |
| Threaded Pipe Fittings | Stainless Steel Threaded Elbow, Tee, Cross, Coupling, Cap, Nipple, Plug, Union |
| Grades | ASTM A182 F5, F9, F91, F11, F12, F22, F304/304L/304H, F316/316L/316H, F321/321H, F347/347H, F51, F53, F55, F56, F60 |
Specification of Forged Alloy & Stainless Steel Pipe Flanges
| Specification | ASTM A182 & ASME SA182/ ANSI/ASME B16.5 / B16.47 |
| Type | Weld Neck Flange, Threaded Flange, Socket Weld Flange, Slip-on Flange, Plate Flange, Lap Joint Flange, Spectacle Blind, Blind Flange, Spade & Spacer |
| Size Range | 1/2" NB to 24"NB |
| Pressure Rating | Class 150lb, 300lb, 600lb, 900lb, 1500lb, 2500lb |
| Grades | ASTM A182 F5, F9, F91, F11, F12, F22, F304/304L/304H, F316/316L/316H, F321/321H, F347/347H, F51, F53, F55, F56, F60 |
Forged Alloy Steel Grades
Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo |
| F5 | 0.15 | 0.5 | 0.3 - 0.6 | 0.03 | 0.03 | 4.0 - 6.0 | 0.5 | 0.44 - 0.65 |
| F9 | 0.15 | 0.5 - 1.0 | 0.3 - 0.6 | 0.03 | 0.03 | 8.0 - 10.0 | - | 0.9 - 1.1 |
| F91 | 0.08 - 0.12 | 0.2 - 0.5 | 0.3 - 0.6 | 0.02 | 0.01 | 8.0 - 9.5 | 0.4 | 0.85 - 1.05 |
| F11 CL1 | 0.05 - 0.15 | 0.5 - 1.0 | 0.3 - 0.6 | 0.03 | 0.03 | 1.0 - 1.5 | - | 0.44 - 0.65 |
| F11 CL2 | 0.1 - 0.2 | 0.5 - 1.0 | 0.3 - 0.8 | 0.04 | 0.04 | 1.0 - 1.5 | - | 0.44 - 0.65 |
| F11 CL3 | 0.1 - 0.2 | 0.5 - 1.0 | 0.3 - 0.8 | 0.04 | 0.04 | 1.0 - 1.5 | - | 0.44 - 0.65 |
| F12 CL1 | 0.05 - 0.15 | 0.5 | 0.3 - 0.6 | 0.045 | 0.045 | 0.8 - 1.25 | - | 0.44 - 0.65 |
| F12 CL2 | 0.1 - 0.2 | 0.1 - 0.6 | 0.3 - 0.6 | 0.04 | 0.04 | 0.8 - 1.25 | - | 0.44 - 0.65 |
| F22 CL1 | 0.05 - 0.15 | 0.5 | 0.3 - 0.6 | 0.04 | 0.04 | 2.0 - 2.5 | - | 0.87 - 1.13 |
| F22 CL3 | 0.05 - 0.15 | 0.5 | 0.3 - 0.6 | 0.04 | 0.04 | 2.0 - 2.5 | - | 0.87 - 1.13 |
Mechnical Properties
| Grade | Yield Tensile (Mpa) | Yield Tensile (Mpa) | Elongation (%) | Hardness (HB) |
| F5 | 485 | 275 | 20 | 143 - 217 |
| F9 | 585 | 380 | 20 | 179 - 217 |
| F91 | 585 | 415 | 20 | 248 |
| F11 CL1 | 415 | 205 | 20 | 121 - 174 |
| F11 CL2 | 485 | 275 | 20 | 143 - 207 |
| F11 CL3 | 515 | 310 | 20 | 156 - 207 |
| F12 CL1 | 415 | 220 | 20 | 121 - 174 |
| F12 CL2 | 485 | 275 | 20 | 170 |
| F22 CL1 | 415 | 205 | 20 | 170 |
| F22 CL3 | 515 | 310 | 20 | 156 - 207 |
Forged Stainless Steel Grades
Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo |
| F304 | 0.08 | 1.0 | 2.0 | 0.045 | 0.03 | 18.0 - 20.0 | 8.0 - 11.0 | - |
| F304H | 0.04 - 0.1 | 1.0 | 2.0 | 0.045 | 0.03 | 18.0 - 20.0 | 8.0 - 11.0 | - |
| F304L | 0.03 | 1.0 | 2.0 | 0.045 | 0.03 | 18.0 - 20.0 | 8.0 - 13.0 | - |
| F316 | 0.08 | 1.0 | 2.0 | 0.045 | 0.03 | 16.0 - 18.0 | 10.0 - 14.0 | 2.0 - 3.0 |
| F316H | 0.04 - 0.1 | 1.0 | 2.0 | 0.045 | 0.03 | 16.0 - 18.0 | 10.0 - 14.0 | 2.0 - 3.0 |
| F316L | 0.03 | 1.0 | 2.0 | 0.045 | 0.03 | 16.0 - 18.0 | 10.0 - 15.0 | 2.0 - 3.0 |
| F321 | 0.08 | 1.0 | 2.0 | 0.045 | 0.03 | 17.0 - 19.0 | 9.0 - 12.0 | - |
| F321H | 0.04 - 0.1 | 1.0 | 2.0 | 0.045 | 0.03 | 17.0 - 19.0 | 9.0 - 12.0 | - |
| F347 | 0.08 | 1.0 | 2.0 | 0.045 | 0.03 | 17.0 - 20.0 | 9.0 - 13.0 | - |
| F347H | 0.04 - 0.1 | 1.0 | 2.0 | 0.045 | 0.03 | 17.0 - 20.0 | 9.0 - 13.0 | - |
| F51 | 0.03 | 1.0 | 2.0 | 0.03 | 0.02 | 21.0 - 23.0 | 4.5 - 6.5 | 2.5 - 3.5 |
| F60 | 0.03 | 1.0 | 2.0 | 0.03 | 0.02 | 21.0 - 23.0 | 4.5 - 6.5 | 3.0 - 3.5 |
Mechnical Properties
| Grade | Yield Tensile (Mpa) | Yield Tensile (Mpa) | Elongation (%) | Hardness (HB) |
| F304 | 515 | 205 | 30 | - |
| F304H | 515 | 205 | 30 | - |
| F304L | 485 | 170 | 30 | - |
| F316 | 515 | 205 | 30 | - |
| F316H | 515 | 205 | 30 | - |
| F316L | 485 | 170 | 30 | - |
| F321 | 515 | 205 | 30 | - |
| F321H | 515 | 205 | 30 | - |
| F347 | 515 | 205 | 30 | - |
| F347H | 515 | 205 | 30 | - |
| F51 | 620 | 450 | 25 | - |
| F60 | 655 | 485 | 25 | - |
Product Features
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
2010
Total Annual:
3,000,000-5,000,000
Employee Number:
100~200
Ecer Certification：
Active Member
Zizi Engineering Co., Ltd is a leading industrial pipe fittings and flanges supplier for construction, petrochemical and oilfield customers. We engaged in the manufacture and export of industrial pipe fittings for 9 years, our products have been sold to 37 countries around the world. We have a mode... Zizi Engineering Co., Ltd is a leading industrial pipe fittings and flanges supplier for construction, petrochemical and oilfield customers. We engaged in the manufacture and export of industrial pipe fittings for 9 years, our products have been sold to 37 countries around the world. We have a mode...
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