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,SS316L |
| Shape | Equal,,Union,Reducing,Round |
| Connection | Welding,Weld |
| Technics | Forged,Socket Weld |
| Surface treatment | Solution Treatment,Polishing,Acid Pickling,rust-proof oil |
| Type | Elbow,Cross,Coupling,Tee, Cap, Plug |
| Brand Name | ZZ |
| Model Number | 1/8''-4'' |
| 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,SS316L | Shape | Equal,,Union,Reducing,Round |
| Connection | Welding,Weld | Technics | Forged,Socket Weld |
| Surface treatment | Solution Treatment,Polishing,Acid Pickling,rust-proof oil | Type | Elbow,Cross,Coupling,Tee, Cap, Plug |
| Brand Name | ZZ | Model Number | 1/8''-4'' |
| Certification | API/CE/ISO/TUV/ABS | Place of Origin | CHINA |
| High Light | weld on pipe fittings ，socket weld tube fittings | ||
Stainless Steel 316 Socket Weld Pipe Fittings ASME B16.11 White Steel
Stainless steel 316 socket weld pipe fittings is a one type of forged fittings,which have better corrision resistant than SS304. It is used for small bore pipes and piping systems. Socket weld fittings are manufactured by forging and machining solid steel and are available in a multitude of shapes like elbows, tees, crosses, unions, caps,couplings.
Markings on Socket Weld Pipe Fittings
Specification of Stainless Steel Socket Weld Fittings
| Specification | ASTM A182 & ASME SA182/ ANSI/ASME B16.11 / MSS-SP-43/79/83 |
| Type | Socket Weld Fittings |
| Size Range | 1/8" NB to 4"NB in Class 3000lb, 6000lb, 9000lb |
| Type | Stainless Steel Socket Weld Elbow, Tee, Cross, Coupling, Cap, Lateral Tee, Union |
| Grades | ASTM A182 F304/304L/304H, F316/316L/316H, F321/321H, F347/347H, F51, F53, F55, F56, F60 |
Standard for Stainless Steel Socket Weld Pipe Fittings
ASME B16.11
This Standard covers ratings, dimensions, tolerances, marking and material requirements for socket-welding and Threaded Forged Fittings.
ASTM A182 / A182M
Standard Specification for Forged Fittings, and Parts for High-Temperature Service
MSS SP-83
Class 3000 and 6000 Pipe Unions, Socket Welding and Threaded
MSS SP-95
This Standard Practice covers dimensions, finish, tolerances, marking, and material for carbon steel and alloy steel Swaged Nipples (male end reducing fittings), NPS 1/4 through NPS 12 and Bull Plugs (hollow or solid male closures) NPS 1/8 through NPS 12.
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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