| Sign In | Join Free | My benadorassociates.com | 
 | 
| Categories | Seamless Steel Pipe | 
|---|---|
| Brand Name: | GNEE | 
| Model Number: | Seamless Steel Pipe | 
| Certification: | ISO 9001 | 
| Place of Origin: | Henan | 
| MOQ: | 3 ton | 
| Price: | Negotiable | 
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Supply Ability: | 2500 ton/tons per month | 
| Delivery Time: | 5-8 work days | 
| Packaging Details: | Standard Sea-worthy Packing | 
| Special Pipe: | API Pipe | 
| Thickness: | 5 - 16 mm | 
| Tolerance: | ±1% | 
| Certificate: | ISO9001 | 
| Surface Treatment: | Hot Rolled | 
| Outer Diameter: | 4.5 - 18 inch | 
| Company Info. | 
| Gnee Steel (tianjin) Co., Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Astm A312 Tp304 Stainless Steel Seamless Pipe Iso 9001 Certificate
Seamless steel pipes might naturally be more durable and reliable because there is no seam, but that level of strength might not be needed for the project. One of the finer points of engineering is using the correct amount of materials without wasting more money than is necessary. Seamless steel pipes might then be necessary for machinery, as the stronger steel lasts longer and is less susceptible to failure.
Composition ranges for 304 grade stainless steel
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304 | min. | - | - | - | - | - | 18.0 | - | 8.0 | - | 
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
| 304L | min. | - | - | - | - | - | 18.0 | - | 8.0 | - | 
| max. | 0.030 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 12.0 | 0.10 | ||
| 304H | min. | 0.04 | - | - | - | - | 18.0 | - | 8.0 | - | 
| max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | |||
Mechanical properties of 304 grade stainless steel
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 304 | 515 | 205 | 40 | 92 | 201 | 
| 304L | 485 | 170 | 40 | 92 | 201 | 
| 304H | 515 | 205 | 40 | 92 | 201 | 
| 304H also has a requirement for a grain size of ASTM No 7 or coarser. | |||||
"Quality assurance, customer first" is our consistent business philosophy, and our company will continue to provide every customer with quality products at low prices, as well as efficient and quality services! Let customers really feel our sincerity!

|   | 
 Grade P22 Astm A355 Chrome Moly Alloy Seamless Steel Pipe 16mo3
                                                                                    
                        
                        
                        
                                                            Grade P22 Astm A355 Chrome Moly Alloy Seamless Steel Pipe 16mo3
                                                    
                        
                     Round Seamless Alloy 25mm Od Stainless Steel , ASTM A335 P22 Pipe
                                                                                    
                        
                        
                        
                                                            Round Seamless Alloy 25mm Od Stainless Steel , ASTM A335 P22 Pipe
                                                    
                        
                     Industrial P5 P9 P22 Seamless Steel Pipe ASTM Standard
                                                                                    
                        
                        
                        
                                                            Industrial P5 P9 P22 Seamless Steel Pipe ASTM Standard
                                                    
                        
                     High Strength Alloy Steel Astm A335 P11 Pipe For Construction
                                                                                    
                        
                        
                        
                                                            High Strength Alloy Steel Astm A335 P11 Pipe For Construction
                                                    
                        
                     Black Color Ferritic Seamless Steel Pipe Asme Sa213 T22 T91
                                                                                    
                        
                        
                        
                                                            Black Color Ferritic Seamless Steel Pipe Asme Sa213 T22 T91
                                                    
                        
                     Astm A335 Ferritic Seamless Alloy Steel Tubes For Heat  Exchangers
                                                                                    
                        
                        
                        
                                                            Astm A335 Ferritic Seamless Alloy Steel Tubes For Heat  Exchangers
                                                    
                        
                     Construcion Use Round Seamless Steel Pipe P2 P5 P9 P11 P12 P22 P91
                                                                                    
                        
                        
                        
                                                            Construcion Use Round Seamless Steel Pipe P2 P5 P9 P11 P12 P22 P91
                                                    
                        
                     ASME SA335 P11 P22 P91 Hot Rolled Seamless Steel Pipe ASTM A335
                                                                                    
                        
                        
                        
                                                            ASME SA335 P11 P22 P91 Hot Rolled Seamless Steel Pipe ASTM A335
                                                    
                        
                     P91 Seamless Steel Pipe
                                                                                    
                        
                        
                        
                                                            P91 Seamless Steel Pipe
                                                    
                        
                     Api 5l B Seamless Steel Pipe
                                                                                    
                        
                        
                        
                                                            Api 5l B Seamless Steel Pipe