SS 347/347H Pipes & Tubes is authentic for the usage in perpetual the applications, for instance, gas managing, petrochemicals industry, power age industry, heat exchanger drugs equipment, drug industry, seawater gear, planned gear, specialty Alloy industry, condensers, paper industry, around the ocean oil weakening industry, and squash industry as well. These lines are besides sensible in a piece of the general works like military applications, plane parts, shafts, siphons, food industry, home machines, rails, cranes, transportation, and vehicle parts as well.
SS 347/347H Pipes & Tubes are made with the warming and welding treatment for better execution in the cemented temperatures and conditions. These pies are unequivocally coordinated with layered exactness for use in the substance business and food industry too. These chambers are protected from the entire broad use like pitting disintegrating, impact decay, stress disintegrating, split stalling, and seawater rust. These lines and chambers need to go through a piece of the tests like the huge degree test, infinitesimal test, Alloy test, hardness test, mechanical test, hydrostatic test, radiography test, sending test, fixing test, PMI test, and ultrasonic test as well.
347/347H Stainless Steel Pipes and Tubes Equivalent Grades
| STANDARD | UNS | WNR. | EN | JIS | GOST | 
|---|---|---|---|---|---|
| SS 347 | S34700 | 1.4550 | X6CrNiNb18-10 | SUS 347 | 08Ch18N12B | 
| SS 347H | S34709 | 1.4961 | X6CrNiNb18-12 | SUS 347H | - | 
Specification of Stainless Steel 347/347H Seamless Welded Pipes And Tubes
 Stainless Steel Pipe Specification :  ASTM A312, A358 / ASME SA312, SA358
                                                 SS Tube Specification : ASTM A213, A269, A249, A511, A554 / ASME SA213, SA269, SA249, SA511, SA554
                                                 Pipe Size : 1/8” NB to 24” NB, 1/4” OD to 24” OD sizes.
                                                Tube Size : 1/2" OD to 8" OD.
                                                Thickness Range : 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
                                                Type : Seamless / ERW / Welded / Fabricated Pipes
                                                Form : Round, Square, Rectangular, Oval, Hydraulic Etc
                                                Length : Single Random, Double Random & Required Length
                                                End : Plain End, Beveled End, Treaded
                                                End Protection : Plastic Caps
                                                Outside Finish : 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements
                                                Delivery Condition : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
                                                Inspection, Test Reports : Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports
                                                Packing : Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
                                                Specials : Sizes and Specifications other than above can be manufactured on request
                                            
Chemical Alloyion of Stainless Steel 347/347H Seamless Pipes And Tubes
| Element | C | Cr | Mn | Ni | P | S | Si | Cb/Ta | 
|---|---|---|---|---|---|---|---|---|
| 347 | 0.08 max | 
                                                            min: 17.0 max: 20.0  | 
                                                        2.0 max | 
                                                            min: 9.0 max: 13.0  | 
                                                        0.04 max | 
                                                            0.30 max  | 
                                                        
                                                            0.75 max  | 
                                                        
                                                            min:10x C max: 1.0  | 
                                                    
| 347H | 
                                                            min: 0.04 max: 0.10  | 
                                                        
                                                            min: 17.0 max: 20.0  | 
                                                        2.0 max | min: 9.0 max: 13.0  | 
                                                        0.03 max | 0.30 max  | 
                                                        0.75 max  | 
                                                        min:10x C max: 1.0  | 
                                                    
Mechanical Properties Of Stainless Steel 347/347H Seamless Pipes and Tubes
| Grade | Tensile Strength ksi (MPa) min | Yield Strength 0.2% ksi offset ksi (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX | 
|---|---|---|---|---|---|
| 347/347H | 
                                                            75 (515)  | 
                                                        
                                                            30 (205)  | 
                                                        40 | 201 | 95 | 
Physical Properties of 347/347H Stainless Steel Pipes And Tubes
| Density lbm/in3  | 
                                                        Coefficient of Thermal Expansion (min/in)-°F  | 
                                                        Thermal Conductivity BTU/hr-ft-°F | Specific Heat BTU/lbm -°F | Modules of Elasticity (annealed)2-psi | |
|---|---|---|---|---|---|
| at 68 °F | at 68 – 212°F | at 68 – 1832°F | 68-932°F | at 32 – 212°F | in tension (E) | 
| 0.288 | 9.2 | 11.4 | 14.7 | 0.12 | 28 x 106 | 
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