GNEE is a leading manufacturer and supplier of 347H stainless steel pipe, plate, and bar in China. With over 18 years of stainless steel manufacturing experience and over 20,000 tons of annual exports, GNEE has earned widespread acclaim from overseas customers.
We offer: EN 1.4961 stainless steel pipe, UNS S34709 stainless steel plate, 347H seamless stainless steel pipe, 347H welded stainless steel pipe, 347H hot-rolled/cold-rolled stainless steel plate, polished 347H stainless steel pipe, brushed 347H stainless steel plate, and annealed 347H stainless steel bar. We also provide precision cutting, bending, welding, polishing, annealing, and custom fabrication services.
347H stainless steel tube is a stabilized austenitic stainless steel round or seamless tube with heat and corrosion resistance, making it an ideal choice for high-temperature applications in the oil, gas, and power industries.
347H stainless steel plate is a flat, polished, or brushed sheet made of austenitic stainless steel. It is easily formable, weldable, and corrosion-resistant, making it an ideal choice for heat exchangers and high-temperature applications in the chemical and aerospace industries.
347H stainless steel rod, available in round, square, or hexagonal rod forms, is heat-resistant, corrosion-resistant, and machinable, making it suitable for precision parts in the aerospace, automotive, and power industries.
AISI 347H Stainless Steel Specifications
| Standard |
ASME SA240, ASME SA276, ASME SA312, ASTM A240, ASTM A276, ASTM A312, EN 10216-5, JIS G4303 |
|---|---|
| Grade |
S34709, SUS347H, X7CrNiNb18-10 (1.4912), Z2CND17-11, Z2CND18-13, Z8CNNb18-10 |
| Length |
1000mm – 12000mm (39.37in – 472.44in), Customized |
| Sheet's Width |
1000mm – 2000mm (39.37in – 78.74in), Customized |
| Diameter |
Bar: 5mm – 200mm(0.20in – 7.87in), Customized, Pipe's OD: 6mm – 610mm(0.24in – 24in) |
| Thickness |
Customized, Pipe's WT: 0.5mm – 30mm(0.02in – 1.18in), Sheet: 0.3mm – 50mm(0.012in – 1.97in) |
| Shape |
Bar: Sqaure, Rectangular(Flat), Hexagonal, Customized, Pipe: Round, Square and Rectangular |
| Surface Finish |
BA, Brushed, Customized, Matte, Passivated, Pickled, Polished, Sandblasted, Satin |
| Technique |
Cold Drawn, Customized, Extrusion, Forging, Heat Treatment, Hot Rolled, Cold Rolled, Welding |
| Form |
347 Stainless Steel Bar, 347 Stainless Steel Pipe, 347 Stainless Steel Sheet, 347H Stainless Steel Plate, 347H Stainless Steel Tubing, Bright 347H Stainless Steel Bar, Cold Rolled 347H Stainless Steel Sheet, Polished 347H Stainless Steel Pipe, Seamless 347H Stainless Steel Pipe |
Chemical Compositions
| Element | C | Mn | P | S | Si | Cr | Ni | Nb | N | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| Percentage | 0.04-0.10% | ≤2.00% | ≤0.045% | ≤0.030% | ≤0.75% | 17.0-19.0% | 9.0-13.0% | 8xC-1.00% | ≤0.10% | Balance |
Mechanical Properties
| Property | Pipe | Sheet | Bar |
|---|---|---|---|
| Tensile Strength | 515 – 700 MPa (74,700 – 101,500 psi) | 515 – 690 MPa (74,700 – 100,000 psi) | 515 – 690 MPa (74,700 – 100,000 psi) |
| Yield Strength | 205 – 275 MPa (29,700 – 39,900 psi) | 205 – 310 MPa (29,700 – 45,000 psi) | 205 – 310 MPa (29,700 – 45,000 psi) |
| Elongation | 35% min | 40% min | 35% min |
| Hardness (Brinell) | ≤ 201 HB | ≤ 201 HB | ≤ 201 HB |
| Hardness (Rockwell B) | ≤ 95 HRB | ≤ 95 HRB | ≤ 95 HRB |
| Hardness (Vickers) | 150 – 210 HV | 150 – 210 HV | 150 – 210 HV |
| Modulus of Elasticity | 193 – 200 GPa (28 – 29 x 10^6 psi) | 193 – 200 GPa (28 – 29 x 10^6 psi) | 193 – 200 GPa (28 – 29 x 10^6 psi) |
347H stainless steel pipe, sheet, and bar offer excellent heat resistance, corrosion resistance, and durability. .
Pipe: Best for high-strength, stable, and corrosion-resistant applications.
Sheet: Highly formable and low maintenance for versatile uses.
Bar: Easily machinable for precision components.
If you have a project need for 347 stainless steel, we welcome your order. GNEE has a large inventory of popular products for you to choose from. We process these products into a variety of practical product forms, including sheet, coil, tube, bar, and wire. For detailed chemical composition and free samples, please contact our factory today. We offer competitive pricing and excellent service.
