ASTM A312 TP347H Stainless Steel Seamless Pipe For High Temperature
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:ASTM A312 TP347H
Minimum Order Quantity:1000KGS
Delivery Time:Depends on quantity
Payment Terms:T/T, L/C
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ASTM A312 TP347H Stainless Steel Seamless Pipe For High Temperature
What is material TP347H?
ASTM A312 Gr Tp347h is an austenitic stainless steel. It has chromium and nickel content which give it the corrosion resistant properties. For extra toughness, the A312 347h material has higher carbon content.
We are the professional exporter and supplier of ASTM A312 TP347H Seamless Stainless Steel Pipe,SA 312 TP347H pipe,ASTM A312 TP347 Seamless Stainless Steel Pipe.
A312 TP347H pipe is mainly used where corrosion resistance and
sustained operations at temperatures between 800°F and 1500°F
(427°C ~ 816°C) is of the utmost importance. It is also a superior
grade for use on heavy welded objects, which cannot be re-annealed.
As a higher grade from AISI 321H, the intergranular corrosion of 347H is achieved through the use of niobium (Nb) as a stabilizing element to maximize this feature. SS 347 has a good mechanical properties welding performance, excellent resistance to intergranular corrosion.
Basic features of SS347H
(1) High high temperature strength and high temperature plasticity
(2) Excellent oxidation resistance and corrosion resistance
(3) Good structural stability
(4) Uniform chemical composition
(5) Good processing and welding performance
(6) High dimensional accuracy and surface quality
Chemical Composition:
| Grade | UNS | C | Mn | P | S | Si | Cr | Ni | |
| TP347H | S34709 | 0.04-0.10 | ≤2.00 | ≤0.045 | ≤0.030 | ≤1.00 | 17.0-19.0 | 9.00-13.00 | |
Mechanical Properties:
| Grade | Tensile Strengtd ksi (MPa) min | Yield Strengtd 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:
| 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 |
ASTM A312 TP347H Stainless Steel Equivalent Material:
| ASTM | UNS NO. | KOREA/JAPAN | GERMAN | BRITISH | |||||||
| STAND ARD | KS/JIS Symbol | KS/JIS Numbe | Remarks | DIN Type | DIN Number | Materiral Number | Remarks | B.S Number | B.S Grade | Remarks | |
| TP 347H | S34709 | 316HTP | D3576 / G3459 | -16 | X5 CrNiNb 18 9 | 1.4543 | (3b) | 3605 | 347HS18 | ||
Applications:
-Food processing equipment, particularly in beer brewing, milk
processing & wine making
-Kitchen benches, sinks, troughs, equipment and
appliancesArchitectural panelling, railings & trim
-Chemical containers, including for transport
-Heat Exchangers
-Woven or welded screens for mining, quarrying & water
filtration
-Threaded fasteners
-Springs
ASTM A312 TP347H Stainless Steel Seamless Pipe For High Temperature
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