ASTM A312 TP347H Stainless Steel Seamless Pipe
Name：ASTM A312 TP347H Stainless Steel Seamless Pipe
Certification：ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
Shape：round
Technique：Cold Rolled/Hot Rolled
Surface Treatment：Sanded /Mirror/Hairline Brushed
Thickness：0.3-30mm
out Diameter：8-219mm
Length：5.8/6m or Custom
Stock：in Stock
Sample：Available
Transport Package：Standard Sea-Worthy Packing
Send E-mail:info@gneestainless.com
Tel:+8615824687445
Description
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of astm a312 tp347h stainless steel seamless pipe in China. With abundant experience, we warmly welcome you to wholesale customized astm a312 tp347h stainless steel seamless pipe from our factory. For price consultation, contact us.
GNEE is a well-known manufacturer, exporter, distributor, stockist, and supplier of ASTM A312 stainless steel pipes. All our products comply with both national and international raw material quality standards.
ASTM A312 TP347H is a niobium-stabilized austenitic stainless steel seamless pipe designed for high-temperature and high-pressure applications. Its main alloying elements are chromium and nickel. The grade is available in both seamless and welded forms.
ASTM A312 TP347H seamless pipes are produced with a higher carbon content. These pipes offer exceptional strength and contain no joints or welds. The extrusion process used in their manufacturing gives them superior load-bearing capacity in various stress environments, with maximum sizes of up to 24 inches.
UNS S34709 welded pipes are manufactured from rolled metal followed by a series of welding processes. While welded pipes have lower strength and load-bearing capacity compared to seamless pipes, they are more cost-effective and are widely used in high-temperature boilers, superheaters, and heat-exchanger equipment.
ASTM A312 TP347H Stainless Steel Pipe Specification
Country/Region: China
Product Name：ASTM A321 TP347H Stainless Steel Pipe
FOB Price: US $2,000-4,200 / Ton | 1 Ton/Tons (Min. Order)
Port of Shipment：Tianjin,China
Payment：L/C or T/T
Delivery: 7-15 days after payment
Package：Standard export package,suit for all kinds of transport, or as required
Certificate：ISO 9001-2000,PED 97/23/EC,ASME,DNV
Outside Diameter ：16-228mm
Wall thickness：0.4mm--30mm
Length：6000mm,12000m or specified length as required.
ASTM A312 Stainless Steel Seamless Pipe Chemical Composition
| GRADE |
UNS. |
ASTM A312/SA 312 CHEMICAL COMPOSITION % MAXIMUM | |||||||
|---|---|---|---|---|---|---|---|---|---|
| C | MN | P | S | SI | CR | NI | NB | ||
| TP347 | S34700 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-13.0 |
10 × C% |
| TP347H | S34709 | 0.04-0.10 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-13.0 |
10 × C% |
ASTM A312 TP347/TP347H Stainless Steel Seamless Pipe Mechanical Properties
| GRADE | HEAT TREATMENT | Tensile Strength, min ksi [MPa] | Yield Strength, min ksi [MPa] | |
|---|---|---|---|---|
| Cold Finished | Hot Finished | |||
| TP347 |
2000 °F [1100 °C] |
1925 °F [1050 °C] |
75 [515] | 30 [205] |
| TP347H | 2000 °F [1100 °C] | 1925 °F [1050 °C] | 75 [515] | 30 [205] |
Stainless Steel 347H Welded Tube Tolerance
| Nominal Pipe Size Designator | Permissible Variations in Outside Diameter | |
|---|---|---|
| Over In. | Under In. | |
| Over 1-1/2 to 4, incl | 1/32 (0.031) | 1/32 (0.031) |
| Over 4 to 8, incl | 1/16 (0.062) | 1/32 (0.031) |
| Over 8 to 18, incl | 3/23 (0.093) | 1/32 (0.031) |
| 1/8 to 1-1/2, incl | 1/64 (0.015) | 1/32 (0.031) |
In addition to 347H stainless steel pipe, we also offer other products such as AISI 304L, 316L, and 317L, as well as high-alloy steel grades such as UNS N08904 (904L). If you have any project requirements for ASTM A312 TP347H stainless steel seamless pipe, please click the button below to contact us immediately. We would be happy to assist you.
Product Testing
1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material
2.100% Dimension & Visual Examination
3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test, Transverse-guided face bend test
UNS S34709 Seamless Pipe supplier
Packaging
Types of Packaging:
- Bundles (hexagonal)
- Wooden Boxes
- Crates (steel/wooden)
- Special crates for U-Bend tubes with each radius separated
- Our ASTM A312 TP347H Stainless Steel Pipe packing can meet any needs of the customers.
Customer visit and sign the order
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