Wenzhou Zheheng Steel Industry Co.,Ltd
| Payment Terms | L/C, T/T, D/A, D/P |
| Supply Ability | 50TONS/30DAYS |
| Delivery Time | 30 DAYS |
| Packaging Details | In bundles with waterproof material,or wooden crate packing |
| Material | SUS347 |
| Standard | ASTM, GB, JIS, DIN, EN, AISI |
| shape | sch40S |
| technique | Cold-drawn |
| purpose | Chemical industry |
| package | woven packing |
| OD | 6-830mm |
| Brand Name | zheheng steel |
| Model Number | 88.9mm |
| Certification | iso9001 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T, D/A, D/P | Supply Ability | 50TONS/30DAYS |
| Delivery Time | 30 DAYS | Packaging Details | In bundles with waterproof material,or wooden crate packing |
| Material | SUS347 | Standard | ASTM, GB, JIS, DIN, EN, AISI |
| shape | sch40S | technique | Cold-drawn |
| purpose | Chemical industry | package | woven packing |
| OD | 6-830mm | Brand Name | zheheng steel |
| Model Number | 88.9mm | Certification | iso9001 |
| Place of Origin | CHINA | ||
| High Light | UNS S34700 Stainless Boiler Tube ，Seamless Stainless Boiler Tube ，Sch40S Seamless Boiler Steel Tube | ||
ASTM UNS S34700 Seamless Stainless Steel Tube Sch40S Used in Boiler Tube
Introduction to products:
347 is a stable austenitic chromium steel that contains niobium and eliminates carbide precipitation, thereby eliminating intergranular corrosion. Alloy 347 is stabilized by the addition of chromium and tantalum and provides higher creep and stress fracture properties than alloys 304 and 304L, which can also be used for exposures requiring attention to sensitization and intergranular corrosion. The addition of columbium also makes alloy 347 have excellent corrosion resistance, even better than alloy 321. 347H is the higher carbon content form of alloy 347 and shows improved high temperature and creep properties.
Description for our production range:
Name :Stainless Steel seamless Pipe
Standard :EN10216-5 , EN10216-2,DIN 17456 , DIN 17458,ASTM A312,
A213, A269, A511, A789, A790 ETC,GOST 9941 , GOST 5632,
JIS G3459 , JIS G3463,GB/T14975,GB/T14975, GB13296, GB5310, GB9948
Material Grade :
TP347
Diameter :OD: 6-830mm
W.T: 0.6mm - 60mm
Length :Up to 13 meter or as customers' request
Tolerance :According to the Standard.
Surface :
Natural Color of annealing & pickling, 180G, 320G, 400G Satin / Hairline
400G, 500G, 600G or 800G Mirror finish
Test :
UT, ET, HT, RT,ect, and others according to the standard,
or as the requests of the customer
our products packing:
APPLICATIONS :
Physical Properties
AISI 321 steel physical properties are given in the following lists, including density, thermal expansion, elastic modulus, thermal conductivity, specific heat capacity and electrical resistance.
| SS321 Physical Properties | |
| Density, g/cm3 (lb/in.3) | 7.9 (0.29) |
| Melting point, °C (°F) | 1400-1425 (2550-2600) |
| Specific heat capacity, J/kg·K (Btu/lb ·°F) | 500 (0.12) at 20 °C |
| Electrical resistivity, μΩ·m | 0.72 at 20 °C |
| Magnetic permeability | 1.02 (Approximate) |
| Elastic modulus, GPa (106 psi) | 193 (28) |
| Thermal conductivity, W/m·K (Btu/ft · h ·°F) | 16.1 (9.3) at 100 °C (212 °F) |
| 22.2 (12.8) at 500 °C (932 °F) | |
| Coefficient of thermal expansion, 10-6/K (μin./in. ·°F) | 16.6 (9.2) at 0-100 °C (32-212 °F) |
| 17.2 (9.6) at 0-315 °C (32-600 °F) | |
| 18.6 (10.3) at 0-538 °C (32-1000 °F) | |
Notes:
10-6·K-1 = 10-6/K
1 Ω·mm²/m = 1 μΩ·m
1 g/cm3 = 1 kg/dm3 = 1000 kg/m3
1 GPa = 1 kN/mm2
1 MPa = 1 N/mm2
other supplement:
1.A999/A999M: Each pipe shall be subjected to the nondestructive electric test or the hydrostatic test, the pipe of test to be used shall be at the option of the mfg, unless otherwise specified in the PO.
2. The Pipe lengths : Unless otherwise agreed upon, all size from NPS 1/8" TO AND INCLUDING nps 8 are available in a length up to 24ft with the permitted range of 15 to 24 ft. Short length are acceptable and the number and min, length shall be agreed upon between mfg and purchaser.
3. The finished pipe shall be reasonably straight and shall have workmanlike finish, Removal of imperfections by grinding is permitted, provided the W.T are not decreased to the less than the permitted in Section 9 of Specification A999/A999M
4. Butt Weld End: According to ANSI B 16.25
5. Pipe Marking: Specified in A999/999M, include "Logo+Standard+SIZE+Heat No.+Lot No.+H.T/E.T/U.T"
6. Packing: Each Pipe end is protected by Plastic cap. Then packed by Anti-rust steel strip, The outside of the bundle is plastic woven bag, or Plastic film.
7. Packing Mark: SIZE + STEEL GRADE+ QTY OF PIECE/WEIGHT/METRE.
8.MTC: BWSS Official Original MTC paper will be supplied for each order.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company
Year Established:
1995
Total Annual:
6,000,000-8,000,000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Zheheng steel is one incorporate of manufacturer, Exporter ,consultant ,stockist company specialized in the area of stainless steel tubing , pipe fittings ,Flanges and other stainless steel grade accessories . It is one-stop-shop company ,our team have more than 20 years experience in sta... Zheheng steel is one incorporate of manufacturer, Exporter ,consultant ,stockist company specialized in the area of stainless steel tubing , pipe fittings ,Flanges and other stainless steel grade accessories . It is one-stop-shop company ,our team have more than 20 years experience in sta...
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