Zhengzhou Huitong Pipeline Equipment Co.,Ltd.
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 10000 KG MONTH |
| Delivery Time | 15-20 |
| Packaging Details | wooden case packing |
| Material | Duplex steel ASTM 312 S31254 N08367 seamless Stainless Steel pipe tube |
| Name | Duplex steel ASTM 312 S31254 N08367 seamless Stainless Steel pipe tube |
| Surface | Annealed |
| Feature | ASTM 312 S31254 N08367 |
| Introduction | INCOLOY alloys |
| type | Seamless Pipe and Tube |
| Brand Name | HT |
| Model Number | Duplex steel ASTM 312 S31254 N08367 seamless Stainless Steel pipe tube |
| Certification | PED SGS ISO TUV |
| Place of Origin | Jiangsu |
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Supply Ability | 10000 KG MONTH |
| Delivery Time | 15-20 | Packaging Details | wooden case packing |
| Material | Duplex steel ASTM 312 S31254 N08367 seamless Stainless Steel pipe tube | Name | Duplex steel ASTM 312 S31254 N08367 seamless Stainless Steel pipe tube |
| Surface | Annealed | Feature | ASTM 312 S31254 N08367 |
| Introduction | INCOLOY alloys | type | Seamless Pipe and Tube |
| Brand Name | HT | Model Number | Duplex steel ASTM 312 S31254 N08367 seamless Stainless Steel pipe tube |
| Certification | PED SGS ISO TUV | Place of Origin | Jiangsu |
· UNS: S31254
· EN Number: 1.4547
· EN Name: X1CrNiMoCuN20-18-7
· W.Nr.: 1.4529**
· SS: 2378*
· AFNOR: Z1 CNDU 20.18.06AZ*
CHEMICAL COMPOSITION OF ASTM A312 SMO 254 STAINLESS STEEL SEAMLESS PIPES
| C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| ≤0.020 | ≤0.80 | ≤1.00 | ≤0.030 | ≤0.010 | 20 | 18 | 6.1 | 0.20 | 0.7 |
MECHANICAL PROPERTIES OF ASTM A312 SMO 254 STAINLESS STEEL SEAMLESS PIPES
The following table shows mechanical properties of stainless steel grade 254 SMO™.
| Properties | Metric | Imperial |
| Tensile strength | 680 MPa | 98600 psi |
| Yield strength | 300 MPa | 43500 psi |
| Modulus of elasticity | 195 GPa | 28300 ksi |
| Shear modulus | 75 GPa | 10900 ksi |
| Poisson’s ratio | 0.30 | 0.30 |
| Elongation at break | 50 % | 50 % |
| Hardness, Brinell | 210 | 210 |
ASTM A312 SMO 254 STAINLESS STEEL SEAMLESS PIPES PHYSICAL PROPERTIES The physical properties of stainless steel grade 254 SMO™ are tabulated below.
| Specific Heat (0-100°C) | 500 | J.kg-1.°K-1 |
| Thermal Conductivity | 14 | W.m -1.°K-1 |
| Thermal Expansion | 16.5 | mm/m/°C |
| Modulus Elasticity | 196 | GPa |
| Electrical Resistivity | 8.5 | μohm/cm |
| Density | 8.0 | g/cm3 |
THERMAL PROPERTIES FOR ASTM A312 SMO 254 STAINLESS STEEL SEAMLESS PIPES
The thermal properties of stainless steel grade 254 SMO™ are tabulated below.
| Properties | Metric | Imperial |
| Thermal expansion co-efficient (@20-100°C/68-212°F) | 16.5 µm/m°C | 9.17 µin/in°F |
| Thermal conductivity | 14 W/mK | 97.2 BTU in/hr.ft².°F |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1978
Total Annual:
10000000-20000000
Employee Number:
50~100
Ecer Certification：
Active Member
Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fitti... Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fitti...
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