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Hot Rolled Seamless Steel Tube For Petroleum Cracking
Hot rolled seamless steel tube for petroleum cracking Standard: GB/T 9948 China National Standard ASTM A200 standard American society for testing & materials Application: For heat-exchange pipe, line pipe, furnace pipe for refinery service Mechanical properties Chemical composition (%)
Description
Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of hot rolled seamless steel tube for petroleum cracking in China, featured by quality products and low price. If you're going to wholesale durable hot rolled seamless steel tube for petroleum cracking made in China, welcome to get pricelist and free sample from our factory.
Hot rolled seamless steel tube for petroleum cracking
Standard: GB/T 9948 China National Standard
ASTM A200 standard American society for testing & materials
Application: For heat-exchange pipe, line pipe, furnace pipe for refinery service
Mechanical properties of seamless steel tube for petroleum cracking
| Material | Grade | Tensile strength | Yield strength | Elongation | Impact strength | Hardness |
| σb/MPa | σb/MPa | δ 5% | Aku/J | HBS | ||
| ≥ | ≤ | |||||
| Carbon steel | 10 | 330-490 | 205 | 24 | - | - |
| 20 | 410-550 | 245 | 21 | 39 | - | |
| Alloy steel | 12CrMo | 410-560 | 205 | 21 | 55 | 156 |
| 15CrMo | 440-640 | 235 | 21 | 47 | 170 | |
Chemical composition (%) of seamless steel tube for petroleum cracking
| Material | Grade | C | Mn | Si | Cr | Mo | Ni | Nb | S | |
| ≤ | ||||||||||
Carbon steel | 10 | 0.07-0.14 | 0.35-0.65 | 0.17-0.37 | ≤0.15 | - | ≤0.25 | - | 0.035 | 0.035 |
| 20 | 0.07-0.24 | 0.35-0.65 | 0.17-0.37 | ≤0.15 | - | ≤0.25 | - | 0.035 | 0.035 | |
Alloy steel | 12CrMo | 0.08-0.15 | 0.40-0.70 | 0.17-0.37 | 0.40-0.70 | 0.40-0.55 | ≤0.30 | - | 0.035 | 0.035 |
| 15CrMo | 0.12-0.18 | 0.40-0.70 | 0.17-0.37 | 0.80-1.10 | 0.40-0.55 | ≤0.30 | - | 0.035 | 0.035 | |
Hot rolled seamless steel tube for petroleum cracking can be used for boiler tubes, heat exchanger tubes and pressure pipes for chemical industry.
Divided into two categories according to product manufacturing methods, the category and code are:
Hot rolled (extruded, expanded) steel pipe WH.
Cold drawn (rolled) steel tube WC.
Inspection & Test of hot rolled seamless steel tube for petroleum cracking: chemical composition analysis, mechanical properties, flattening test or bending test, flaring test, hardness test, impact test, macroscopic examination, non-metallic inclusions, NDT, surface inspection and dimension check.
After inspection and test, hot rolled seamless steel tube for petroleum cracking can be deliveried to clients.
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