| ¡¡¡¡The company Perennial maintain inventory around 10,000 tons: High-pressure boiler steel pipe ¡¢High-pressure alloy pipe¡¢Oil pipes¡¢Seamless pipe¡¢Structural steel pipe and Fluid steel pipe.Main standards £ºGB8162¡ª99£¨structural pipe£©¡¢GB8163¡ª99£¨fluid pipe£©¡¢GB3087¡ª99£¨low/middle-pressure boiler steel pipe£©¡¢GB5310¡ª95£¨high pressure boiler steel pipe£©¡¢GB9948¡ª88£¨pipe for petroleum cracking£©¡¢£¨high pressure fertilizer steel pipe¡¢seamless pipe for power plant equipment£©¡¢ GB6479¡ª2000 £¨boiler ¡¢seamless stainless steel for heat exchanger£©¡¢ GBl3296-9l (fluid stainless seamless pipe)¡¢GB£¯Tl4976-02 (stainless seamless steel tube for structure)¡¢GB£¯T14975-02¡¢ASTM¡¢A269¡¢A312¡¢A2l3 or some others. |
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| 3-4-5-6¡Á0.5-1-1.5-2 |
54¡Á3.5-4.5-6-8-10-12 |
| 8-10¡Á1-1.5-2-2.5-3 |
57¡Á3.5-4.5-6-8-10-12-14 |
| 12¡Á1-1.5-2.5-3 |
60¡Á3.5-4.5-6-8-10-12-14 |
| 14¡Á1-1.5-2-2.5-3-4 |
63.5¡Á4-5-6-8-10-12-14 |
| 15-16¡Á1-1.5-2-2.5-3-4 |
68¡Á3.5-4.5-6-81-0-12-14 |
| 18-19¡Á1-2-2.5-4.5-6 |
70¡Á4.5-6-8-10-12 |
| 20¡Á1-2-2.5-3-4-5 |
73¡Á4-5-6-8-10-12-14-16 |
| 22¡Á1-3-4-5-6 |
76¡Á4-5-6-8-10-12-14 |
| 24¡Á1-3-4-5-7 |
76¡Á16-18-20-22 |
| 25¡Á1-2-3-4-5-6 |
80¡Á4.5-5-6-8-10-12 |
| 27¡Á1-2.5-3-3.5-4.5-6 |
83¡Á4.5-5-6-8-10-12 |
| 28¡Á1-3-4-5-6-7-9 |
83¡Á14-16-18-20-22 |
| 30¡Á1-2.5-4-5-7 |
89¡Á4.5-8-10-12-14-16 |
| 32¡Á1-2-3-4-5-6-8-9 |
89¡Á19-22-26-28 |
| 34¡Á1-2.5-3-4.5-6-8 |
95¡Á4.5-5-6-8-10-20-22 |
| 36¡Á1-2.5-3-4-5-6-9 |
95¡Á12-14-15-16-18-25 |
| 38¡Á1-2.5-3-4-5-7-9-10 |
102¡Á4.5-5-6-8-9-10 |
| 40¡Á1-2.5-3-4.5-6-8-10 |
102¡Á12-14-16-18-22-25-30 |
| 42¡Á1-2.5-3-4-5-6-7-8-10 |
108¡Á4.5-5-6-7-8-10-12 |
| 45¡Á1.5-2.5-3-4-5.5-6-7-8-10 |
108¡Á14-16-18-20-22-25-30 |
| 48¡Á1.5-3-4-5-6-8-10-12 |
114¡Á4-5-6-8-10-12 |
| 50¡Á2.5-3-4-5-6-8-10-12 |
114¡Á14-16-18-20-22-25-30 |
| 51¡Á3-3.5-4.5-6-8-10-12 |
121¡Á4.5-5-6-8-10-12-14-16-18-20-22-25-30 |
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