ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
Zhangjiagang Hua Dong Energy Technology Co., Ltd.
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Round Boiler Seamless Precision Steel Tube Cold Drawn ASTM A192 Standard
Round Boiler Seamless Steel Tube And Pipe ASTM A192
Applications:
For Boilers,Superheaters,
Heat-Exchangers,
High-pressure Boilers,
Steam Boilers
Cold Condensers and High-Pressure Services,
High-Temperature Services for Boiler Constructions
Manufacture Mothod:
Tubes are manufactured by seamless process and both hot finished and cold finished are applicable. boiler seamless steel tube and pipe is our strength on worldwide market for USA, Middile East Market.
Heat treatment:
Hot finished tubes need not be heat treated.Cold Finished tubes are heat treated after the final cold finishing pass at a temperature of 1200℉(650℃) or higher
Steel grade SA192 Chemical Composition & Mechanical properties
| C | Mn | P | S | Si | Tensile Strength | Yeild point | Elongation |
| 0.06-0.18 | 0.27-0.63 | 0.035Max | 0.035Max | 0.25Max | min ksi[Mpa] 47[325] | min ksi[Mpa] 26[180] | ≥35% |
Hardness
| Brinell Hardness | Rockwell Hardness Number |
| WT≥0.200in(5.1mm) | WT<0.200in(5.1mm) |
| 137HRB | 77HRB |
QUALITY CONTROL
1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.
Hua Dong Energy Technology is one of reliable and most leading suppliers of ASTM A192 steel materials for your different applications. Contact us for a quote or any technical queries. We’d like to hear from you.
