Seamless Steel Tube for High Pressure Boilers in Power Plant
Company Introduction
Zhangjiagang Hua Dong Energy Technology Co., Ltd. is a high-tech enterprise specialized in producing all kinds of stainless, carbon and alloy steel tubes and pipes, steel plates which are widely used in the field of boiler&heat exchanger, energy, petrochemical, mining, food, paper, gas and fluid industry. And we have passed the attestations including ASME, TUV, Grade A, ISO9001, EN12952, EN10216, SO3834.
Product Details
Standard : Chinese GB5310
Application : It is used for heating-pipelines,containers,coal-saving devices superheaters and reheaters of high pressure boilers (P>9.8Mpa, 450 ℃ <T< 650 ℃ )
Main steel pipe grade : 20G , 25MnG , 15MoG , 15CrMoG , 12Cr2MoG , 12Cr1MoVG ( Other grade is also negotiable. )
Chemical Compositon & Mechanical Propertise :
Standard | Grade | Chemical Composition(%) | ||||||
C | Mn | Si | V | Cr | Mo | P.S | ||
GB5310 | 20G | 0.17~0.24 | 035~0.65 | 0.17~0.37 | / | / | / | ≤ 0.030 |
25MnG | 0.22~0.30 | 0.70~1.00 | 0.17~0.37 | / | / | / | ≤ 0.030 | |
15MoG | 0.12~0.20 | 0.40~0.80 | 0.17~0.37 | / | / | 0.25~0.35 | ≤ 0.030 | |
15CrMoG | 0.12~0.18 | 0.40~0.70 | 0.17~0.37 | / | 0.80~1.10 | 0.40~0.55 | ≤ 0.030 | |
12Cr2MoG | 0.08~0.15 | 0.40~0.70 | ≤ 0.50 | / | 2.00~2.50 | 0.90~1.20 | ≤ 0.030 | |
12Cr1MoVG | 0.08~0.15 | 0.40~0.70 | 0.17~0.37 | 0.15~0.30 | 0.90~1.20 | 0.25~0.35 | ≤ 0.030 | |
Mechanical Propertise | Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation(%) | |||||
20G | 410~550 | ≥ 245 | ≥ 24 | |||||
25MnG | ≥ 415 | ≥ 240 | ≥ 22 | |||||
15MoG | 450~600 | ≥ 270 | ≥ 22 | |||||
15CrMoG | 440~640 | ≥ 235 | ≥ 21 | |||||
12Cr2MoG | 450~600 | ≥ 280 | ≥ 20 | |||||
12Cr1MoVG | 470~640 | ≥ 255 | ≥ 21 |