High (low and medium ) Pressure Boiler & petrochemical Seamless Pipe
Standard:
ASME SA106---American Boiler and Pressure Vessel norms
ASME SA333---American Boiler and Pressure Vessel norms
ASME SA335---American Boiler and Pressure Vessel norms
DIN17175-------German industry standard
EN10216-2------European pressure piping standard
Usage:
Higher pressure, low & medium pressure boiler and steam header pipes; Petrochemical industry pipes.
Steel grade:
20G, 20#, 20MnG, 25MnG, 15CrMoG, 12Cr2MoG, 12Cr1MoVG, 10Cr9Mo1VNb,SA106B, SA106C, SA333I, SA333VI, SA335 P5/P11/P12/P22/P91/P92, ST45.8/Ⅲ, 15Mo3, 13CrMo44, etc.
Size: from 219mm to 1066mm with wall thickness 12mm~120mm.
Mechanical Properties:
standard | Steel grade | Tensile strength(MPa) | Bend strength(Mpa) | Elongation % | Impact energy(J) | Hardness |
ASME SA106 | SA106B | ≥415 | ≥240 | ≥22 | ≥35 | / |
SA106C | ≥485 | ≥275 | ≥20 | ≥35 | / | |
ASME SA333 | SA333I | ≥380 | ≥205 | ≥28 | -45℃≥18 | / |
SA333VI | ≥415 | ≥240 | ≥22 | -45℃≥18 | / | |
ASME SA335 | SA335 P11 | ≥415 | ≥205 | ≥22 | ≥35 | ≤163HB |
SA335 P12 | ≥415 | ≥220 | ≥22 | ≥35 | ≤163HB | |
SA335 P22 | ≥415 | ≥205 | ≥22 | ≥35 | ≤163HB | |
SA335 P5 | ≥415 | ≥205 | ≥22 | ≥35 | ≤187HB | |
SA335 P91 | 585~760 | ≥415 | ≥20 | ≥35 | ≤250HB | |
SA335 P92 | ≥620 | ≥440 | ≥20 | ≥35 | 250HB | |
DIN17175 | ST45.8/Ⅲ | 410~530 | ≥255 | ≥21 | ≥27(DVM) | / |
15Mo3 | 450~600 | ≥270 | ≥22 | ≥34(DVM) | / | |
13CrMo44 | 440~590 | ≥290 | ≥22 | ≥34(DVM) | / | |
10CrMo910 | 480~630 | ≥280 | ≥20 | ≥34(DVM) | / | |
EN10216-2 | 15NiCuMoNb5-6-4 (WB36) | 610~780 | ≥440 | ≥19 | ≥40 | / |
Chemical composition:
standard | Steel grade | Chemical composition (%) | |||||||||||||
C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | AL | W | Nb | N | ||
ASME SA106 | SA106B | 0.17 ~0.25 | ≥0.1 | 0.7 ~1.0 | ≤0.03 | ≤0.03 | |||||||||
SA106C | 0.23 ~0.27 | ≥0.1 | 0.7 ~1.0 | ≤0.03 | ≤0.03 | ||||||||||
ASME SA333 | SA333I | 0.09 ~0.12 | / | 0.7 ~1.0 | ≤0.02 | ≤0.01 | |||||||||
SA333II | 0.09 ~0.12 | ≥0.1 | 0.9~ 1.1 | ≤0.02 | ≤0.01 | ||||||||||
