ASTM A213 T91 T12 T11 Alloy Tube
ASTM A213 T91, T12, T11 alloy pipe is a ferritic and austenitic alloy steel seamless steel pipe used in boilers, superheaters and heat exchangers.
OD: NPS 1/8″ TO 30″
WT: 2.0mm-60mm Schedule: SCH40, SCH60, XS, SCH80, SCH100, SCH120, SCH140, SCH160, XXS
Grade: ASTM A333 Gr. 1,Gr. 3, Gr. 6...
Single Random: 17′ ~ 24′ lengths
Double Random: 36′ ~ 44′ lengths
A333 PIPE CHEMICAL COMPOSITION
The chemical composition of A333 LTCS pipes:
A333 PIPE | Chemical Composition (%) | ||||||||||
C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V | Al | |
Grade 1 | ≤0.30 | 0.40-1.06 | ≤0.025 | ≤0.025 | |||||||
Grade 3 | ≤0.19 | 0.18-0.37 | 0.31-0.64 | ≤0.025 | ≤0.025 | 3.18-3.82 | |||||
Grade 4 | ≤0.12 | 0.18-0.37 | 0.50-1.05 | ≤0.025 | ≤0.025 | 0.44-1.01 | 0.47-0.98 | 0.40-0.75 | 0.04-0.30 | ||
Grade 6 | ≤0.30 | ≥0.10 | 0.29-1.06 | ≤0.025 | ≤0.025 | ||||||
Grade 7 | ≤0.19 | 0.13-0.32 | ≤0.90 | ≤0.025 | ≤0.025 | 2.03-2.57 | |||||
Grade 8 | ≤0.13 | 0.13-0.32 | ≤0.90 | ≤0.025 | ≤0.025 | 8.40-9.60 | |||||
Grade 9 | ≤0.20 | 0.40-1.06 | ≤0.025 | ≤0.025 | 1.60-2.24 | 0.75-1.25 | |||||
Grade 10 | ≤0.20 | 0.10-0.35 | 1.15-1.50 | ≤0.03 | ≤0.015 | ≤0.15 | ≤0.25 | ≤0.015 | ≤0.50 | ≤0.12 | ≤0.06 |
Grade 11 | ≤0.10 | ≤0.35 | ≤0.6 | ≤0.025 | ≤0.025 | ≤0.50 | 35.0-37.0 | ≤0.50 |
MECHANICAL PROPERTIES
The table shows the mechanical properties of LTCS pipes in MPa (first table) and PSI (second table):
A333 PIPE | Tensile Strength (Mpa) | Yield Strength (Mpa) |
Elongation Y | Elongation X |
Grade 1 | ≥380 | ≥205 | ≥35 | ≥25 |
Grade 3 | ≥450 | ≥240 | ≥30 | ≥20 |
Grade 4 | ≥415 | ≥240 | ≥30 | ≥16.5 |
Grade 6 | ≥415 | ≥240 | ≥30 | ≥16.5 |
Grade 7 | ≥450 | ≥240 | ≥30 | ≥22 |
Grade 8 | ≥690 | ≥515 | ≥22 | |
Grade 9 | ≥435 | ≥315 | ≥28 | |
Grade 10 | ≥550 | ≥450 | ≥22 | |
Grade 11 | ≥450 | ≥240 | ≥18 |