Product Categary:
Main Feature:
Seamless Steel Tubes SA213 U tubes for boilers and heat exchangers applications OD:6-127mm WT:0.5-12mm Steel Grade: T5T9T11T12T21T22 SA213 long steel tubes make to U bend tubes for boilers and heat exchangers. With strong wood structu
OD:6-127mm
WT:0.5-12mm
Steel Grade and Chemical Compositions: | |||||||
Steel Grade | C | Mn | P | S | Si | Cr | Mo |
max | max | max | max | max | min | ||
T5 | 0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.5 | 4.0-6.0 | 0.45-0.65 |
T9 | 0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.00 | 8.0-10.0 | 0.90-1.10 |
T11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 1.0-1.50 | 0.44-0.65 |
T12 | 0.05-0.15 | 0.30-0.61 | 0.025 | 0.025 | 0.50 | 0.80-1.25 | 0.44-0.65 |
T21 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 2.65-3.35 | 0.80-1.06 |
T22 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50 | 1.90-2.60 | 0.87-1.13 |