CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.
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Gold Index: 4871
Place of Origin: | Jiangsu, China (Mainland) |
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ASTM A213 Seamless boiler steel tube
Specifications:
Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling
Ends: BE/PE, ends caps
Marking: as per requirement
Delivery Condition: Annealed/Normalized/Tempered
Size:(mm)
OD:12.7 – 127mm (1/2 – 5 in.)
WT: 0.4 – 12.7mm (0.015 – 0.5in.) (WT IS MIN WT)
or as per customer’s requirement
Length: ≤16m. Fixed Length (6m,9m,12m, 16m or as per requirement) or random length
Package: Hexagonal Bundles with steel strips and plastic wrapping outside/Wooden box/Wooden crate/Steel frame/As per customer’s requirement
CHEMICAL COMPOSITION (%):
Grade |
C |
Mn |
P≤ |
S≤ |
Si |
Cr |
Mo |
T5 |
≤0.15 |
0.30-0.60 |
0.025 |
0.025 |
≤0.50 |
4.00-6.00 |
0.45-0.65 |
T11 |
0.05-0.15 |
0.30-0.60 |
0.025 |
0.025 |
0.25-1.00 |
1.00-1.50 |
0.44-0.65 |
T12 |
0.05-0.15 |
0.30-0.61 |
0.025 |
0.025 |
0.80-1.25 |
0.80-1.25 |
0.44-0.65 |
T22 |
0.05-0.15 |
0.30-0.60 |
0.025 |
0.025 |
1.90-2.60 |
1.90-2.60 |
0.87-1.13 |
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