Black Cold Drawn Seamless Steel Tube , Boilers Use Seamless Round Tubes
ASTM A 106 GrB Black Cold Drawn Carbon Seamless Steel Pipe Seamless Round Tubes
Description
| 1 | Standard | Seamless Steel Pipe |
| 2 | Material |
1. 10#, 20#, Q235B, Q345B, 45# 2. A106 GR.A, B; A53 GR.A,B; A179, A192,A333 GR.6 |
| 3 | Type: | Seamless |
| 4 | Technique: | Hot rolled & Cold drawn |
| 5 | OD: | (1) Hot rolled: 32-600mm (ND: 1''-24'') |
| (2) Cold drawn: 6-200mm (ND: 1/8''-8'') | ||
| 6 | WT: | (1) Hot rolled: 2.5-75mm |
| (2) Cold drawn: min thickness 0.25mm | ||
| 7 | Length: | Fixed length ( expensive), DRL length ( cheap) |
| 8 | Surface treatment: | (1) Varnish / Oil (red & black) painting, |
| (2) Zinc coated (hot dipped galvanized) | ||
| (3) Anti-corrosion powder coating, 2PP/2PE, 3PP/3PE, FBE (Brand: 3M, DoPont). | ||
| 9 | Usage: | Above 450° high temperature |
| 10 | Application: | (1) Seamless steel line pipe transporte oil & gas in petroleum industry |
| (2) Convey high temperature fluid in the fertilizer machine | ||
| (3) Boiler pipe, including over-heat pipe, boiling water pipe, locomotive smoke pipe (big & small) | ||
|
(4) Heat-exchange pipe for refinery |
Chemical composition and mechanical property
| A106: Chemical components and mechanical property | |||||||||||||
| STD | Trade mark | CHEMICAL COMPONENT | MECHANICAL PROPERTY | ||||||||||
| C | Si | Mn | P,S | Cu | Ni | Mo | Cr | V | Tensile Strength(Mpa) | Yield | Elongation | ||
| Strength(Mpa) | |||||||||||||
| ASTM | B | ≤0.30 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 | ≥415 | ≥240 | ≥30 |
| A106 | C | ≤0.35 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ||||
Applications:
for Boilers,Superheaters,
Heat-Exchangers,
High-pressure Boilers,
Steam Boilers
Cold Condensers and High-Pressure Services,
High-Temperature Services for Boiler Constructions
Manufacture:Tubes are manufactured by seamless process and both hot finished and cold finished are applicable.
seamless boiler steel tube
heat exchanger boiler steel pipe
Heat treatment:Hot finished tubes need not be heat treated.Cold Finished tubes are heat treated after the final cold finishing pass at a temperature of 1200℉(650℃) or higher
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