| Product Details:
 Payment & Shipping Terms:
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| STANDARD: | ASTM, ASME | SHAPE: | ROUND | 
|---|---|---|---|
| SECONDARY OR NOT: | BRAND NEW | PROCESSING: | COLD DRAWN | 
| TECHNIQUE: | SEAMLESS | CERTIFICATE: | PED, ISO9001, ISO14001 | 
| APPLICATION: | BOILER, SUPERHEATER, PRESSURE VESSEL | MATERIAL: | CARBON STEEL | 
Cold Drawn Seamless Heat Exchanger Tubing / Pipe Carbon Steel Boiler Tube Welding
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 | 
| ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | 
DIMENSION TOLERANCE:
| OD (mm) | + | − | 
| 10.29—48.3 | 0.4 | 0.4 | 
| <48.3—-≤114.3 | 0.79 | 0.79 | 
| <114.3—≤219.1 | 1.59 | 0.79 | 
| <219.1—≤323.9 | 2.38 | 0.79 | 
| <323.9 | ±1% | |
INSPECTION AND TEST:
CHEMICAL COMPOSTION TEST. MECHANICAL PROPERTIES TEST(tensile strength, yield strength, elongation, flaring, flattening, hardness, etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy current test/ultrasonic test), HYDRAULIC TEST.
Description:
ASTM A213 Seamless boiler steel tube
Size range from OD: 12.7 – 127mm (1/2 – 5 in.) WT: 0.4 – 12.7mm (0.015 – 0.5in.), or as per customer’s requirement.
Top quality products
Applications:
Mianly used for boiler, boiler flue, including safe ends, arch and stay tubes. Superheater. Heat-exchanger and other heat supply/heat transfer equipment. Petro-chemical industry, transportation of fluids, water, oil, gas, steam etc.
 
 
Competitive Advantage:
Advanced equipments. Sincere , truth and careful attitude on communication and production. Very serious attitude on quality contral.
