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SEAMLESS BOILER STEEL TUBE ASTM A192(ASME SA192)
Specifications:
SEAMLESS BOILER STEEL TUBE ASTM A192(ASME SA192)
Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating
Ends: BE/PE, ends caps
Marking: as per requirement
Delivery Condition: Annealed/Normalized/Tempered
Size:(mm)
OD:12.7mm – 177.8mm(1/2 – 7 in.)
WT: 2.2 – 25.4(0.085 – 1 in.) 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 (%):
| C≤ | Mn | P≤ | S≤ | Si≤ |
| 0.06~0.18 | 0.27-0.63 | 0.035 | 0.035 | 0.25 |
MECHNICAL PROPERTIES:
| Tensile Strength σb(Mpa) | Yield Strength σs(Mpa) | Elongation δ(%) | Hardness (HRB) |
| ≥325 | ≥180 | 35 | ≤77 |
DIMENSION TOLERANCE:
| Processing | Size | Tolerance | |
| SEAMLESS | OD | <25.4mm | ±0.10mm |
| 25.4~38.1mm | ±0.15mm | ||
| 38.1~50.8mm | ±0.20mm | ||
| 50.8~63.5mm | ±0.25mm | ||
| 63.5~76.2mm | ±0.30mm | ||
| 76.2~101.6mm | ±0.38mm | ||
| 101.6~190.5mm | +0.38mm~-0.64mm | ||
| WT | OD≤38.1mm | 0~+20% | |
| OD≥38.1mm | 0~+22% | ||
INSPECTION AND TEST:
CHEMICAL COMPOSTION TEST. MECHANICAL PROPERTIES TEST(tensile strength, yield strength, elongation, flaring, flattening, flanging, bending, hardness, etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy&nbs
ASTM A192 high pressure seamless carbon steel tube for Boiler , superheat , heat - exchanger
