Product Details:
Payment & Shipping Terms:
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STANDARD: | DIN | SHAPE: | ROUND |
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CERTIFICATE: | PED, ISO9001, ISO14001 | PLACE OF ORIGIN: | JIANGSU, CHINA |
SECONDARY OR NOT: | BRAND NEW | PROCESSING: | SEAMLESS |
SURFACE: | BARE, OIL, VARNISH, BLACK |
DIN 17175 ST45.8 / 1.0405 Seamless Boiler Tubes , Heat Resistant Seamless Steel Tube OD45mm
DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS
Part 1: Specification for low tensile carbon steel tubes without specified elevated temperature properties
Specifications:
Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling
Marking: as per requirement
Delivery Condition: Annealed/Normalized/Tempered
Size:(mm)
OD: ≤660mm
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 (%):
CHEMICAL COMPOSITION (CAST ANALYSIS) IN% |
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Steel Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
V |
|
St45.8 |
1.0405 |
≤0.21 |
0.1-0.35 |
0.40-1.20 |
0.040 |
0.040 |
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|
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MECHNICAL PROPERTIES:
STEEL GRADE |
Tensile Strength σb(Mpa) N/mm2 |
Yield Strength σs(Mpa) (WT in mm) |
Elongation δ(%) (L=5do) |
IMPACT (DVM—TEST SAMPLE) |
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≤16 |
>16≤40 |
>40≤60 |
I |
T |
T |
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(MIN) N/mm2 |
% (MIN) |
δ (MIN) |
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St45.8 |
1.0405 |
410-530 |
255 |
245 |
235 |
21 |
19 |
27 |
INSPECTION AND TEST:
CHEMICAL COMPOSTION TEST. MECHANICAL PROPERTIES TEST(tensile strength, yield strength, elongation, flaring, flattening,impact, etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy current test/ultrasonic test), HYDRAULIC TEST.
Description:
DIN17175 applies to seamless tubes including tubes for headers of heat-resistant steels which are used in the construction of boilers, pipe-lines, pressure vessels and equipment for service up to 600℃ and at simultaneous high pressures, where the total stress and the relevant scaling conditions can raise or lower the temperature limit.
Top quality products
Applications:
Mainly used in the construction of boilers, pipe-lines, pressure vessels and equipment for service up to 600℃ and at simultaneous high pressures, Boiler flue, air preheating pipe line, superheater, etc.
Competitive Advantage:
Good managment, well trained workers, advanced equipments to ensure of the top quality products with best price and service!