Product Details:
Payment & Shipping Terms:
|
| STANDARD: | DIN | SHAPE: | ROUND |
|---|---|---|---|
| CERTIFICATE: | PED, ISO9001, ISO14001, OHSAS18001 | PLACE OF ORIGIN: | JIANGSU, CHINA |
| SECONDARY OR NOT: | BRAND NEW | PROCESSING: | COLD DRAWN, HOT ROLL |
| SURFACE: | BARE, OIL, VARNISH, BLACK | TECHNIQUE: | SEAMLESS |
DIN17175 ST35.8 / ST45.8 seamless carbon steel tube / cs seamless pipe for Boiler Construction
BOILER TUBE 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
Ends: PE, ends caps
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% |
|||||||||
|
Steel Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
V |
|
|
St35.8 |
1.0305 |
≤0.17 |
0.1-0.35 |
0.40-0.80 |
0.040 |
0.040 |
|
|
|
|
St45.8 |
1.0405 |
≤0.21 |
0.1-0.35 |
0.40-1.20 |
0.040 |
0.040 |
|
|
|
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) |
|||||||
|
≤16 |
＞16≤40 |
＞40≤60 |
I |
T |
T |
||||||
|
(MIN) N/mm2 |
% (MIN) |
δ (MIN) |
|||||||||
|
St35.8 |
1.0305 |
350-480 |
235 |
225 |
215 |
25 |
23 |
34 |
|||
|
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, where the total stress and the relevant scaling conditions can raise or lower the temperature limit.Boiler tube and superheater service. Boiler flue, air preheating pipe line, superheater, etc.
Competitive Advantage:
Good quality and price. Advanced equipments. Sincere, careful attitude on communication and production.
