DIN1629 ST37.0 ST44.0 ST52.0 Non - Alloy Seamless Steel Round Heat Exchanger Piping
| Place of Origin: | Jiangsu |
|---|
Company Profile
| Location: | Changzhou, Jiangsu, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
| Main Products: | Carbon Steel Seamless Pipe, Seamless Boiler Tubes, Seamless Steel Pipe |
Product Description
DIN1629 SEAMLESS CIRCULAR UNALLOYED HEAT EXCHANGER STEEL TUBES WITH SPECIAL REQUIREMENTS
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)
As per standard 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 |
P≤ |
S≤ |
N (1) |
|
|
St 37.0 |
1.0254 |
≤0.17 |
0.040 |
0.040 |
0.009(2) |
|
St 44.0 |
1.0256 |
≤0.21 |
0.040 |
0.040 |
0.009(2) |
|
St 52.0 |
1.0421 |
≤0.22 |
0.040 |
0.035 |
- |
MECHNICAL PROPERTIES:
|
STEEL GRADE |
Tensile Strength σb(Mpa) N/mm2 |
Yield Strength σs(Mpa) (WT in mm) |
Elongation δ(%) (L=5do) |
|||||
|
≤16 |
16≤40 |
40≤60 |
I |
T |
||||
|
(MIN) N/mm2 |
% (MIN) |
|||||||
|
St 37.0 |
1.0254 |
350-480 |
235 |
225 |
215 |
25 |
23 |
|
|
St 44.0 |
1.0256 |
420-550 |
275 |
265 |
255 |
21 |
19 |
|
|
St 52.0 |
1.0421 |
500-650 |
355 |
345 |
335 |
21 |
19 |
|
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:
DIN1629 applies to non-alloy steel seamless circular tubes which are used in chemical equipment, vessel, pipe-line, and machine design..
Top quality products
Applications:
Mainly used in chemical equipment, vessel, pipe-line, and machine design. etc.
Competitive Advantage:
Always put quality on first consideration makes us keep our qulity stable and good. Always put customer’s benefit before ours makes our good service and gain us good reputation.
Advanced equipments. Sincere and frank attitude to customers. Strict requirements on quality control.
Production Equipments:
Package:
