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CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.
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Gold Index: 4871
DIN1629 Circular Seamless Mild Steel Tube , Oiling / Black cold drawn steel pipes
| Place of Origin: | Jiangsu, China (Mainland) |
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Product Detail
DIN1629 SEAMLESS CIRCULAR MILD STEEL TUBE WITH SPECIAL REQUIREMENTS
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DIN1629 SEAMLESS CIRCULAR MILD STEEL TUBE 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 (%):
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CHEMICAL COMPOSITION (CAST ANALYSIS) IN% |
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Steel Grade |
C |
P≤ |
S≤ |
N (1) |
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St 37.0 |
1.0254 |
≤0.17 |
0.040 |
0.040 |
0.009(2) |
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St 44.0 |
1.0256 |
≤0.21 |
0.040 |
0.040 |
0.009(2) |
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St 52.0 |
1.0421 |
≤0.22 |
0.040 |
0.035 |
- |
MECHNICAL PROPERTIES:
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STEEL GRADE |
Tensile Strength σb(Mpa) N/mm2 |
Yield Strength σs(Mpa) (WT in mm) |
Elongation δ(%) (L=5do) |
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≤16 |
16≤40 |
40≤60 |
I |
T |
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(MIN) N/mm2 |
% (MIN) |
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St 37.0 |
1.0254 |
350-480 |
235 |
225 |
215 |
25 |
23 |
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St 44.0 |
1.0256 |
420-550 |
275 |
265 |
255 |
21 |
19 |
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St 52.0 |
1.0421 |
500-650 |
355 |
345 |
335 |
21 |
19 |
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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. Best price with good service.
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Company Info
CHANGZHOU RUIYUAN STEEL TUBE CO., LTD. [China (Mainland)]
Business Type:Manufacturer
City: Changzhou
Province/State: Jiangsu
Country/Region: China (Mainland)
