Customized DIN1629 Unalloyed Cold Drawn Seamless Tube for pipe - line , machine design manufacturer from China CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

Customized DIN1629 Unalloyed Cold Drawn Seamless Tube for pipe - line , machine design

Place of Origin:

Jiangsu, China (Mainland)


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Product Detail

DIN1629 COLD DRAWN SEAMLESS UNALLOYED STEEL TUBE WITH SPECIAL REQUIREMENTS

DIN1629 COLD DRAWN SEAMLESS UNALLOYED 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 (%):

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 , truth and careful attitude on communication and production.