DIN1630 High Performance Seamless Circular Steel Tubes , Black Carbon Steel Pipe manufacturer from China CHANGZHOU RUIYUAN STEEL TUBE CO., LTD.

DIN1630 High Performance Seamless Circular Steel Tubes , Black Carbon Steel Pipe

Place of Origin:

Jiangsu, China (Mainland)


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Product Detail

DIN1630 HIGH PERFORMANCE SEAMLESS CIRCULAR UNALLOYED STEEL TUBES

DIN1630 HIGH PERFORMANCE SEAMLESS CIRCULAR UNALLOYED STEEL TUBES

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%
Grade		C≤	Si≤	Mn	P≤	S≤
ST 37.4	1.0255	0.17	0.35	≥ 0.35	0.040	0.040
ST 44.4	1.0257	0.20	0.35	≥ 0.40	0.040	0.040
ST 52.4	1.0581	0.22	0.55	≤ 1.60	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)		IMPACT (DVM—TEST SAMPLE)
			≤16		16≤40		40≤65	L	T	L	T
			(MIN) N/mm²					% (MIN)		δ (MIN)
ST 37.4	1.0255	350-480	235	225		215		25	23	43	27
ST 44.4	1.0257	420-550	275	265		255		21	19	43	27
ST 52.4	1.0581	500-650	355	345		335		21	19	43	27

DIMENSION TOLERANCE:

OD (mm)	Permissible daviation in OD
	Tube Barrel and tube ends	At tube ends, subject to particular agreement 1)
≤ 100	±1% (value up to ±0.5mm are permitted)	± 0.4 mm
100 − 200	±1%	± 0.5%
> 200	Mr. Brenda Tel: 86-519-83830661 Contact to this supplier Related Search Carbon Steel Seamless Tubes Carbon Steel Seamless Pipe Seamless Carbon Steel Pipe Carbon Seamless Steel Pipe Seamless Black Steel Pipe Black Steel Seamless Pipe More>> Find more related products in following catalogs on Hisupplier.com Minerals & Metallurgy >> Metal Stocks × Company Info CHANGZHOU RUIYUAN STEEL TUBE CO., LTD. [China (Mainland)] Business Type:Manufacturer City: Changzhou Province/State: Jiangsu Country/Region: China (Mainland) View Contact Details You May Like: prev DIN1630 High Performance Unalloyed Seaml... Standard DIN17175 Round Black mild steel... PED , ISO Seamless Alloy Steel Pipe / Tu... Cold Drawn and stress relieved Seamless ... EN10305-4 Carbon Steel Precision Steel T... BS 6323-4 St35 St45 St52 Circular Precis... EN10305-4 E235 E355 Seamless Precision S... Cold Drawn Seamless Heat Exchanger and M... ASTM A192 Circular high pressure steel p... 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