NBK Precision Seamless Steel Tubes from China manufacturer

Price:	800.0 USD
Payment Terms:	T/T,L/C
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Means of Transport: Ocean

Packing: Standard Export Package

Technique: Cold Drawn

Grade: St35,ST45,ST52

Thickness: 1--15mm

Usage: Auto parts use

Section Shape: Round

Payment Terms: TT

Production Capacity: 2500 tons/month

Delivery Date: 45 days

Brand Name: New Era

Outer Diameter: 6--102mm

Length: max 12000mm

Certification: ISO 9001-2008, TS16949

HS code: 73043190

Standard: DIN 2391
Size(mm): O. D.: 6-102 W. T.: 1-15 L: Max 12000
Good Quality with Bright Surface
Good Bending ability

Standard:Precision Seamless Steel Tubes DIN 2391/EN 10305-1

Material:ST35,ST37.4,ST37,ST45,ST52,ST52.4,E235,E255,E355,SAE1010,SAE1020

OD:6MM-102MM,WT:1-15mm

Delivery State:NBK

Raw material:Bao Steel,Huai Steel,XingCheng Steel with good quality.

Length:5.8m,6m.

Package:Bundles or wooden cases.

Surface Anti-rust:Both outside and internal tube surface flushing with anti-rust oil.

Surface quality:very smooth and bright without oxide scale,pock,strach,crack and other defects..

High working pressure,better extending rate and strength property,after bending with no deformation,after flattening and flaring process with no crack.

Test:Tensile Strength Test,Flaring and flattening test ,Hardness Test,Chemical Compositon Test

Grade	ChemicalComposition( % )
Grade	C max	Si max	Mn	P max	S max
St 35	0.17	0.35	≥ 0.40	0.025	0.025
St 45	0.21	0.35	≥ 0.40	0.025	0.025
St 52	0.22	0.55	≤ 1.60	0.025	0.025

Mechanical Properties (Mpa):

Steel grade	cold drawing lucencyhardness BK		cold drawing lucencyhardness BKW		drawing lucency stress free anneal BKS			Anneal GBK		Normalization NBK
Steel grade	Tensile Strength Rm N/mm min	Elongation % min	Tensile Strength Rm N/mm min	Elongation % min	Tensile Strength Rm N/mm min	Yield Strength ReH N/mm min	Elongation % min	Tensile Strength Rm N/mm min	Elongation % min	Tensile Strength Rm N/mm min	Yield Strength ReH N/mm min	Elongation % min
St35	480	6	420	10	420	315	14	315	25	340-470	235	25
St45	580	5	520	8	520	375	12	390	21	440-570	235	21
St52	640	4	580	7	580	420	10	490	22	490-630	355	22