DIN2391 St35 St45 St52 Cold Drawn Steel Tube

• Type: Seamless
• Technique: Cold Drawn
• Material: Carbon Steel
• Surface Treatment: Oiled
• Usage: Boiler Pipe, Hydraulic/Automobile Pipe, Machinery Industry
• Section Shape: Round
• Model NO.: KM-20210128
• Transport Package: in Bundle or Wooden Box.
• Specification: 6~100mm
• Trademark: KINGMETAL
• Origin: China
• HS Code: 7304319000
• Production Capacity: 1000 Tons Per Month

Product Description

DIN2391 ST35 ST45 ST52 cold drawn steel tubes

Product Name: Metal Tubing Round Pipe Cold Drawn Seamless Steel Tube

Material: ST35, ST45, ST52, E235, E355, E255, 4130, 1020, 1010, 1045, STKM11A, STKM13C, etc

Size Range: OD: 6-100mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m

Delivery Condition: BK, BKW, BKS, GBK, NBK

Application: For high precision purpose, auto industry, like manipulator, Shock Absorber, Transmission Shaft, Steering Gear, Car Frame, etc.

 

Stable Quality with Comeptitive Price.

NBK(Bright Annealing) Heat Treatment, Surface is clean and smooth, without oxide scale

Good Extending and Bending Ability.

 

Quality Control:

1. Incoming Raw Material Inspection

2. Raw Material Segregation to avoid steel grade mix-up

3. Heating and Hammering End for Cold Drawing

4. Cold Drawing or Cold Rolling, On line inspection

5. Heat Treatment:BKS, GBK, NBK

6. Straightening/Cutting to specified length/Finished Measuring Inspection

7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.

8. Packing and Stocking.

 

100% Eddy Current Testing.

100% Size Tolerance Checking.

100% Tube surface checking to avoid surface defects.

 

 

Product Name	Seamless Cold Drawn Precision Steel Tube
Material	ST35, St45, ST52
Delivery Condition	BK, BKW, BKS, GBK, NBK
Standard	DIN2391
Size Range	OD: 6-88mm, WT: 1-15mm
Application	High precision purpose, auto parts, oil cylinder, etc
Round Billet	Bao Steel, Xingcheng Steel, Huai Steel, Zhongtian Steel
Keyword	Cold Drawn Steel Tube
Certificate	TS16949, ISO 9001
HS code	7304319000
Delivery Time	45 days
Packing	Bundles or Wooden Boxes

 

Steel Grade		Chemical Composition
Symbol	Material Number	C Max.	Si Max.	Mn	P Max.	S Max.
ST35	1.0308	0.17	0.35	≥0.40	0.025	0.025
ST45	1.0408	0.21	0.35	≥0.40	0.025	0.025
ST52	1.0580	0.22	0.55	≤1.60	0.025	0.025

 

Steel Grade		BK		BKW		BKS
Name	No.	Rm Mpa	A %	Rm Mpa	A %	Rm Mpa	ReH Mpa	A %
ST35	1.0308	480	6	420	10	420	315	14
ST45	1.0408	580	5	520	8	520	375	12
ST52	1.0580	640	4	580	7	580	450	10

 

Steel Grade		GBK		NBK
Name	No.	Rm Mpa	A %	Rm Mpa	ReH Mpa	A %
ST35	1.0308	315	25	340--470	235	25
ST45	1.0408	390	21	440--570	255	21
ST52	1.0580	450	22	490--630	355	22