Seamless Cold Drawn Bright Anneal Surface Stkm 11A Tube

• Type: Seamless
• Technique: Cold Drawn
• Material: Carbon Steel
• Surface Treatment: Oiled
• Usage: Special Purpose, Machinery Industry, Chemical Industry, Thermal Equipment, Mining, Construction & Decoration
• Section Shape: Round
• Model NO.: KM-286
• Certification: API, CE
• Application: Structure Pipe, Boiler Pipe, Hydraulic Pipe
• Size: 1/2′′-24′′
• Wall Thickness: 1mm-20mm
• MOQ: 1 Ton
• Loading Port: Chinese Main Port
• Delivery Time: 7-30 Days Ex Mill
• Length: 3m,5.8m,6m,8m and 12m or According to Customers′ R
• Transport Package: Standard Sea-Worthy Package
• Specification: 1/2"~12"
• Trademark: Kingmetal
• Origin: China
• HS Code: 730431
• Production Capacity: 20000 Ton/Tons / Month

Product Description

Specifications

auto spare part precision tube: 
1. MOQ:5MT 
2. DN:3/8"-10" 
3. Annealed pipes 
4. Tolerance:OD +/-0.05-0.20mm

 

auto spare part precision tube specifications

 

Standard	ASTM, BS, JIS, DIN,GB
Steel Grade	ASTM A53 A-A106B,SAE1045, GB 10#-45#,DIN st35-st45,BS 1387,JIS S45C
DN	3/8"-10"
W.T.	2mm-25mm
Length	1-6m
End protection	plastic caps
Packing	Wrapped in bundles by steel strips
Delivery	by container
Third party inspection	SGS/BV
Production Capacity	200,000tons per year
Delivery time	20 days
Application	Machinery, road and construction fields, lifter, tower crane, automobile and structure, etc.
Main market	Asia, India, Middle East, America, Europe

DIN St37.4

Chemical Composition(%)									Mechanical Property
C	Si	Mn	S	P	Cr	Ni	Cu	Mo	Yield Strength	Tensile Strength
									( σs )	( σb )
0.07~0.17	0.15~0.35	0.40~0.70	≤0.025	≤0.025	≤0.15	≤0.25	≤0.25	/	≥235  (MPa)	≥315
										(MPa)
End Shape	Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's requirements
Surface	Oiled, Galvanized, Phosphate etc
Treatment
Technique	Cold drawn
Application	1. Automotive and mechanical pipes
	2. Petroleum cracking pipes
	3. High Pressure Boiler Pipe
	4. Low and middle pressure fluid transportation pipeline
	5. Chemical fertilizer equipment pipes
	6. Heat exchanger pipes
Delivery	1. BK (+C)	No heat treatment after last cold forming process.
Conditions	2. BKW (+LC)	After last heat treatment there is a light finishing pass (cold drawing)
	3. BKS (+SR)	After the final cold forming process the tubes are stress relieve annealed.
	4. GBK (+A)	After the final cold forming process the tubes are annealed in a controlled atmosphere.
	5. NBK (+N)	After the final cold forming process the tubes are annealed above the upper transformation point in acontrolled atmosphere.
Package	1. Bundle Packing.
	2. Plain end or vanished as per customer's request.
	3. Wrapped in waterproof paper.
	4. Sackcloth with several steel strips.
	5. Pack in heavy tri-wall boxes.