JIS G3345 Stkm11A Seamless Carbon Steel Tube for Auto

• Customization: Available
• Application: Construction, Oil and Gas, Water Supply
• Pipe Diameter: 2 inches
• Pipe Length: 20 feet
• Surface Finish: Black
• Type: Seamless
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Machinery Industry
• Section Shape: Round
• After-Sales Service: Change/Return
• Warranty: 10 Year
• Od: 4~102mm.
• Wt: 0.5-10mm
• Main Material Grade: Stkm11A, Stkm12(a, B, C), Stkm13(a, Stkm14(a
• Manufacturing Standard: JIS 3445, ASTM A519, DN2391, En10219
• Applications: Machinery, Automobiles, Bicycles, Machine Parts
• Delivery Condition: Bk, Bkw, Bks, Nbk, Gbk
• Inspection: Factory in-House, Self-Inspection, Third Party
• Loading Port: China Main Port
• Transport Package: Seaworthy Export Packing
• Specification: ASTM, JIS, DIN
• Trademark: Kingmetal
• Origin: Made in China
• HS Code: 730431
• Production Capacity: 1000ton/Year

Product Description

JIS G3345 Stkm11A Seamless Carbon Steel Tube For Auto 

To be used in Automobile and precision machinery parts,  for cars and cylinder, pressure use etc.

OD: 4-102mm
Wall thickness: 0.5-10mm

Production Standard and Steel Grade:
DIN2391 (St35, St45, St52)
ASTM A519 (1010, 1020, 1025, 1035, 1045)
ASTM A513 (1010, 1020, 1025, 1035, 1040)
BS6323 (CFS, CFS3A, CFS4-11)
EN10305-1 (E215, E235, E355)
JIS G3441 (SCM415TK, SCM430TK, SCM440TK)
GB/T3639 (10#,20#,35#,45#)

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

Type: Seamless

Length: 3 - 10 m, approximate length with tolerance +/-10 mm




Application: 
Hydraulic system
Automobile
Precision machinery parts  for cars and cylinder. 
Auto industry
Oil cylinder tube

Manufacture Process:
Synopsis of Process Routing: Quality Carbon steel - Cold Drawn - Heat Treatment Without Oxidization (NBK Status) - Nondestructive Testing- Flushing The Internal Hole With Special Equipment Under The High Pressure -Dealing With Antirust Oil On Surface - Plastic Capping On Both Ends.

 

Standard	Material
EN10305-1	E215, E235, E255, E355,C45E, 30GrMo
DIN2391	ST35, ST45, ST52, ST37.4
DIN1630	ST37.4,ST44.4,ST52.4
BS6323/4	CFS3,CFS4,CFS5,CFS8
ASTMA519	SAE1010,SAE1020,SAE1045
JISG3445	STKM11A,STKM13A
SAEJ524	SAE1010

  

Delivery Condition	Heat Treatment Process
+C	Cold drawn/hard. After the last cold forming, no heat treatment.
+LC	Cold drawn/soft.After the last heat treatment follows the cold drawing there is a light finishing pass.
+SR	Cold drawn and stress relieved annealed. After the final cold drawing process the tubes are stress relieved annealed in a controlled atmosphere.
+A	After the final cold drawing process the tubes are stress relieved annealed in a controlled atmosphere.
+N	Normalized. After the last cold drawing process the tubes are annealed in a controlled atmosphere.

Applications

Standards	Classifications		Descriptions	Applications
JIS3445 Carbon Steel Tube For Mechanical Structure	Class 11	A	STKM11A	Exhaust Pipe, Steering, Shock Absorber, Outer Diameter, Safety Handle, Print Roll, Motor Cover, Furniture
	Class 12	A	STKM12A	Cross Member, Axle Tube, Mechanical Roll, Bearing, Back Metal
		B	STKM12B	Propeller, Shaft, Oil Pressure, Cylinder
		C	STKM12C	Front Took, Front Hook
	Class 13	A	STKM13A	Propeller Shaft, Steering System, Cross Member, Kiru Pipe
		B	STKM13B	Oil Pressure Clinder, Breaking Back Metal, Mechanical Roll, Axle Tube, Propeller Shaft, Steering System
		C	STKM13C	Propeller Shaft, Axle Tube, Steering System
	Class 14	A	STKM14A	Steering System
		B	STKM14B	Cross Member, Push Tube, Axle Housing
		C	STKM14C	Axle Tube, Oil Pressure Cylinder
	Class 15	A	STKM15A	Cross Member, Frame Valve Locker Shaft, Side Member, Axle Tube, Steering System, Exhaust Tube
		C	STKM15C	Propeller Shaft

 
 Company Profile
From 1989 to now, Kingmetal Steel focus on manufacturing and distributing pipeline products including piping, fitting, flange, valve and fastener in stainless, carbon, alloy and duplex steel.
Kingmetal has a factory to manufacture seamless stainless steel pipe from DN6 to DN600 and distribute seamless steel pipe and fitting from top brand manufacturers such as Baosteel, Hengsteel, Tiansteel and Pansteel etc.
All of products are strictly compliance with standard, 100% inspection passed including visual, dimension and PMI test before shipment.
Both our sales and logistic teams are over 10 years of experiences and training frequently.
After- sales service with high efficiency, if any products are short quantity/weight or damaged caused by manufacturing, design or transportation can be compensated.

Why choose us?
One-Stop Solution
We have thousands of total production experience, from raw materials to finished products.
Competitive Price
Large scale purchase, standardized production process and efficient management make our price competitive.
Quick Shipping
Years of export experience enable us to control the transportation time more accurately.
Quality Control
The standardized production process, comprehensive management system, professional testing equipment
Special material customization
We support the customization of various complex materials
OEM/ODM
We support any form of OEM/ODM customization requirements.