BKS BKW NBK Alloy Steel Tubes SCM418TK SCM420TK SCM430TK for
Automobiles , Thin Wall Tube
Quick Detail
Standards: JIS G3441
Grade: SCr420TK SCM415TK SCM418TK SCM420TK SCM430TK SCM435TK
SCM440TK
Size (mm):
Out Dimensions: 6mm ~ 350mm
Wall Thickness: 0.8mm ~ 35mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)
Description
Standards: JIS G3441
Grade: SCr420TK SCM415TK SCM418TK SCM420TK SCM430TK SCM435TK SCM440TK
Size (mm):
Outer Dimensions: 6mm ~ 350mm
Wall Thickness: 0.8mm ~ 35mm
Length: max 24000mm
Application: Tubes used for machinery, automobiles, bicycles, furniture,
appliances and other machine parts.
Packing: Beveled/black painting/ plastic caps/ in bundles/ steel strips/
wooden protection
Inspection and Test: Chemical Composition Inspection, Mechanical Properties
Test(Tensile Strength, Yield Strength,Elongation, Flaring,
Flattening, Bending, Hardness, Impact Test),Surface and Dimension
Test,Nodestructive Test, Hydrostatic Test.
Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Mark: As requested.
Delivery Condition:Annealed, Normalized, Normalized and Tempered
Si Size range of JIS G3441 Alloy Steel Tubes
Tolerance on Outside Diameter in JIS G3441
O.D.(mm) | Tolerance(%) |
<13 td> | 0.25 |
<13-25 | 0.40 |
<25-40 | 0.60 |
<40-65 | 0.80 |
<65-90 | 1.00 |
<90-140 | 1.20 |
<140 | By agreement |
Tolerance on Wall Thickness in JIS G3441
W.T.(mm) | Tolerance |
< td> | -0.5,+0.6 |
<4 | -12.5%, +15% |
How to Test JIS G3441 Alloy Steel Tubes
Chemical Component Analysis, Mechanical Properties (Ultimate
tensile strength, Yield strength, Elongation)
Technical Properties (Flattening Test, Flaring Test, Bending Test,
Hardness Test, Blow Test, Impact Test etc)
Exterior Size Inspection.
Mill Test Certificate:EN 10204/3.1B
Delivery Condition:BKS, NBK,BK ,BKW, GBK(+A), NBK(+N), BK(+C)
JIS G3441 Alloy Steel Tubes Chemical composition Limits(%):
Steel grade | Steel grade(old) | C | Si | Mn | P | S | Cr | Mo |
SCr420TK |
| 0.18~0.23 | 0.15~0.35 | 0.60~0.85 | <0 td> | <0 td> | 0.90~1.20 | 0.15~0.30 |
SCM415TK |
| 0.13~0.18 | 0.15~0.35 | 0.60~0.85 | <0 td> | <0 td> | 0.90~1.20 | 0.15~0.30 |
SCM418TK |
| 0.16~0.21 | 0.15~0.35 | 0.60~0.85 | <0 td> | <0 td> | 0.90~1.20 | 0.15~0.30 |
SCM420TK |
| 0.18~0.23 | 0.15~0.35 | 0.60~0.85 | <0 td> | <0 td> | 0.90~1.20 | 0.15~0.30 |
SCM430TK | As STKS1 | 0.33~0.38 | 0.15~0.35 | 0.60~0.85 | <0 td> | <0 td> | 0.90~1.20 | 0.15~0.30 |
SCM435TK | As STKS3 | 0.33~0.38 | 0.15~0.35 | 0.60~0.85 | <0 td> | <0 td> | 0.90~1.20 | 0.15~0.30 |
SCM440TK |
| 0.38~0.43 | 0.15~0.35 | 0.60~0.85 | <0 td> | <0 td> | 0.90~1.20 | 0.15~0.30 |
Applications
JIS G3441 Alloy steel tubes for machine purposes
Product Photo
Factroy Pictures
Pipe & Tube Processing
Steel Pipe & Tube Application
Packaging and Shipping
Certificates
FAQ
Q1: ARE YOU FACTORY OR TRADER?
A1: Wuxi Sylaith Special Steel Co.,Ltd is a manufacturer of steel
pipe and tube since 2010.
We've gained our Export Right and become an integrated company of
industry and trade in order to satisfy buyer's multi-request on
different material and products.
Q2: WHICH MATERIAL/PRODUCTS YOU CAN PROVIDE?
A2: Seamless Stainless Steel Pipe / Tube, Seamless Carbon Stainless
Steel Pipe /Tube,Galvanized Steel Tube witn any Shape and Welded
pipes can also be available.
Q3: HOW TO GET A SAMPLE?
A3: FREE samples are available for your checking and testing. And
to get free samples, you need to send us you detailed receiving
address (including post code) and your DHL/FedEx/UPS account for
collecting samples, courier cost will be paid in your side.
Q4:CAN YOU PRODUCE THE PRODUCTS ACCORDING TO MY OWN DRAWINGS?
A4: Yes, we can produce the products according to your drawings
that will be most satisfy you.
Q5: HOW TO VISIT YOUR FACTORY?
A5: Most of the main cities have flights to Shanghai; you can take
flight to Shanghai Putong/Hongqiao International Airport.
If you come from Hongkong, it will take 2 hours by flight (every
day 5 flight around noon time).
