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STKM 11A Carbon Steel Seamless Tube for Machine Structural Applications

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STKM 11A Carbon Steel Seamless Tube for Machine Structural Applications

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Brand Name :	TORICH
Model Number :	STKM 11A
Certification :	ISO9001 ISO 14001 TS16949
Price :	900-1200 USD/Ton
Payment Terms :	L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability :	60000 Ton/Tons per Year
Delivery Time :	20-30days upon products

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STKM 11A Carbon Steel Seamless Tube for Machine Structural Applications

STKM 11A Carbon Steel Seamless Tubes – Precision Pipes for Machine Structural Applications

Material Overview

The STKM 11A, SAE 1010, and ST37 carbon steel seamless tubes are low-carbon steels designed for mechanical and structural applications requiring precision and formability. Manufactured according to JIS G3445, these tubes offer excellent machinability, weldability, and dimensional accuracy, making them suitable for various industries, including automotive, machinery, and furniture manufacturing.

Specifications

Chemical Composition

The following table outlines the chemical compositions of STKM 11A, SAE 1010, and ST37:

Steel Grade	C (%)	Mn (%)	Si (%)	P (%)	S (%)
STKM 11A	≤0.12	≤0.60	≤0.35	≤0.040	≤0.040
SAE 1010	0.080–0.13	0.30–0.60	≤0.35	≤0.040	≤0.050
ST37	≤0.17	≤1.40	≤0.35	≤0.045	≤0.045

Mechanical Properties

The mechanical properties of STKM 11A, SAE 1010, and ST37 are as follows:

Steel Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)
STKM 11A	≥205	410–540	≥35
SAE 1010	172–315	310–430	29–45
ST37	≥225	340–510	≥26

Key Features

Cold-Drawn Precision: Manufactured using cold-drawing techniques to achieve tight tolerances and smooth surface finishes.
Excellent Formability: Low carbon content enhances the ability to form and shape without compromising strength.
High Weldability: Suitable for welding processes, making it ideal for complex assemblies.
Versatile Applications: Applicable in various mechanical and structural applications requiring precision and durability.

Standards Compliance

JIS G3445: Carbon steel tubes for machine structural purposes.
ASTM A513 MT1010: Specification for electric-resistance-welded carbon steel mechanical tubing.
DIN 2391 St37: German standard for seamless precision steel tubes.

Applications

STKM 11A, SAE 1010, and ST37 seamless tubes are widely used in:

Automotive Industry: Manufacturing of chassis components, suspension parts, and structural frames.
Bicycle Manufacturing: Production of frames and handlebars.
Furniture Industry: Fabrication of tubular furniture frames.
Appliance Manufacturing: Construction of structural parts in household appliances.
General Machinery: Used in various machine parts requiring high precision and strength.

Equivalent Grades and Standards

STKM 11A is equivalent to several international steel grades, including:

SAE 1010: A low-carbon steel grade commonly used in the automotive industry.
AISI 1010: An American Iron and Steel Institute designation for low-carbon steel.
ASTM A513 MT1010: A specification for electric-resistance-welded carbon steel mechanical tubing.
DIN 2391 St37: A German standard for seamless precision steel tubes.

STKM 11A Carbon Steel Seamless Tube for Machine Structural Applications

Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.

Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock,

it is according to quantity.

Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.

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