1.1127 38mn6 Alloy Steel Tubes for Mechanical Purpose

1 / 5

1.1127 38mn6 Alloy Steel Tubes for Mechanical Purpose

Still deciding? Get samples of $ !

Request Sample

Send Inquiry

Product Description

Basic Information

Model NO.

38mn6

Technique

Hot-Rolled+Cold-Drawn

Material

Alloy Steel

Surface Treatment

as Required

Usage

for Oil Equipment

Section Shape

Round

Cutting Service

Available

Mtc

3.1 or 3.2 Certificate

Delivery Condition

N, Q, T

Transport Package

Seaworthy Standard Package

Specification

30-850mm

Origin

China

HS Code

7304192000

Production Capacity

50000tons/Year

Product Description

1.1127 38Mn6 40Mn2 Alloy Steel Tubes for Mechanical Purpose

Application

Parts requiring excellent fatigue resistance e.g., shafts, gears.
Various safety-critical mechanical parts.

Standard & Steel Grades

Standard: EN10297 Seamless Circular Steel Tubes for Mechanical and General Engineering Purposes

Steel Grades: EN10297: 1.1127 38Mn6

Competitive Advantage

High strength & High tenacity
Good hardenability
High resistance to thermal properties
Competitive price & Fast production leadtime

Sizes Range

OD: 40mm-810mm, WT: 2mm-100mm

Chemical Composition (%)

Grades	C	Si	Mn	P	S
40Mn2	0.37-0.44	0.17-0.37	1.40-1.80	0.025 max	0.025 max
38Mn6	0.34-0.42	0.15-0.35	1.40-1.65	0.035 max	0.035 max

Tolerances

Outer Diameter: +/-1%, or +/-0.5mm (Whichever is greater)

Scope of Outer Diameter	Ratio (WT/OD)	Tolerance
102mm max	/	+/12.5% or +/-0.4mm
102mm min	0.05 max	+/15% or +/-0.4mm
102mm min	0.05-0.10	+/12.5% or +/-0.4mm
102mm min	0.10 min	(-10%, +12.5%)

Mechanical Properties (Quenched and Tempered)

Wall Thickness (mm)	Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation (Long) %	Elongation (Trans) %
16 max	670 max	400 min	14 min	12 min
16-40	620 max	380 min	15 min	13 min
40-80	570 max	360 min	16 min	14 min

Recommended Heat Treatment

Heat Treatment	Temperatures (°C)
Annealing	650-700
Normalizing	850-880
Austenitizing	820-850
Tempering	540-680

Technical Specifications

Delivery Conditions: Hot Rolled, Stress Relieved, Annealed, Normalized, Quenched and Tempered.
Surfaces Conditions: Black surface with oxygen skin, Grinded (Ext/Int), or Peeled.
Tube ends: Square cut and deburred ends.
Certification: 3.1.B inspection certificate according to EN 10204 and ISO 10474.
Marking: Indelible ink including standard, dimensions, steel grade, and cast no.

Packaging

The hollow bar comes in strapped bundles. Minimum weight: 2000kg; Maximum weight: 5000kg, with a minimum of 4 pieces per bundle.

Frequently Asked Questions (FAQ)

1. What are the primary applications for 1.1127 38Mn6 alloy steel tubes? These tubes are ideal for safety-critical mechanical parts and components requiring high fatigue resistance, such as shafts and gears in oil equipment.

2. Which international standards do these seamless steel tubes comply with? The tubes are manufactured according to the EN10297 standard for seamless circular steel tubes for mechanical and general engineering purposes.

3. What size range is available for these mechanical purpose tubes? We offer an Outer Diameter (OD) range from 40mm to 810mm and Wall Thickness (WT) from 2mm to 100mm.

4. What kind of certifications are provided with the delivery? Each shipment is supplied with a 3.1.B inspection certificate in accordance with EN 10204 and ISO 10474 standards.

5. What are the available delivery conditions for the 38Mn6 steel grade? Delivery conditions include Hot Rolled only, Stress Relieved, Annealed, Normalized, and Quenched and Tempered (QT).

6. How is the product packaged for international transport? The hollow bars are packed in strapped, seaworthy bundles weighing between 2000kg and 5000kg to ensure safety during transport.