1.1127 38mn6 Alloy Steel Tubes for Mechanical Purpose

• Customization: Available
• After-sales Service: Technical/Sample/Quality
• Type: Seamless
• 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
• Trademark: SHUNFU
• 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 eg. shafts, gears.
• Various safety-critical mechanical parts.

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

Outer Diameter Tolerances

+/-1%, or +/-0.5mm (Chose the bigger one)

Wall Thickness Tolerances

Scope of Outer Diameter	Ratio of Wall Thickness and Outer Diameter (WT/OD)	Tolerance
102mm max	/	+/12.5% or +/-0.4mm (Chose the bigger one)
102mm min	0.05 max	+/15% or +/-0.4mm (Chose the bigger one)
102mm min	0.05-0.10	+/12.5% or +/-0.4mm (Chose the bigger one)
102mm min	0.10 min	(-10%, +12.5%)

Delivery Conditions

Hot Rolled only
Stress Relieved
Annealed
Normalized
Quenched and Tempered

Surfaces Conditions

Black surface with oxygen skin
Grinded for external or internal surface, or external and internal surface
Peeled for external or internal surface, or external and internal surface

Mechanical Properties (Quenched and Tempered) (T=20°C if not differently stated)

Wall Thickness (mm)	Tensile Strength (Mpa)	Yield Strength(Mpa)	Elongation (Longitudinal) (%)	Elongation (Transverse) (%)
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 Temperatures

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

Tube ends:
The hollow bar comes with square cut and deburred ends.

Certification:

The hollow bar is supplied with 3.1.B inspection certificate,according to the standards EN 10204 and ISO 10474.

Identification and Marking:

The hollow bar is marked in indelible ink, the details being repeated along the entire length of each tube and on a label, as follows:
Manufacturer's trademark - manufacturing standard - dimensions -steel grade - supply condition - cast no. - item number.

Packaging:

The hollow bar comes in strapped bundles. The minimum weight of each bundle is 2000kg; the maximum bundle weight being 5000kg, with a minimum of 4 pieces