En10297 36CrNiMo4 1.6511 Mechanical Seamless Alloy Steel Tube

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En10297 36CrNiMo4 1.6511 Mechanical Seamless Alloy Steel Tube

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Product Description

Overview & Basic Specifications

Model NO.:1.6511

Composition:36CrNiMo4

Technique:Forged/Hot Rolled/Cold Drawn

Shape:Round, Square, Rectangular, Hexagonal, Octagonal

Surface Treatment:Polished

Special Use:High-strength Steel Plate, Wear Resistant Steel, Mold Steel

Application:for Oil Equipment

Quality Inspection:UT, Chemical Composition, Physical Properties/SGS

Heat Treatment:Quenched, Tempered, Annealed

Production Capacity:1000 Ton/Month

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Product Description

36CrNiMo4 | 9840 Alloy Steel Rod

Dimensions: Hot Rolled Round: dia.10-260 mm.
Delivery Condition: EAF+LF+VD, Hot Rolled or Forged or Cold Drawn, Unmachined or Machined surface (Peeled, Turned, Grinded), Annealed, Hardness ≤ 269HB, UT 100% Passed.

Equivalent Standards:

AISI / SAE	DIN / W.Nr	JIS	GB
9840	36CrNiMo4 1.6511	----	40CrNiMoA

Chemical Composition (%):

Steel Grade	C	Si	Mn	Cr	Mo	Ni
36CrNiMo4 1.6511	0.32-0.40	≤ 0.40	0.50-0.80	0.90-1.20	0.15-0.30	0.90-1.20
9840	0.38-0.43	0.20-0.35	0.70-0.90	0.70-0.90	0.20-0.30	0.85-1.15

Main Material Classification

Category	AISI /ASTM	DIN (W.Nr)	JIS	GB
Cold Work Steel	D2	1.2379	SKD11	Cr12Mo1V1
Hot Work Steel	H13	1.2344	SKD61	4Cr5MoSiV1
Plastic Mould Steel	P20+Ni	1.2738	PX4/PX5	3Cr2NiMo
Alloy Structure	4340	1.6582	SNCM 439	40CrNi2Mo
Carbon Steel	1045	C45	S45C	45

Detailed Photos

Equipment and Process

Industry Applications

Suited for highly stressed components of large cross-sections for aircraft, automotive, and general engineering:

Packaging & Shipping

Frequently Asked Questions

What are the primary characteristics of 36CrNiMo4 steel?

It is a low-alloy steel containing chromium, molybdenum, and nickel, offering excellent hardenability, strength, and toughness for high-stress applications.

What is the equivalent grade for 1.6511?

Common equivalents include AISI/SAE 9840 and Chinese GB 40CrNiMoA.

What surface conditions can be provided?

We offer black, grinding, bright, and polished surfaces depending on your project requirements.

Are the products quality tested?

Yes, all products undergo 100% UT (Ultrasonic Testing), chemical composition analysis, and physical properties testing to meet Mill Certificate and SGS standards.

Can the length and dimensions be customized?

Absolutely. While standard lengths range from 2000-12000mm, we provide customized sizes and shapes (round, square, hex, etc.) to meet specific needs.

Is pre-heating required for welding?

Yes, pre-heat and post-weld stress relief are highly recommended. Welding should generally not be carried out in the hardened and tempered condition.

En10297 36CrNiMo4 1.6511 Mechanical Seamless Alloy Steel Tube

Product Description

Overview & Basic Specifications

Product Description

Main Material Classification

Detailed Photos

Equipment and Process

Industry Applications

Packaging & Shipping

Frequently Asked Questions

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