DIN 13crmo44 Hot Rolled Round Alloy Round Steel Bars

DIN 13CrMo44 Hot Rolled Round Alloy Round Steel Bars
Alloy steel round bars
Alloy steel bars
13CrMo44 round bars
forged round bar
carbon steel round bars
hot rolled steel bars

1.Designation by Standards

Brand Name	Ravne No.	Mat. No.	DIN	EN	AISI
13CRMO44	762	1.7335	13CrMo44	13CrMo4-5	A 182 Grade F11

2.Chemical Composition (in weight %)

C	Si	Mn	Cr	Mo	Ni	V	W	Others
0.14	max. 0.40	0.55	0.98	0.60	-	-	-	max. Cu = 0.30

3.Description
Alloy special structural steels. Cr-Mo-steels with > 0.35% Mo.
Applications
High-temperature structural steel: Collectors, water boiler and superheater tubes (530oC).
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.85
Soft Annealing
Heat to 680-720oC, cool slowly in furnace.
Hardening
Harden from a temperature of 910-940oC followed by oil or air quenching.
Tempering
Tempering temperature: 650-720oC.

4.Mechanical Properties in Hardened and Tempered Condition

Diameter in mm	0.2 % proof stress (N/mm2)	Tensile strength (N/mm2)	Elongation (%)	Impact strength (J)
up to 60	295	440-590	20	44
61-90	285	440-590	20	44
91-150	275	440-590	20	44

0.2 % Proof Stress (N/mm2) vs. Temperature

100oC	150oC	200oC	250oC	300oC	350oC	400oC	450oC	500oC
260	245	240	230	215	200	190	180	175
250	240	230	220	205	190	180	170	165
250	235	220	210	195	180	170	160	155

1 % Creep Limit (N/mm2) vs. Temperature (oC)

Hours	450oC	460oC	480oC	500oC	520oC	540oC	560oC
10 000	245	228	193	157	122	90	64
100 000	191	172	133	98	70	46	30

Creep Rapture Strength (N/mm2) vs. Temperature (oC)

Hours	450oC	460oC	480oC	500oC	520oC	540oC	560oC
10 000	370	348	304	239	179	129	91
100 000	285	251	190	137	94	61	40
200 000	260	226	167	115	76	50	32

Forging
Hot forming temperature: 1100-850oC. 
Machinability
No data.
Forms manufactured: Please see the Dimensional Sales Program. 

Company Information

Bozhong Group Mainly supply in forms of coil, sheet, plate, rod, bar, tube, pipe, beam, angle, flange, wire, strip, channel, etc., with various varieties, wide range of dimensions, high purity, stable chemical composition, high dimensional accuracy and excellent surface quality. The products are mainly used in the fields of industries such as automobile engineering, railway transportation, aviation, aerospace, machinery, petrochemical, energy, environmental protection, offshore, chemical, oil & gas, ilitary, power plant, nuclear power, pressure vessel, boiler equipment, mold manufacture, etc.

steel coil
steel plate
steel sheet
steel bar/rod
steel round bar
steel flat bar
steel square bar
steel pipe/tube ( welded or seamless )
steel round pipes
steel square pipes
steel welded tubes
steel seamless tubes
steel strip
steel beam
steel angle
steel channel
steel flange
steel wire
 
Bozhong Group can supply a variety of structural steel, high-strength steel, wear-resistant steel plate, boiler and pressure vessel steel, marine engineering and Stainless Steel plate in the thick steel and various European standard bars and pipes and profiles.Our global sales and service network throughout all around the world to ensure that the goods reach the customer in the shortest time.
 
We can follow your drawings and requirements, to provide you with oxygen cutting, plasma cutting and laser cutting and other processing services. You can also perform ultrasonic testing in accordance with EN10160 standard, EN10164 standard test Z15, Z25, Z35, weld bending detection, PWHT detection,etc.
 
We have ISO9001: 2000 quality management system certification, and obtain the quality certification from all the well-known certification company, including TuV / LRS / GL / CE and so on.
 
Special steel includes as below:
Boiler and pressure vessel steel
Pipeline steel
Bridge steel
Nuclear power steel
Structural steel
Die steel
High strength steel
Abrasion resistant steel
Weathering, corrosion resistant and fire resistant steel
High rise building steel
Shipbuilding and offshore engineering steel
 
FAQ
Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price.
 
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.
 
Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material don't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.
 
Q: What is the payment term?
A: T/T or L/C.
 
Q: Can you provide a sample for our testing before confirm the order?
A: Yes. We can provide sample to you for approval before you place an order to us. Free sample is available if we have stock.
 
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come. 

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