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1.4903, DIN X10CrMoVNb9-1, AISI A213/P91

We can produce 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 stainless steel round rods, 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 chemical composition and 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 mechanical properties.From casting, forging, steel to hot and cold rolling process, heat treatment, etc, we have the control of professional engineers. We have advanced precision machining equipment, according to the requirements of users machining. in order to achieve the most satisfied with the user requirements.

Production specification

Round bar steel: 1mm to 3500mm
Square-shape steel: 1mm to 4000mm
Plate steel:0.1mm to 4000mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-1800mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
We serve you with our honesty, integrity, and professionality.

1.4903, DIN X10Cr MoVNb9-1, AISI A213/P91

Designation by Standards

Brand Name	LH No.	Mat. No.	DIN	EN	AISI
PT950	950	Approx. 1.4903	X10Cr MoVNb9-1	-	A213/P91

Chemical Composition (in weight %)

C	Si	Mn	Cr	Mo	Ni	V	W	Others
0.10	0.35	0.45	8.50	0.95	max. 0.40	0.22	-	Nb=0.53, N=0.05, Al=max. 0.040

Description
PT950 is creep-resistant material that is generally used for temperatures up to 630^oC.

Applications
Boiler tube sector and for superheated steam fittings.

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [10³ x N/mm²]: 218, 207(200^oC), 190(400^oC), 162(650^oC)
Density [g/cm³]: 7.7
Thermal conductivity [W/m.K]: 29.2
Specific heat capacity[J/g.K]: 0.46

Coefficient of Linear Thermal Expansion 10^-6 ^oC^-1

20-200^oC	20-400^oC	20-650^oC
11.3	12.0	12.7

Annealing
Heat to 730-780^oC, cool slowly in furnace or air. Structure is martensite.

Hardening
Harden from a temperature of 1040-1090^oC followed by air or oil quenching.

Mechanical properties at ambient temperature
Condition: Normalised and annealed, for size <"130 mm
0.2 % proof stress: 450 N/mm²
Tensile strength: 630-730 N/mm²
Elongation: 19% (Longit.), 17% (Transv.)
Notch impact energy (ISO-V): 40J (Longit.), 27J (Transv.)

0.2 % proof stress in N/mm² vs. Temperature in ^oC

100^oC	150^oC	200^oC	250^oC	300^oC	350^oC	400^oC	450^oC	500^oC	550^oC	600^oC
410	395	380	370	360	350	340	320	300	270	215

Approximate values for creep rupture strength

Mean Creep Rupture Strength in N/mm² vs. Temperature in ^oC

Hours	500^oC	520^oC	540^oC	560^oC	580^oC	600^oC	620^oC	640^oC	660^oC
10 000	289	252	216	182	151	123	99	79	62
100 000	258	220	183	150	120	94	73	56	42
200 000	246	208	171	139	110	86	65	49	35

Forging
Hot forming temperature: 1100-800^oC, cool slowly. Note: Quenching and tempering treatment must always be carried out after hot forming.

Machinability
Metal-cutting machinning is the sae as for speial engineering steel gardes of corresponding strength.

Welding
The material displays good weldability. Welding must be followed by stress relief annealing with slow cooling. Filler material is MTS 3 or Thermanit from Thyssen.

Mechanical properties

1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 Mechanical properties,Our production completely according to the 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 standards to meet the 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 mechanical performance, can also according to the customer request, to meet the requirements of customers of 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 mechanical properties.

Heat treatment

1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 Heat treatment,Our production completely according to the 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 standards to meet the 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 Heat treatment, can also according to the customer request, to meet the requirements of customers of 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 Heat treatment.

Machining

1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 Machining,Our production completely according to the 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 standards to meet the 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 Machining, can also according to the customer request, to meet the requirements of customers of 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 Machining.

Welding performance

1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 Welding performance,Our production completely according to the 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 standards to meet the 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 Welding performance, can also according to the customer request, to meet the requirements of customers of 1.4903, DIN X10CrMoVNb9-1, AISI A213/P91 Welding performance.

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