• DIN 22NiCrMor4-7 round bar
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  • DIN 22NiCrMor4-7 sheet
  • DIN 22NiCrMor4-7 flat bar
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Home > Structural Steel > DIN 22NiCrMor4-7

DIN 22NiCrMor4-7

LonghaiSteel supply domestic and overseas customers with DIN 22NiCrMor4-7 steel plate, DIN 22NiCrMor4-7 flat steel, DIN 22NiCrMor4-7 steel sheet, DIN 22NiCrMor4-7 wire coil, DIN 22NiCrMor4-7 square bar, DIN 22NiCrMor4-7 round rod, DIN 22NiCrMor4-7 steel pipe, DIN 22NiCrMor4-7 forged valve body, DIN 22NiCrMor4-7 forged steel rings, DIN 22NiCrMor4-7 forged multidiameter shafts. Through many years' production experiences,we strictly control DIN 22NiCrMor4-7 chemical composition and mechanical properties from casting, forging, rolling, heat treatment, etc. We have advanced precision machining equipments with a higher productioncapacity,bringinga best service and affordable prices to customersfrom all over the world.

Steel material of DIN 22NiMoCr4-7 alloy structural steel with superior quality, prompt delivery and the competitive quotation.
And specific feature is as follows:

Chemical composition of alloy structural steel 
Material specification: DIN EN 10083-3 (2006), DIN 17200 (1987) 
Category: hardened and tempered steel  
Steel grade: DIN 22NiMoCr4-7 / W-Nr. 1.6755
C(%):     0.17~0.27
Si(%):    ≤0.40
Mn(%):   0.50~1.00
P(%)≤:   0.035
S(%)≤:   0.035
Cr(%):    0.30~0.50
Mo(%):   0.50~0.80
Ni(%):    0.60~1.20
Other (%): -
Hot working, Heat treatment practice, Mechanical properties
Hot working temperature /℃:    1050~850
Heat treatment temperature /℃| annealing:     650~700
Heat treatment temperature /℃| Normalizing:  850~880
Heat treatment temperature /℃| Quenching:    -
Heat treatment temperature /℃| Tempering :  -
Hardness after annealing ≤HBS:    -
Steel dimension /mm:   101 - 160
|σb≥/MPa:  560 ~ 710
|σs≥/MPa:  400
|δ5≥/(%):   1-
|ψ≥/(%):     -
|AKV≥/J:     41

Main features and application field 
structural steel is provided with higher yield strength, tensile strength, endurance strength, yield ratio (about 0.85 generally ) enough plasticity and toughness. The concentration of alloy element of this kind of steel is quite high, mainly are corrosion resistant steel, heat resistant steel, wear resistant steel, and other special steels of physical and chemical properties. Alloy structural steel has preferable mechanical property than that of carbon structural steel, high performance of heat treatment especially. 
Alloy structural steel are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on. 
Manufacturing technique 
According to the steel grade and quality requirement, the melting of alloy structural steel can adopt basic oxygen furnace, open-hearth furnace, electric arc furnace, electroslag remelting, vacuum degassing, and appropriate heat treatment. 

LonghaiSteel have owned advanced production equipment and a team of professional design teamstrict implementation of ISO9001 quality management system, Specializing in high quality steel and best processing service. Hot forging/rolling, cold roll/drawn, cold/hot working, extrusion of steel, mechanical processing services
We manufacture and supply steel products with following specifications:
Round bar / Wire rod (Diameter):  0.50mm to 3000mm
Square bar / Flat bar: 3mm to 2000mm
Plate / Sheet steel / Steel strip: 0.1mm to 2500mm
Width: 8mm to 2500mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering
any other conditions based on the customer's requirement
Surface conditions: scaled (hot working finished)/ground/rough machining/fine machining
based on the customer's special requirements.
Furnaces for metallurgical processing: EAF + LF/ VD/ VOD/ AOD/ ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfection or based on the customer's requirement.
Excellent service for all kinds of industries
With advantages of technologies, equipment and price strategy.
Warehouse Stock: Round bar & Disc (Form)
17-4PH, 15-5PH, ASTM 630,
 S17400, X5CrNiCuNbl6-4, DIN 1.4542
202, 201, 2507, 
2205, 316Ti, 301A, 302, 303, 304L, 304S, 310S, 314, 316L, 316LF, 317L, 321
616, 440B, 440C, 431, 430FR, 430F, 430, 422, 416, 410, 405
DIN 1.4731, DIN 1.4021, DIN 1.4016, 
DIN 1.4571, DIN 1.4418, DIN1.4104, DIN 1.4057
DIN 1.4913 (forged disc Diameter 300 X thickness 200), DIN 1.4935, DIN 1.4988, DIN 1.4986
DIN 1.4922, DIN 1.4923, ASTM 216 (Flat bar 18X 150 X1500)
Contact: David Chiu
Manager // LonghaiSteel Co.,Ltd
ADD:Jiangdong Road,Sanhe Town,621700,Jiangyou,SC,China
Tel: 86-816-3307163
Fax: 86-816-3639422
Cell: 0086 01538 6611 557
Skype: topspecialsteel

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