Standard:
EN 10083-3: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels
EN 10132-3: 2000 Cold rolled narrow steel strip for heat treatment. Technical delivery conditions. Steels for quenching and tempering
EN 10305-1: 2010 Steel tubes for precision applications. Seamless cold drawn tubes. Technical delivery conditions
EN 10269: 1999 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
EN 10263-4: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for steels for quenching and tempering
EN 10250-3: 2000 Open steel die forgings for general engineering purposes. Alloy special steels
EN 10297-1: 2003 Seamless circular steel tubes for mechanical and general engineering purposes. Non-alloy and alloy steel tubes. Technical delivery conditions
Grade:
42CrMo4 .
Number:
1.7225
Application of 42CrMo4 Alloy Steels:
EN 42CrMo4 alloy steel is widely used for engineering steel purpose, such as: making various kinds of machinery, automobile, mining spare part, the gearwheel of the engine, the driving gear of supercharger, the connecting rob, the pinchock under the high pressure, parts for power train applications, cold formed fastener components, shafts, gears, drill collars for the oil exploration, etc.
Heat Treatment of 42CrMo4 Steels.
1.Annealing of 42CrMo4 Steels
Heat steel 42CrMo4 forged steel slowly and thoroughly to 800-850°C;
Cool slowly in the furnace to the temperature 480°;
Complete annealing the steel in the air.
2.Quenched and Tempered (Q+T)
Heat 42CrMo4 steel slowly to 880°C;
Soak at this temperature then quench in oil;
Temper as soon as 42CrMo4 steel reach room temperature (20°C);
Heat uniformly to the suitable temperature of 560°C;
Withdraw the 42CrMo4 material from the furnace and cool in the air.
Packaging is one of the best service from us, in order to prevent the damage from transit, our finished products are packaged carefully. All of our stainless steel pipe will be packed with wooden box.and also with bubble to good protect per pipe.
Customers will be guaranteed that the product they received from us can go directly into the production and out to the customers as finished product.
Quality Assured of 42CrMo4 Alloy Steel.
Quality assured by Our ISO 9001:2008 quality management system. Our all 42CrMo4 steel all had by SEP 1921-84 ultrasonic inspection (UT Test). Quality Grade: E/e, D/d, C/c.
LIAOCHENG KUNCHENG PIPE CO.,LTD.
Manuiacture of tube and sections:
EN 10216-1, crades pi95TBi, p19STR2, P23STR1, P23STR2,P265TR1, P265TR2
DIN 1629, Grades St 37.0, St 44.0, St S2.O, Pl95GH, P23SGH, p265cH, lOCrMoS_S, 13CrMo4-5,
EN 10210-1, Grades 523SJRH, 5275JOH, S27SJ2H,S355JOH,
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PRODUCTS MENU:
Honed Tube : JIS STKM13C, DIN ST52, SAE1020 ,DIN CK45 etc.
Alloy Seamless Tube: ASME SA-335 (P5, P9, P11, P22 P91) A213 -T22/T12 etc.
Hollow seamless bar :AISI 4130 ,ASTM 4140 etc.
Carbon steel pipe :ASTM A106 Gr.B
Stainless steel pipe : 304, 316, 316L & H grades etc.
Hollow section :S235JR, S275JR, S355JR, P265GH, P355N
SERVICES MENU:
Machining:Turning , Threading , Milling , Boring , Grooving , Skiving , Trepanning , Sawing , Straightening , honing etc
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