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Guangzhou Changfeng Steel Co., LTD
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1.7225 SAE4140 SCM440 Hot Rolled Alloy Tool Steel Plate High Yield Strength

China Guangzhou Changfeng Steel Co., LTD certification
China Guangzhou Changfeng Steel Co., LTD certification
Gold supplier! Arranged shipment very fast, quality is super good. They are one of our best suppliers, will do more business with them in the future!

—— Ms Nguyen Thi Hong

We bought 7 containers from them in 2017, no quality problems. The boss is very nice and professional, good business parner!

—— Mr. Wan Rusli

Good job! Shipment was arranged fast, giving lots of good suggestions before place order, saved me time and money.

—— Mrs. Natntia Jitaniyompanich

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1.7225 SAE4140 SCM440 Hot Rolled Alloy Tool Steel Plate High Yield Strength

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Large Image :  1.7225 SAE4140 SCM440 Hot Rolled Alloy Tool Steel Plate High Yield Strength

Product Details:
Place of Origin: China
Brand Name: BAO STEEL
Certification: ISO/TUV
Model Number: 1.7225/ SAE4140/SCM440/42CrMo
Payment & Shipping Terms:
Minimum Order Quantity: 3MT
Price: USD1000-1200/MT
Packaging Details: bundles/wooden case
Delivery Time: 15-20days
Payment Terms: L/C, T/T
Supply Ability: 1000tons/M
Detailed Product Description
Steel: Alloy Shape Option: Flat Bar/Plate/Round Bar
Delivery Condition: Black Surface/Machined/Peeled/Polished/Bright Application: Make Vane, Shaft, Bolt Of Large Steamer
High Light:

alloy steel plate

,

special alloy steel

1.7225 SAE4140 SCM440 Hot Rolled Alloy Tool Steel Plate
Perform Standard: GB/T 3077-1999
Chemical composition(%):

CSiMnCrMoPSNi
0.38~0.450.17~0.370.60~0.900.90~1.200.15-0.25≤0.018≤0.030≤0.012


1, Application:
It used for section large forgings, such as locomotive traction gears, with supercharger drive gear, the rear axle, the connecting rod and the spring load greatly clip,oil drill pipe joints and fishing tools,etc.

2, Available size(mm):

Flat Bar Size(mm)Round bar Size(mm)
ThicknessWidthLengthDiameterLength
10-200155-22002000-600020-2003000-6000


3, Feature:
1) Weldability suffers with increasing chromium content;
2) High temperature strength and high pressure hydrogenation properties are promoted by chromium and molybdenum;
3) Molybdenum significantly reduces temper brittleness;
4) Chromium renders steel oil hardenable and increase hardenability;
5) Chromium molybdenum high tensile steel with yield strength of 550N/mm2;
4, Heat treatment:

QuenchingTempering
Heating temperature/ºCCooling wayHardness (HRC)Tempering
temperature
/ºC
Cooling wayHardness
(HRC)
850-880Oil Cooling50-52450-650Air cooling≥48


5, Mechanical Properties:
Tensile strength:σb (MPa):≥1080(110)
Yield strength:σs (MPa):≥930(95)
Elongation:δ5 (%):≥12
Section shrinkage:ψ (%):≥45
Impact work:Akv (J):≥63
Impact toughness value:αkv (J/cm²):≥78(8)
6, Ready Stock:
Round Bar diameter 14-460mm.All the sizes as require can be customerized as fresh production with MOQ.
7, Delivery state:
Hot rolled, Heat Treatment,black, hardness or tempered hardness:28-34 HRC.
Annealing:HBS<=235.
8, Delivery time:
For abundant stock, 15-20 days.For customized products, 30-50 days.
We have full set of equipement (sawing machine/grinding/polishing machine) to make customer's specification.
Listed specifications are only typical grades; products of required specifications can be developed/produced per international, Chinese or industry standards, or based on agreements with customers.
Our service:

1: We promise the final order quality will be consistercy as sample order.
2: We can offer you variation quality.
3: Trustworthy
We hope we become your trustworthy supllier in china.
4: We hope we can be your honest dealer.
5: We never crook our customers.
6: If you check black list you will not find our name.

Corner of factory:
1.7225 SAE4140 SCM440 Hot Rolled Alloy Tool Steel Plate
1.7225 SAE4140 SCM440 Hot Rolled Alloy Tool Steel Plate
1.7225 SAE4140 SCM440 Hot Rolled Alloy Tool Steel Plate
1.7225 SAE4140 SCM440 Hot Rolled Alloy Tool Steel Plate

Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Echo

Tel: +86 18148729336

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