Annealing Structural Alloy Steel for Mechanical 1.7225 SCM440 SAE4140
China Annealing Structural Alloy Steel for Mechanical 1.7225 SCM440 SAE4140, Find details about China SAE4140 steel, Alloy steel from Annealing Structural Alloy Steel for Mechanical 1.7225 SCM440 SAE4140
Basic Info.
Model NO.
SAE4140/42CRMO/1.7225/SCM440
Special Use
Cutting Tools, Measuring Tools, Cutters in Common Steel, High-strength Steel Plate, Wear Resistant Steel
Stock
Stock
Heat treatment
Annealing/Q+T
Technology
Hot Rolled/Forged/Cold Drawn
Thickness
20-120mm
Width
2000-2200mm
Length
3000-6000mm
Certificate
ISO/Mill Certificate
Test
SGS/Ut100%/Elements Testing
Payment
30% T/T deposit, balance by L/C at sight
Delivery Quantity
Include MOQ
Lead time
7-15 days
Sample
Free
MOQ
1MT
Trademark
CF STEEL
Transport Package
Standard Export Packing
Specification
20-120*2000-2200*3000-6000mm
Origin
China
HS Code
7225401000
Model NO.
SAE4140/42CRMO/1.7225/SCM440
Special Use
Cutting Tools, Measuring Tools, Cutters in Common Steel, High-strength Steel Plate, Wear Resistant Steel
Stock
Stock
Heat treatment
Annealing/Q+T
Technology
Hot Rolled/Forged/Cold Drawn
Thickness
20-120mm
Width
2000-2200mm
Length
3000-6000mm
Certificate
ISO/Mill Certificate
Test
SGS/Ut100%/Elements Testing
Payment
30% T/T deposit, balance by L/C at sight
Delivery Quantity
Include MOQ
Lead time
7-15 days
Sample
Free
MOQ
1MT
Trademark
CF STEEL
Transport Package
Standard Export Packing
Specification
20-120*2000-2200*3000-6000mm
Origin
China
HS Code
7225401000
Product Desciption
Annealing Structural Alloy Steel for Mechanical 1.7225 SCM440 SAE4140
Perform Standard: GB/T 3077-1999
1. Chemical Composition (%)
2. 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)
3. Ready Stock
Round Bar: diameter 14-460mm.
All the sizes as require can be customerized as fresh production with MOQ.
4. Delivery Condition
1) Hot rolled, Heat Treatment,black, hardness or tempered hardness:28-34 HRC.
2) Annealing:HBS<=235.
5. 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.
6. 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;
7. Delivery Time
For abundant stock, 7-15 days.For customized products, 15-30 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.
8. Product Show
Annealing Structural Alloy Steel for Mechanical 1.7225 SCM440 SAE4140
9. About Us
Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China. With more than 20 years experience in special steel industry, our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.
To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel, Daye Special Steel. We have thousand tons of stock materials in our own factory and also can provide processing services to customers. We are full of export experience for many years, the product covers America, Germany, France, Italy, Turkey, Singapore, Thailand, Malaysia, Vietnam, Taiwan, and Middle-East.
Perform Standard: GB/T 3077-1999
1. Chemical Composition (%)
| C | Si | Mn | Cr | Mo | P | S | Ni |
| 0.38~0.45 | 0.17~0.37 | 0.60~0.90 | 0.90~1.20 | 0.15-0.25 | ≤0.018 | ≤0.030 | ≤0.012 |
2. 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)
3. Ready Stock
Round Bar: diameter 14-460mm.
All the sizes as require can be customerized as fresh production with MOQ.
4. Delivery Condition
1) Hot rolled, Heat Treatment,black, hardness or tempered hardness:28-34 HRC.
2) Annealing:HBS<=235.
5. 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.
6. 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;
7. Delivery Time
For abundant stock, 7-15 days.For customized products, 15-30 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.
8. Product Show
Annealing Structural Alloy Steel for Mechanical 1.7225 SCM440 SAE4140
9. About Us
Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China. With more than 20 years experience in special steel industry, our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.
To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel, Daye Special Steel. We have thousand tons of stock materials in our own factory and also can provide processing services to customers. We are full of export experience for many years, the product covers America, Germany, France, Italy, Turkey, Singapore, Thailand, Malaysia, Vietnam, Taiwan, and Middle-East.
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