Annealing Hot Rolled Steel Bar Tensile Strength 1080mpa For Mechanical Sae4140 - China
price: check with company for price
1.7225 / SCM440 / SAE4140 Hot Rolled Alloy Steel Round Bar for Mechanical 1, Equivalent grades: - - - -
GB(China) | DIN(German) | AISI(USA) | JIS(Japan) | 42CrMo | 1.7225 | SAE4140 | SCM440 | - - - - 2, Perform Standard: GB/T 3077-1999 - - - -
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 | - - - - 3, Available size(mm) - - - -
Flat Bar Size(mm) | Round bar Size(mm) | Thickness | Width | Length | Diameter | Length | 10-200 | 155-2200 | 2000-6000 | 35-260 | 3000-6000 | - - - - 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.
4, 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.
5, Mechanical Properties:
Tensile strength: b (MPa): 1080(110)
Yield strength: s (MPa): 930(95)
Elongation: 5 (%): 12
Section shrinkage: (%): 45
Impact work: Akv (J): 63
Impact toughness value: kv (J/cm): 78(8) 6, Heat treatment: - - - -
Quenching | Tempering | Heating temperature/ | Cooling way | Hardness (HRC) | Tempering
temperature/C | Cooling way | Hardness
(HRC) | 840-880 | Oil Cooling | 53 | 450-650 | Air cooling | 25-40 | - - - - 7, 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; 8, Ready Stock: Round Bar diameter 35-260mm.
All the sizes as require can be customerized as fresh production with MOQ.
9, Delivery state:
Hot rolled, black, hardness or tempered hardness: 28-34 HRC.
Annealing: HBS<=235 - 10, Delivery time:
For abundant stock, 15-20 days.
For customized products, 30-50 days.
We have full set of equipement (sawing machine/grinding/polishin g machine) to make customer's specification.
11, Our service: 1) Sizes, materials and others are all at your requirements and can be changed; 2) Price varies on materials, dimensions, finish craft and different payments; 3) We are direct manufacture in machinery manufacturing work with experience of several decades; 4) Detail production design will be made according to information you offered; 5) We have adequate inventory, so that we can quick delivery; 6) The most important is that we have advanced equipment.
Products show:
Company Contact:
- Posted By: Guangzhou Changfeng Steel Co., LTD
- Phone: 86-020-82515856
- Address: Rm B802, Budong Business Building, No. 403 Dashadidong, Huangpu District, Guangzhou, Guangdong, Chin, Guangzhou , Guangdong , China
- Email:
- Website: https://www.hotwork-toolsteel.com
Published date: January 31, 2018
- Business Description: Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China.
With years experience in special steel industry, our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel.
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