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Huangshi Chengquan Metal Material Co., Ltd.

Quenched and Tempered Steel, Alloy Steel, DIN1.7225 Alloy Steel manufacturer / supplier in China, offering Alloy Steel DIN1.7225 Quenched and Tempered Steel, DIN1.3333 Skh51 Hs3-3-2 High Speed Tool Steel, 1.1231, Ck67, ASTM1070, GB70 Spring Steel (DIN17222) and so on.

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Alloy Steel DIN1.7225 Quenched and Tempered Steel

FOB Price: US $400-5,000 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $400-5,000/ Ton
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Port: Shanghai, China
Production Capacity: 500tons Per Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: DIN1.7225
  • Standard: DIN
  • Technique: Hot Rolled
  • Surface Treatment: Black, Grinded, Peeled, Rough Turned, Polished
  • Application: Die Steel Bar
  • Similar Grades: DIN1.7225, SAE 4137h, Scm4h, 708m40
  • MOQ: 1t
  • Transport Package: Seaworthy Packing
  • Origin: Huangshi, China
  • Type: Flat
  • Composition: Ferrous Steel Scrap
  • Shape: Flat
  • Special Use: High-strength Steel Plate
  • Size Range: 4-1000mm
  • Quality Standard: BS En ISO 4957
  • Trademark: Chengquan
  • Specification: 1.7225, SCM4H, 708M40
  • HS Code: 7228600000
Product Description
DIN1.7225 708M40 SAE4137H SCM4H Quenched and Tempered Alloy Steel

Similar Grade: DIN1.7225, SAE 4137H, SCM4H, 708M40

Shape: round, flat, square.

Size Range:
 Diameter(mm)Thickness (mm)Width (mm)Length(mm)
Steel-making Condition: EF, EF/EAF+LF+VD, EF/EAF+ESR

Delivery Condition:
Annealed , Quenched + Tempered

Surface Condition: 
Black, Grinded, Peeled, Rough turned, Polished

Mechanical Properties:(T=20°C if not differently stated)

Tensile Strength (Mpa): 850-1000
Yield Strength(Mpa): 650 min
Fracture elongation A5 (%): 13 min
Notch impact energy ISO-V [J]: 35 min
Hardness (HB): 248-302
1. Competitive price
2. Immediate delivery
3. Premium quality
4. Reliable service
Packing detailsIn seaworthy packing, as your requirement.
Delivery detailswithin 30-50 days
Chemical Composition:

Heat Treatment:
Forging: Preheat 1.7225 carefully, then raise temperature to 850-1200ºCfor forging. Do not forge below 850ºC. After forging 1.7225, cool slowly in still air.
Annealing: Heat SAE 4137H slowly to 680-700ºC. Cool in air.
Hardening:SAE 4137H is commonly supplied ready heat treated. If further heat treatment is required annealed 1.7225 should be heated slowly to 860-890ºC and after adequate soaking at this temperature quench in oil. Temper as soon as tools reach room temperature.
Tempering: Heat the component carefully to a suitable temperature selected by reference to a tempering chart or table, soak at the temperature for two hours per 25mm of ruling section, then allow to cool in air. Tempering between 250-375ºC is not advised as tempering within this range will seriously reduce the impact value.

1.7225 is now widely used in areas such as the motor, oil and gas industries. Suitable for components such as shafts, gears, spindles, bolts, studs and a wide variety of applications where a good quality high tensile steel grade is required.
Product Description:
1.7225 is an H-Steel grade Alloy Steel. It is commonly called 1.7225 Chromium-molybdenum steel. 1.7225 offers good ductility and shock resisting properties combined with resistance to wear. With these characteristics it is a popular high tensile engineering steel with a tensile of 850-1000Mpa. At low temperatures it has reasonably good impact properties. It is also suitable for a variety of elevated temperature applications. For maximum wear and abrasion resistance the steel can be nitrided to give a shallow depth wear resistant case. Flame or induction hardening of 708M40T can give a case hardness of 50HRc or higher.

 Contact Information:
Tel: 89-0731-89903933(CHANGSHA, Office)
Fax: +86-0731-89853933
Mobile : +86-15675829432

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