GB 30CrMo/DIN 25crmo4, 1.7218 Alloy Structural Steel Round Bars
China GB 30CrMo/DIN 25crmo4, 1.7218 Alloy Structural Steel Round Bars, Find details about China 25crmo4 Alloy Steel Round Bars, 1.7218 Round Steel Bar from GB 30CrMo/DIN 25crmo4, 1.7218 Alloy Structural Steel Round Bars
Basic Info.
Model NO.
DIN 25CrMo4, 1.7218 GB 30CrMo, SAE4130
Product Name
DIN 25crmo4, 1.7218 Alloy Structural Steel Bar
Material Number
1.7218
GB
30CrMo
ASTM
SAE 4130
Delivery Condition
Quenched and Tempered
Delivery Term
Fob, CIF, CFR, Exwork, etc
Shipping
by Sea, Air
Hardness
Max 229hb
Hot Rolled Round Bar
Dia.10-300mm, Length.3000-10000mm
Forged Round Bar
Dia.80-1000mm, Length.3000-10000mm
Trademark
BOZHONG or customized
Transport Package
Seaworthy Packing
Specification
Dia. 10-1, 000mm, length: 3000-10000mm
Origin
China
HS Code
7228600000
Model NO.
DIN 25CrMo4, 1.7218 GB 30CrMo, SAE4130
Product Name
DIN 25crmo4, 1.7218 Alloy Structural Steel Bar
Material Number
1.7218
GB
30CrMo
ASTM
SAE 4130
Delivery Condition
Quenched and Tempered
Delivery Term
Fob, CIF, CFR, Exwork, etc
Shipping
by Sea, Air
Hardness
Max 229hb
Hot Rolled Round Bar
Dia.10-300mm, Length.3000-10000mm
Forged Round Bar
Dia.80-1000mm, Length.3000-10000mm
Trademark
BOZHONG or customized
Transport Package
Seaworthy Packing
Specification
Dia. 10-1, 000mm, length: 3000-10000mm
Origin
China
HS Code
7228600000
Product Desciption
GB 30CrMo/DIN 25CrMo4, 1.7218 Alloy structural Steel Round Bars
Chemical composition % of grade 25CrMo4 (1.7218): EN 10083-3-2006
Size of 25CrMo4
- As Forged
Round bar
Size: Dia.80-1,000mm
Length: 3,000-10,000mm
Square bar
Size: 150×150-600×600mm
Length: 3,000-8,000mm
(Forged Flat Bars, Shafts, Rollers and Blocks can be Customized)
- As Rolled
Round Bar
Size: Dia.10-300mm
Length: 3,000-10,000mm(can be Customized)
Surface Condition of 1.7218 Steel
Black, Rough Machined, Turned
Hardness of 25CrMo4 Steel
Annealed (+A): max 229HB
Treated to improve shearability (+S): max 255HB
Mechanical Properties of 1.7218 / 25CrMo4
Tensile strength: 930MPa
Yield point: 785MPa
Percentage reduction of area after fracture: 50%
Elongation after fracture: 12%
Impact test (+20°C): Transverse - 27~32J; Longitud - 45~50J
Quenched and Tempered (+QT) of W-Nr 1.7218 Steel
1. Heat din 1.7218 steel slowly to 880°C;
2. Soak at this temperature then quench in oil;
3. Temper as soon as 25CrMo4 steel reach room temperature;
4. Heat uniformly to the suitable temperature of 540°C;
5. Withdraw the material from the furnace and cool in the air.
Equivalent grades of grade 25CrMo4 (1.7218)
Warning! Only for reference
Material Photo:
Applications of DIN 25CrMo4 Steel
1.7225 steel is used for fasteners in the boiler and steam turbine which the working temperature is below 450°C. The 25CrMo4 steel is also good for high pressure with nut and flange,general mechanical loading of shafts,gears,bolts,studs,wheels.
Quality Assurance
Below inspection will be done in the production.
(1) ray detection---RT;
(2) ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) penetration testing-PT;
(5) eddy current flaw detection-ET
Company information:
Bozhong Group Mainly supply in forms of coil, sheet, plate, rod, bar, tube, pipe, beam, angle, flange, wire, strip, channel, etc., with various varieties, wide range of dimensions, high purity, stable chemical composition, high dimensional accuracy and excellent surface quality. The products are mainly used in the fields of industries such as automobile engineering, railway transportation, aviation, aerospace, machinery, petrochemical, energy, environmental protection, offshore, chemical, oil & gas, military, power plant, nuclear power, pressure vessel, boiler equipment, mold manufacture, etc.
steel flat bar
steel square bar
steel square pipes
steel welded tubes
steel seamless tubes
Bozhong Group can supply a variety of structural steel, high-strength steel, wear-resistant steel plate, boiler and pressure vessel steel, marine engineering and stainless steel plate in the thick steel and various European standard bars and pipes and profiles.Our global sales and service network throughout all around the world to ensure that the goods reach the customer in the shortest time.
We can follow your drawings and requirements, to provide you with oxygen cutting, plasma cutting and laser cutting and other processing services. You can also perform ultrasonic testing in accordance with EN10160 standard, EN10164 standard test Z15, Z25, Z35, weld bending detection, PWHT detection,etc.
We have ISO9001: 2000 quality management system certification, and obtain the quality certification from all the well-known certification company, including TuV / LRS / GL / CE and so on.
Special steel includes as below:
Boiler and pressure vessel steel
Pipeline steel
Bridge steel
Nuclear power steel
Structural steel
Die steel
High strength steel
Abrasion resistant steel
Weathering, corrosion resistant and fire resistant steel
High rise building steel
Shipbuilding and offshore engineering steel
FAQ:
Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price.
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.
Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material don't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.
Q: What is the payment term?
A: T/T or L/C.
Q: Can you provide a sample for our testing before confirm the order?
A: Yes. We can provide sample to you for approval before you place an order to us. Free sample is available if we have stock.
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.
Customer visiting :
Warmly welcome! Pick up your phone and Call us!
Send us the inquiry here!
We will reply you at the first time.
Contact US:
Annie Wang
Direct Line:+86 - 21 - 5762 9195
| Grade : | 25CrMo4 | ||||||||
| Number: | 1.7218 | ||||||||
| Classification: | Alloy Structural steel | ||||||||
| Standard: |
|
Chemical composition % of grade 25CrMo4 (1.7218): EN 10083-3-2006
| C | Si | Mn | P | S | Cr | Mo |
| 0.22 - 0.29 | max 0.4 | 0.6 - 0.9 | max 0.025 | max 0.035 | 0.9 - 1.2 | 0.15 - 0.3 |
- As Forged
Round bar
Size: Dia.80-1,000mm
Length: 3,000-10,000mm
Square bar
Size: 150×150-600×600mm
Length: 3,000-8,000mm
(Forged Flat Bars, Shafts, Rollers and Blocks can be Customized)
- As Rolled
Round Bar
Size: Dia.10-300mm
Length: 3,000-10,000mm(can be Customized)
Surface Condition of 1.7218 Steel
Black, Rough Machined, Turned
Hardness of 25CrMo4 Steel
Annealed (+A): max 229HB
Treated to improve shearability (+S): max 255HB
Mechanical Properties of 1.7218 / 25CrMo4
Tensile strength: 930MPa
Yield point: 785MPa
Percentage reduction of area after fracture: 50%
Elongation after fracture: 12%
Impact test (+20°C): Transverse - 27~32J; Longitud - 45~50J
Quenched and Tempered (+QT) of W-Nr 1.7218 Steel
1. Heat din 1.7218 steel slowly to 880°C;
2. Soak at this temperature then quench in oil;
3. Temper as soon as 25CrMo4 steel reach room temperature;
4. Heat uniformly to the suitable temperature of 540°C;
5. Withdraw the material from the furnace and cool in the air.
Equivalent grades of grade 25CrMo4 (1.7218)
Warning! Only for reference
| USA - | Germany DIN,WNr | Japan JIS | France AFNOR | England BS | Italy UNI | China GB | Sweden SS | Czechia CSN | Finland SFS | Russia GOST | Inter ISO |
| SAE4130 | 25CrMo4 | SCM420 SCM430 | 25CD4 | 708A25 708M25 CFS10 | 25CrMo4 | 30CrMo | 2225 | 15130 | 25CrMo4 | 20KHM 30KHM 30KHMA | 25CrMo4 |
Applications of DIN 25CrMo4 Steel
1.7225 steel is used for fasteners in the boiler and steam turbine which the working temperature is below 450°C. The 25CrMo4 steel is also good for high pressure with nut and flange,general mechanical loading of shafts,gears,bolts,studs,wheels.
Quality Assurance
Below inspection will be done in the production.
(1) ray detection---RT;
(2) ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) penetration testing-PT;
(5) eddy current flaw detection-ET
Company information:
Bozhong Group Mainly supply in forms of coil, sheet, plate, rod, bar, tube, pipe, beam, angle, flange, wire, strip, channel, etc., with various varieties, wide range of dimensions, high purity, stable chemical composition, high dimensional accuracy and excellent surface quality. The products are mainly used in the fields of industries such as automobile engineering, railway transportation, aviation, aerospace, machinery, petrochemical, energy, environmental protection, offshore, chemical, oil & gas, military, power plant, nuclear power, pressure vessel, boiler equipment, mold manufacture, etc.
- steel coil
- steel plate
- steel sheet
- steel bar/rod
steel flat bar
steel square bar
- steel pipe/tube ( welded or seamless )
steel square pipes
steel welded tubes
steel seamless tubes
- steel strip
- steel beam
- steel angle
- steel channel
- steel flange
- Steel wire
Bozhong Group can supply a variety of structural steel, high-strength steel, wear-resistant steel plate, boiler and pressure vessel steel, marine engineering and stainless steel plate in the thick steel and various European standard bars and pipes and profiles.Our global sales and service network throughout all around the world to ensure that the goods reach the customer in the shortest time.
We can follow your drawings and requirements, to provide you with oxygen cutting, plasma cutting and laser cutting and other processing services. You can also perform ultrasonic testing in accordance with EN10160 standard, EN10164 standard test Z15, Z25, Z35, weld bending detection, PWHT detection,etc.
We have ISO9001: 2000 quality management system certification, and obtain the quality certification from all the well-known certification company, including TuV / LRS / GL / CE and so on.
Special steel includes as below:
Boiler and pressure vessel steel
Pipeline steel
Bridge steel
Nuclear power steel
Structural steel
Die steel
High strength steel
Abrasion resistant steel
Weathering, corrosion resistant and fire resistant steel
High rise building steel
Shipbuilding and offshore engineering steel
FAQ:
Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and trading company. We specialized in special steel which include alloy structural steel and carbon steel and stainless steel, etc. All material are with high quality and competitive price.
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as TUV, CE, if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.
Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material don't have stock, the delivery lead time is about 5-30 days after receiving your prepayment or firm order.
Q: What is the payment term?
A: T/T or L/C.
Q: Can you provide a sample for our testing before confirm the order?
A: Yes. We can provide sample to you for approval before you place an order to us. Free sample is available if we have stock.
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.
Customer visiting :
Warmly welcome! Pick up your phone and Call us!
Send us the inquiry here!
We will reply you at the first time.
Contact US:
Annie Wang
Direct Line:+86 - 21 - 5762 9195
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