16CrMo44 | DIN 1.7337
16CrMo44|DIN 1.7337 steel Manufacturer and Exporter,supplied with round,square,flat,block,and shaft etc.16CrMo44 is a low carbon steel containing chromium and molybdenum as strengthening elements which is similiar like Chinese grade 15CrMo.As pearlitic structure heat resistant steel,it has high hot strength and oxidation resistance when in high temperature,and it also has good welding property.16CrMo44 is generally used in the quenched and tempered condition.
16CrMo44 Equivalent Grade Chemical Composition
National Standard |
Grade | C% | Si% | Mn% | Cr% | Mo% | P% | S% |
DIN | 16CrMo44 (1.7337) |
0.13-0.2 | 0.15-0.35 | 0.5-0.8 | 0.9-1.2 | 0.4-0.5 | ≤0.025 | ≤0.035 |
GB | 15CrMo | 0.12-0.18 | 0.17-0.37 | 0.4-0.7 | 0.8-1.1 | 0.4-0.55 | ≤0.035 | ≤0.035 |
16CrMo44 Supply Form & Size & Tolerance
Supply Form | Size(mm) | Process | Tolerance | |
Round | Φ6-Φ100 | Cold Drawn | Bright/Black | Best H11 |
Φ16-Φ350 | Hot Rolled | Black | -0/+1mm | |
Peeled/ground | Best H11 | |||
Φ90-Φ1000 | Hot Forged | Black | -0/+5mm | |
Rough Turned | -0/+3mm | |||
Flat/Square/Block | Thickness :120-800 | Hot Forged | Black | -0/+8mm |
Width:120-1500 | Rough Machined | -0/+3mm |
Remark:Tolerance can be customized as per requests
16CrMo44 Chemical Composition
Standard | Grade | C | Mn | P | S | Si | Cr | Mo |
DIN | 16CrMo44 | 0.13-0.2 | 0.5-0.8 | ≤ 0.025 | ≤ 0.035 | 0.15-0.35 | 0.9-1.2 | 0.4-0.5 |
1.7337 | ||||||||
GB/T 3077 | 15CrMo | 0.12-0.18 | 0.4-0.7 | ≤ 0.035 | ≤ 0.035 | 0.17-0.37 | 0.8-1.1 | 0.4-0.55 |
16CrMo44 Physical Property
Density, g/cm3 | 7.85 |
Modulus of elasticity Gpa | 210 |
16CrMo44 Mechanical Property
Tensile Strength Mpa | Yield Strength Mpa | Elongation % | Reduction of Area % | Impact Charpy-V, J | Hardness HB |
740 | 635 | 22.5 | 65 | 80 | 220-260 |
16CrMo44 Application
DIN1.7337 |16CrMo44 is widely used in petroleum ,petrifaction , high pressure boiler. Specialized purpose of seamless tube.Component parts for steam boilers and turbines, shafts for higher temperature ranges.
16CrMo44 Heat Treatment
Normalizing
1.Nominal normalizing temperature:840-890°C
2.Hold the temperature for several hours
3.Cooling in the air
Annealing
1.Nominal Annealing temperature:680-720°C
2.Cool slowly in the furance
3.Maximum Brinell hardness of 217
Hardening and Tempering(QT)
1.Nominal Hardening temperature:850-870°C
2.Hold at this temperature then quench in oil or water
3.Tempering as soon as possible when the temperature low to ambient
4.Heat uniformly to the suitable temperature of 550-640°C
5.keep the material out of the furnace ,then cool in the air
Delivery Condition
1.Shape:Round/Square / Flat/Shafts/Rollers/Blocks
2.Surface condition:Black surface/Bright surface
3.Heat Treatment:Normalized/Annealed/QT
4.Straightness:Max 3mm/m(Enhanced straightness may be available on request)
5.Length:3000-5800mm suitable for 20″container. above 6000mm,suitable for 40″ container
6.Grain Size: 5-8 acc to ASTM E112-96
7.Ultrasonic Standard: Sep1921/ASTM A388/EN 10228-3
8.Non Metallic Inclusion: 2 max acc to ASTM E45 /K4≤20 acc to DIN 50602
9.Forging Ratio: minimum 4 : 1
10.Marking: Grade/Weight/Length/Size/Heat Number
Quality Certification
A material test report(Inspection Certificate EN 10204 3.1) will be provided, documenting the following:
1.Chemical analysis
2.Mechanical properties
3.Surface hardness
4.Non Metallic Inclusion
5.Heat Treatment Process
6.Grain size
7.Forging ratio
8.NDE test method/criteria
Related Other Steel Products
Page Contents
- 16CrMo44 Equivalent Grade Chemical Composition
- 16CrMo44 Supply Form & Size & Tolerance
- 16CrMo44 Chemical Composition
- 16CrMo44 Physical Property
- 16CrMo44 Mechanical Property
- 16CrMo44 Application
- 16CrMo44 Heat Treatment
- Hardening and Tempering(QT)
- Delivery Condition
- Quality Certification
- Related Other Steel Products