1.7139
2015-01-27 09:58:05 Origin： Remark：0 Click：
1.7139 is a carburizing structural steel with 0.9% Cr Base. 1.7139 found bar, flat bar, and plate Steelmaking, hot forging, rolling, heat treatment, 100% ultrasonic test, cold worked.
Official Test Certificate: issued by TUV - SGS - BV
TECHNICAL DATASHEET - Grade W-Nr 1.7139
MATERIAL CATEGORY: Carburizing structural steel
MATERIAL SPECIFICATIONS - DIN EN 10084 (1998), DIN 17210 (1986)
CHEMICAL COMPOSITION (mass weight %)
C (％): 0.14 ~ 0.19
Si (％): ≤ 0.40
Mn (％): 1.00 ~ 1.30
P (％)≤: 0.035
S (％)≤: 0.020 ~ 0.040
Cr (％): 0.80 ~ 1.10
Mo (％): -
Ni (％): -
Si (％): ≤ 0.40
Mn (％): 1.00 ~ 1.30
P (％)≤: 0.035
S (％)≤: 0.020 ~ 0.040
Cr (％): 0.80 ~ 1.10
Mo (％): -
Ni (％): -
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1150～850
Heat treatment temperature /℃|annealing: 650～700
Heat treatment temperature /℃|carburizing: 880～980
Heat treatment temperature /℃|quenching (Center): 860～900
Heat treatment temperature /℃|quenching (Surface): 810~840 Oil
Heat treatment temperature /℃|tempering: 170～210
Hardness after annealing HBS≤: 207
Heat treatment temperature /℃|annealing: 650～700
Heat treatment temperature /℃|carburizing: 880～980
Heat treatment temperature /℃|quenching (Center): 860～900
Heat treatment temperature /℃|quenching (Surface): 810~840 Oil
Heat treatment temperature /℃|tempering: 170～210
Hardness after annealing HBS≤: 207
Size /mm: φ11
After surface hardening |σb/MPa: 880~1180
After surface hardening |σs≥/MPa: 635
After surface hardening |δ5(％)≥: 9
After surface hardening |ψ(％)≥: 35
After surface hardening |δ5(％)≥: 9
After surface hardening |ψ(％)≥: 35
After surface hardening |AKV/J: 34
Size /mm: φ30
After surface hardening |σb/MPa: 780~1080
After surface hardening |σb/MPa: 780~1080
After surface hardening |σs≥/MPa: 590
After surface hardening |δ5(％)≥: 10
After surface hardening |ψ(％)≥: 40
After surface hardening |δ5(％)≥: 10
After surface hardening |ψ(％)≥: 40
After surface hardening |AKV/J: 34
Size /mm: φ63
After surface hardening |σb/MPa: 640~930
After surface hardening |σb/MPa: 640~930
After surface hardening |σs≥/MPa: 440
After surface hardening |δ5(％)≥: 11
After surface hardening |ψ(％)≥: 40
After surface hardening |δ5(％)≥: 11
After surface hardening |ψ(％)≥: 40
After surface hardening |AKV/J: -
PROFILE AND DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 400mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T60 ~ 400mm X W60 ~ 1200mm X L1000 ~ 5000mm
TYPICAL APPLICATIONS
TYPICAL APPLICATIONS
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners, Mechanical gears, gear shaft, main axis, valve rod.
Process plant – fasteners, Mechanical gears, gear shaft, main axis, valve rod.
Mechanical parts - connecting rod, bolt and nut.
Multidiameter shaft, Pressure vessel.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers. E-mail: sales@ccsteels.com.
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers. E-mail: sales@ccsteels.com.
Hot search：1.7139
Total list
Monthly rank
- 3438NCD4
- 3424CrMo5
- 3119CrNi5
- 2938B3
- 28ASTM A739 type B11
- 2826NiCrMoV11-5
- 2742Cr4Mo2
- 24S135
- 24EN 38
- 22EN20B