Steel No. 50
Negotiable Min Order Quantity Unit
- Required Quantity
-
- Place of Origin
- Payment Terms
- Negotiable
- Production method
- Negotiable
- Shipping / Lead Time
- Negotiable / Negotiable
- Keyword
- stainless steel, steel, mn steel
- Category
- Industrial Supplies
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Tianjin Xinhairunda Steel Trade Co., Ltd
- Country / Year Established
- China /
- Business type
- Others
- Verified Certificate
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12
Product name | Steel No. 50 | Certification | - |
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Category | Industrial Supplies | Ingredients | - |
Keyword | stainless steel , steel , mn steel | Unit Size | - |
Brand name | - | Unit Weigh | - |
origin | Stock | - | |
Supply type | - | HS code | - |
Product Information
Material Name: 50 Unified numbering: U20502
Implementation of the standards GB / T 699-1988
Features
High-strength carbon structure, quenching with high strength and hardness, the machinability of steel medium, cold plastic deformation is low, poor welding, heat treatment, no temper brittleness. The critical diameter of the water to 13 * 30mm.This steel is usually normalizing or quenching and tempering, or high-frequency surface hardening heat treatment before use.
Chemical composition
C: 0.47 ~ 0.55, Si: 0.17 ~ 0.37, Mn: 0.50 ~ 0.80, P ≤ 0.035,
S ≤ 0.035, Ni ≤ 0.30, Cr ≤ 0.15, Cu ≤ 0.25,
Mechanical Properties:
Tensile strength σb (MPa): ≥ 630 (64)
Yield strength σs (MPa): ≥ 375 (38)
Elongation δ5 (%): ≥ 14
Reduction of area ψ (%): ≥ 40
Impact energy Akv (J): ≥ 31 (4)
Impact toughness αkv (J/cm2): ≥ 39 (4)
Hardness: no heat treatment, ≤ 241HB; annealed steel, ≤ 207HB
Sample Size: 25mm.
DIN 1.1213, DIN standard Cf53, GB 50, BS 060A52, AFNOR XC48TS, NF C50, UNIS C53, NBN C53, SS 1674, AISI / SAE / ASTM 1050, JIS S50C/S53C, ISO C50E4.
Critical temperature (approx.) Ac1 = 725 ℃, Ac3 = 760 ℃, Ar3 = 721 ℃, Ar1 = 690 ℃
Regulate the temperature normalizing 830℃± 10℃, air cooling.
Ordinary quenching and tempering quenching temperature specifications 830℃± 10℃, water, oil cooling; tempering temperature of 600℃± 10℃, water and oil cooling.
Applications:
Create dynamic load, shock load resistance small and require good mechanical parts, such as forged gears, shaft friction disk, spindle, motor spindle, roller, rod, spring washers and so on.
B2B Trade
Price (FOB) | Negotiable | transportation | - |
---|---|---|---|
MOQ | Negotiable | Leadtime | Negotiable |
Payment Options | Negotiable | Shipping time | Negotiable |
Tianjin Xinhairunda Steel Trade Co., Ltd
- Country / Year Established
- China /
- Business type
- Others
-
12
- President
- Buhongli
- Address
- Duwangxincheng, Beichen, Tianjin, China
- Product Category
- Industrial Supplies
- No. of Total Employees
- 1-50
- Company introduction
-
Main Featured Product:
Stainless Steel Series: Stainless steel plate, stainless steel pipe, stainless steel rods, Material: 304,304 L, 321,316 L, 317L, 347H, 2520,310 S, 2205,2507,904 L
Bar Series: General Round, carbon steel, alloy structural steel Material: Q235B-Q235E, Q345B-Q345E, 10 # -60 #, 20Mn-60Mn, 20Mn2-50Mn2, 20Cr-50Cr, 15CrMo-42CrMo, 20CrMnTi-40CrMnTi
Sheet Series: Cape plate, carbon plate, manganese plate Material: Q235B-Q235E, Q345B-Q345E, 10 # -60 #, 20Mn-60Mn, 20Mn2-50Mn2
- Main Markets
-
India
Japan
South Korea
- Main Product
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