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18crnimo7-6 18crnimo7 18ncd6 1.6587 820A16 Forged Steel Round Square Bar Ut Tested OD 90mm

Categories Steel Round Bar
Brand Name: Mittel
Model Number: 18Crnimo7-6
Certification: SGS MTC ISO
Place of Origin: China
MOQ: 2 Tons
Price: 1390 USD/Ton
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 600 Tons per year
Delivery Time: 7 days
Packaging Details: Export Packing
OD: 6-600MM
Surface: Black and Bright
Type: Hot Rolled and Cold Drawn
Condition: Heat Treatments
Length: 3-12m
Steel grade: Alloy Steel
Alloy or not: Is Alloy
Technique: Hot Rolled,Forged
Standard: ASTM,DIN,AISI,JIS
Shape: Round
Product name: 18crnimo7-6 qt alloy steel round bars
Heat treatment: Normalized +Annealed +Quenched + Tempered
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18crnimo7-6 18crnimo7 18ncd6 1.6587 820A16 Forged Steel Round Square Bar Ut Tested OD 90mm

Product Description

18CrNiMo7-6 18CrNiMo7 18NCD6 1.6587 820A16 Forged Steel Round Square bar UT Tested

1.18CrNiMo7-6 18CrNiMo7 18NCD6 1.6587 820A16 forged steel bar sizes we can offer;
Round bar: 200-1000mm
Square bar:150×150-600×600mm

2.Supply condition for 18CrNiMo7-6 18CrNiMo7 18NCD6 1.6587 820A16 Forged steel bars:
Black /Rough Machined /Rough turned

3.Futhur heat treatment for 18CrNiMo7-6 18CrNiMo7 18NCD6 1.6587 820A16 forged steel :
Normalized
Annealed
Q&T(Quenched&Tempered)

4.18CrNiMo7-6 18CrNiMo7 18NCD6 1.6587 820A16 Forged Steel round bar tolerance:
Black surface
Forged sizes up to 500mm (-0/+5mm)
Forged sizes above 500mm in diameter (-0/+8mm)
Machined surface to all sizes (-0/+3mm)

5. 18CrNiMo7-6 18CrNiMo7 18NCD6 1.6587 820A16 Equivalent
EUGermanyFranceEnglandItalyChinaFinlandInter
ENDIN,WNrAFNORBSUNIGBSFSISO
18CrNiMo7-617CrNiMo618NCD6820A1618NiCrMo717Cr2Ni2Mo51118CrNiMo7
17CrNiMo7

6.Chemical composition of 18CrNiMo7-6 18CrNiMo7 18NCD6 1.6587 820A16

CSiMnNiPSCrMo
0.15 - 0.21max 0.40.5 - 0.91.4 - 1.7max 0.025max 0.0351.5 - 1.80.25 - 0.35

7.HEAT TREATMENT OF 18CrNiMo7-6 18CrNiMo7 18NCD6 1.6587 820A16 FORGED STEEL
  • Soft Annealing: Heat 17CrNiMo6 to 650-700oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 229.
  • Normalizing: 850-880oC, air.
  • Hardening: Carburising: 880-980oC. Core Hardening: 830-870oC, water. Case Hardening: 780-820oC, water.
  • Tempering:Temperature: 150-200oC
8.Quality control:
1. Melting Process: EAF/BOF+LF+VD resulting in ingots
2. Both ends cut by saw
3. Ratio of forging:minimum 3:1
4. Grain size of final product: according to ASTM E112 more than 5,preferred more than 8
5. Ultrasonic test: As per SEP1921 Class C/c or D/d

9.MOQ: one piece per size/grade

10.Payment term: FOB CIF CFR EXW and so on

11.Delivery time : 7 to 30 days after deposit received.

12.Mark on both ends
Heat number, size, Length,grades, Weight,Origin (as per contract), or other as required

Quality 18crnimo7-6 18crnimo7 18ncd6 1.6587 820A16 Forged Steel Round Square Bar Ut Tested OD 90mm wholesale
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