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Black Finish 431 Stainless Round Stock , Heat Treatment Solid Stainless Steel Rod

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Black Finish 431 Stainless Round Stock , Heat Treatment Solid Stainless Steel Rod

China Black Finish 431 Stainless Round Stock , Heat Treatment Solid Stainless Steel Rod supplier
Black Finish 431 Stainless Round Stock , Heat Treatment Solid Stainless Steel Rod supplier Black Finish 431 Stainless Round Stock , Heat Treatment Solid Stainless Steel Rod supplier Black Finish 431 Stainless Round Stock , Heat Treatment Solid Stainless Steel Rod supplier Black Finish 431 Stainless Round Stock , Heat Treatment Solid Stainless Steel Rod supplier

Large Image :  Black Finish 431 Stainless Round Stock , Heat Treatment Solid Stainless Steel Rod

Product Details:

Place of Origin: CHINA
Brand Name: HAOSTEEL
Certification: ISO9001
Model Number: HS431

Payment & Shipping Terms:

Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: Woven bags and plastic strips inside packing, wooden / iron pallet and steel strips outside packing.
Delivery Time: 5-10 working days after order confirmed and receive deposit
Payment Terms: L/C, T/T
Supply Ability: 5000tons per month
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Detailed Product Description
Product: 431 Stainless Steel Round Bar Standard: ASTM A276 A484
Material: 431 Surface: Pickled,Black,Bright,Polishing,Blasting,etc
Type: Round,square,hexagonal,flat,angle Length: 6m,5.8m,3m Or As Required
Item: Hot Rolled Cold Drawn Shaft Profile St Market: Europe,South America, Africa ,Oceania ,such As :Chile,Spain, USA,Germany,India,Iran,Dubai,Iraq,Vietnam,Ireland,Korea, Singapore,and So On

431 stainless steel round bar black finish heat treatment hardness qualified UT test

Description:
Cr steel with Ni in 431(16cr-2ni) has high mechanical properties through heat treatment, and is superior to 410 and 430 steel in corrosion resistance.The 431 stainless steel corresponds to Chinese 1Cr17Ni2 and Japanese JIS SUS431, Germany X22CrNi17. 

Diameter tolerance: +1.5~+3.0mm

Chemical Composition:

Compsition C Max% Si Max% Mn Max% P Max% S Max% Cr% NI%
410 0.15 1.0 1.0 0.04 0.03 11.5-13.5 --
420 0.025 1.0 1.0 0.04 0.03 12.0-14.0 --
430 0.12 0.75 1.0 0.04 0.03 16.0-19.0 --
431 0.20 1.0 1.0 0.04 0.03 15.0-17.0 1.25-2.5

Mechanical properties:

Tensile strength σb (MPa): quenching and tempering, ≥1080

Elongation δ5 (%): quenching and tempering, ≥10

Impact work Akv (J): quenching and tempering, ≥39

Hardness: annealing, ≤ 285HB
Heat treatment specification and metallographic structure: heat treatment specifications:

1) annealing, tempering at 680-700 °C for high temperature tempering;

2) quenching, oil cooling at 950 to 1050 °C;

3) tempering at 275 to 350 °C.

Metallographic organization: The tissue is characterized by martensite type.
Delivery status: generally delivered in heat treatment state, the type of heat treatment is indicated in the contract; if not specified, it is delivered according to the state without heat treatment.

Tolerance of bright polished bar:

Tolerance h7 h8 h9 h10 h11 f7 f8
OD mm
6-10 0-0.015 0-0.022 0-0.036 0-0.058 0-0.09 -0.013
-0.028
-0.013
-0.035
10-18 0-0.018 0-0.027 0-0.043 0-0.058 0-0.09 -0.016
-0.034
-0.016
-0.043
18-30 0-0.021 0-0.033 0-0.052 0-0.084 0-0.13 -0.02
-0.041
-0.02
-0.053
30-50 0-0.025 0-0.039 0-0.062 0-0.1 0-0.16 -0.025
-0.05
-0.025
-0.064
50-80 0-0.030 0-0.046 0-0.074 0-0.12 0-0.19 -0.03
-0.06
-0.03
-0.076
80-120 0-0.035 0-0.054 0-0.087 0-0.14 0-0.22 -0.036
-0.071
-0.036
-0.9

Black Finish 431 Stainless Round Stock , Heat Treatment Solid Stainless Steel Rod

Contact Details
Shanghai Haosteel Co., Limited

Contact Person: Haosteel

Tel: +8615214384812

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