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40cr Gr8.8 Alloy Steel Round Bar Bright Surface Mill Certificate

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40cr Gr8.8 Alloy Steel Round Bar Bright Surface Mill Certificate

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Brand Name : CF STEEL

Model Number : 40Cr SAE5140 1.7035 SCr440

Certification : ISO, Mill Certificate

Place of Origin : China

MOQ : 3MT

Price : USD800-900/MT

Payment Terms : L/C, T/T

Supply Ability : 1000t/Month

Delivery Time : 7-15 days

Packaging Details : Export Standard Packing or Customers'demand

Standard : AISI,DIN,ASTM,GB

Surface : Machined,black,Plain,mill finish or peeled finish,Grinding

Technique : Forged,Hot Rolled,Hot Work Mould Steel

Test : SGS / Ut 100% / Element Testing

Delivery Condition : Hot Rolled, Forged

Ut standard : Sep 1921-84 class 3 C/C to D/D

Sample : Free

Heat Treatment : Annealing/Q+T

Hs Code : 722540 & 722830

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5140 40cr Gr8.8 Alloy Steel Round Bar Bright Surface Steel for tools

1.5140 40cR Scr440 Gr8.8 steel bar Main standard
GB JIS DIN ASTM/AISI/SAE
40Cr SCr40 41Cr4 5140
2.5140 40cR Scr440 Gr8.8 steel bar chemical compition
C SI MN S P Cr Ni/Cu
0.38-0.43 0.15-0.35 0.70-0.90 0.025 (max) 0.025 (max) 0.70-0.90 0.25 (max)

3.40Cr 5140 41Cr4 SCr440 steel bar Mechanical Properties with QT
Hardness:207HB or according to client's request
Tensile strength:Min 980MPA
Yield strength: Min 785MPA
elogation:9% Reduction of area:45%
AKV(impact value):59J
4.our 40Cr 5140 41Cr4 SCr440 steel bar avaiable size
Hot rolled round bars 16mm to 350mm
Cold drawn bars 6mm to 50mm
Forged round bars 200mm-800mm
5.40Cr 5140 41Cr4 SCr440 hot rolled steel round bar Quality Control Process
  1. s45c c45 sae1045 aisi1045 steel bar Production Line
Blast Furnace Melton Iron → EAF(EBT/BOV) → LF → VD → Molten Steel → Continuous Casting → Hot Rolling(KOCKS) → UT Check - Processing and Distribution Center( Further processing Cold Drawn/Peeling/Turning or QT/annealing)
2)Iron - hot metal pretreatment - Converter - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) --UT Check - Processing and Distribution Center( Further Processing Cold Drawn/Peeling/Turning or QT/annealing)

3)Gas Contents:
Oxygen Nitrogen Hydrogen
20ppm(max) 90ppm(max) 2ppm(max)

4)Inclusion Rating:ASTM E45A
A B C D
MAX MAX MAX MAX
Thin 2.5 2.0 0.5 0.5
Thick 1.5 1.0 1.0 1.0
5)Common Grain Size: 5 to 8
6)Billet/steel bloom size
20-50mm: 180*220mm steel billet
52-85mm: 180*220mm steel billet
85-120mm: 260*300mm steel billet
130-210mm: 650mm round billet
210-350mm:800mm steel billet
6.Steel bar Supply conditionSurface Treatment: Peeling, Turning, Grinding, Milling, Drilling, Boring
Heat Treatment: Normalizing, Annealing, Quenching+ Tempering
7.Straightness: 3mm/m(max)
8. Steel bar Packing:
*Bars from different heats will not be mixed and dispatched.
*Bars will be bundles and securely metal strapped in 3 min places of the bar length and tagged properly.
*For further processing products such as cold drawn/peeled or heat treated goods, plastics bag wrapped or pallet loading is available according to customer's demands.
  1. Delivery time of steel bar:7-10days of stock,30 days after order confirmed of new material
  2. Payment term:TT or LC
  3. Free sample:Yes
  4. steel bar Inspection: Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,UT sep1921 C/c
10.Our steel bar mill's certificate
ISO901&ISO.TS16949,ISO4001,OHSAS18001
Special Equipment Manufacturing License of P.R.C for pipeline plate,steel plate for boiler&Vessel;
ISO/TS16949 2009 for Manufacturing of Special steel;
Europe CE Mark Certificate;
JIS MARK,KS MARK.
Changfeng Tool & Die Steel main product:
STANDARD/GRADE of steel Flat Bar Size(mm) Round bar Size(mm) Technics
DIN AISM JIS GB(China) Thickness Width Length Diameter Length
1.121 SAE1050 S50C 50# 10-450 155-2200 2000-12000 Forged, Hot Rolled
1.2311 P20 PDS-3 3Cr2Mo 10-460 155-2200 2000-10000 20-200 2000-6000
1.2738 P20+Ni - 3Cr2NiMnMo 21-300 155-2200 2000-8000 20-200 2000-6000
1.2379 D2 SKD10 SKD10 10-200 155-810 2000-6000 14-80 3000-6000
1.2080 D3 SKD1 3Cr2Mo 10-200 155-810 2000-6000 20-200 3000-6000
1.2083 420 - 4Cr13 10-500 155-1200 2000-6000 12-300 3000-6000
1.2344 H13 SKD61 4Cr5MoSiV1 10-500 155-1600 2000-6000 16-400 3000-6000
1.2510 O1 SKS3 9CrWMn 10-200 155-810 2000-6000 20-200 3000-6000
1.7225 SAE4140 SCM440 42CrMo 10-280 155-2200 2000-6000 16-450 3000-6000


About Us
Guangzhou Changfeng Steel Co., Ltd. is a professional special steel company, which specializing in this line in China since 2005. Our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.

40cr Gr8.8 Alloy Steel Round Bar Bright Surface Mill Certificate

To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel and Daye Special Steel.


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hot rolled steel plate

      
Quality 40cr Gr8.8 Alloy Steel Round Bar Bright Surface Mill Certificate for sale

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