40CrNiMoA SNCM439 Alloy Steel Round Bar Black Surface 160mm Alloy Steel Rod

Forged steel round bar
Grade: 40NiCrMoA
Similar grade: 40NiCrMo8, 817M40, 4340
Chemical compostion:
C: 0.37/0.44; Si: 0.15-0.35; Mn: 0.50/0.80; P: Max 0.025; S: Max 0.035
Cr: 0.60/0.90; Mo: 0.20/0.35; Ni: 1.60/1.90;
Standard: UNI 7845: 1978
Temperature: Hot forging 1100-900
Soft Annealing: HB Max 250
Delivery state: Hot forged +Normalizing/Annealing+Rough Turned+ Quenching+ Tempering, .
Or Only forged of black surface bars.
Size: 90mm~800mm
Length: 4.0m and up(Or fix length according the customer requirement).
Inspecting: UTS according to SEP 1921 C/c, D/d, E/e, A388 or GB/T 6402
Cut both ends
Payment: L/C at sight or T/T
Min. Qty.: 15MT per size.
Delivery: By both negotiation. (By bulk shippment or By Container)
Delivery time: 60 days after L/C.
Other Steel Grade:
Carbon Steel: C45, CK45, C60,
Alloy Steel: ST52-3, ASTM A105, 42CrMo4, S355J2G3, 16MnCr5, 20MnCr5, 34CrNiMo6,
18CrNiMo7-6, 39CrNiMo3, 17CrNiMo6, 21CrMoV511, 56NiCrMoV7, S355J2,
41Cr4, 51CrV4, 41CrAlMo7, 40NiCrMo7,
 

MATERIAL CATEGORY: Japanese Standard grade alloy structural steel
MATERIAL SPECIFICATIONS: JIS G4053 -2003

OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.36 ~ 0.43

Si (%): 0.15 ~ 0.35
Mn (％): 0.60 ~ 0.90

P (％)≤: 0.030

S (％)≤: 0.030

Cr (%): 0.60 ~ 1.00

Ni (%): 1.60 ~ 2.00

Mo (%): 0.15 ~ 0.30

Cu (%): ≤ 0.30

MELTING PROCESS AND APPLICATIONS
The steels shall be manufactured by melting process EF + ESR, EAF+ LF + VD, EAF+ LF + VD + ESR, IFF + ESR Melted. VIM + ESR can be handled by agreement.
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 rods
PRODUCT PROFILE
Round bar (Diameter): 0.50mm to 800mm
Square bar / Flat bar (Width X Thickness): 3mm to 800mm
Length: random length, fixed length or based on the customer's special requirement.
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil
Heavy/middle plate via hot rolled: T4 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM requirement.

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TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.

1.Q: Can we visit factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.

2.Q: Can provide OEM/ODM service?
A: Yes. Please feel free to contact us for more details discuss.

3.Q: What product information do I need to provide?
A:One is 30% deposit by TT before production and 70% balance against copy of B/L; the other is Irrevocable L/C 100% at sight.

4.Q: Can you provide sample?
A: The sample could can provide for customer with free, but the freight will be covered by customer account. The sample freight will be returned to customer account after we cooperate.

5.Q: How to pack the products?
A: The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion during ocean transportation.

6.Q: What's the MOQ ?
A: We welcome your trial order MOQ 25Tons to be stuffed in 1*20GP. Large quantity can reduce your cost.

7.Q: What's your delivery time ?
A:Regular lead time is 7-10 days after received deposit.

8.Q: What's your market ?
A:South American/Africa/Middle East/Europe/Korea/Russian Federation ETC.