4340 Forged steel round bar

Forged steel round bar
Grade: SAE4340
1)Similar grade: 36CrNiMo4
2)Chemical composition:
C: 0.38/0.43; Si: 0.15-0.35; Mn: 0.60/0.80; P: Max 0.025; S: 0.020/0.035;
Cr: 0.70/0.90, Mo: 0.20/0.30; Ni: 1.65/2.00 Al: 0.02/0.05;
3)Standard: E ASTM A370
4)Brinell Hardness: Quenched and tempered: 280HB-320HB
5)Delivery condition:

Hot forged +Normalizing/Annealing+Rough Turned+ Quenching+ Tempering, .
Or only forged of black surface bars.
6)Size: Dia150mm~800mm
Length: 3.0m and up(Or fix length according the customer requirement).
7)Inspecting: UTS according to SEP 1921 C/c, D/d, E/e, A388 or GB/T 6402
8)other details:

Cut both ends
Min. Qty.: 15MT per size.
Delivery: By bulk shipment or By Container
9)Other Steel Grade:
Carbon Steel: SAE1045, SAE1050, SAE1055;

Alloy Steel: SAE8620, SAE4340, SAE4140, SAE5140, SAE6150
Hot Work Tool Steel: H13, H11

Cold Work Tool Steel: D2, D3, D5, O1

Plastic Mould Steel: P20, 1.2311, 1.2738, S136, NAK80