- Metal Building Materials[5]
- Flanges[10]
- Pipe Fittings[10]
- Cast & Forged[2]
- Stainless Steel Pipes[10]
- Stainless Steel Sheets[2]
- Steel Pipes[10]
- Steel Round Bars[9]
- Steel Sheets[1]
- Contact Person : Mr. GENG HUIYING
- Company Name : Hebei New Sinda Pipes Manufacture Co., Ltd.
- Tel : 86-317-6899168
- Fax : 86-317-6899168
- Address : Hebei,Cangzhou,Gengzhuangzi Industrial Zone, Mengcun Hui Autonomous County, Hebei Province China
- Country/Region : China
- Zip : 061400
Forged Round Bar (SAE4340)
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1.Item:Forged Round Bar
2.Standard: E ASTM A370
3.Grade: SAE4340 , Similar grade: 34CrNiMo6, 817M40, SNCM439
4.Chemical compostion: 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;
5.Delivery condition: Hot forged +Normalizing/Annealing+Rough Turned+ Quenching+ Tempering, . Or Only forged of black surface bars.
6.Brinell Hardness: Quenched and tempered: 280HB-320HB
7.Inspecting: UTS according to SEP 1921 C/c, D/d, E/e, A388 or GB/T 6402
8.Other Steel Grade: Carbon Steel: SAE1020, SAE1045, SAE1050, SAE1060; SAE1018 Alloy Steel: SAE8620, SAE4130, SAE4340, SAE4140, SAE5140; SAE9840, Tool Stee; : H13
9.HS:7304199000
10.High quality and service
11.your any question is welcomed
Forged Round Bar (SAE4340)
