JIS Scm440 AISI 4140 Hot Rolled Alloy Steel Round Bar

• Type: Alloy Steel Bar
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Composition: Alloy Steel
• Technique: Hot Rolled and Forged
• Shape: Bar
• Surface Treatment: Black Surface or Bright Surface
• Model NO.: JIS Scm440 AISI 4140 Hot Rolled Alloy Steel Round
• Special Use: Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel, Axletree ;Fastener
• Application: Bolts&Nuts&Auto Parts
• Surface: Bright Steel Bar
• Steel Type: Alloy Steel Bar
• Steel Shape: Round Bar
• Hex Steel Bar: Square Bar
• B7 Steel Bar: 42CrMo4 Alloy Steel
• Transport Package: Bundle by Wire Rod
• Specification: 20mm-1000mm
• Trademark: DaJin
• Origin: Shandong of China
• Production Capacity: 5000 Tons/Month

Product Description

Hot rolled alloy round steel barhot rolled round steel bars
Diameter:12mm to 300mm
Grade:SS400,Q235,SAE1045,S45C,45#,41Cr4,SAE5140,SCM440,42CrMo4,SAE4140,etc

Hot Rolled Alloy Steel Round Bars 42CrMo4
Diameter:12mm to 200mm
  Hot-rolled,black surface
Chemical composition
]

Grade	C	Si	Mn	S	P	Cr	Ni	Cu	Mo
42CrMo  /ASTM4140	0.38 0.45	Max  0.40	0.60 0.90	Max  0.035	Max  0.035	0.90 1.20	Max  0.030	Max 0.030	0.15  0.30

 AISI H21, JIS SKD5,DIN 1.2662,W-Nr 1.2581

jjh
4140	0.35	Max0.40	Max0.40	2.50	8.50	0.40	Max0.30	Max0.30

3.Process:  EAF + LF + VD + hot rolling+ Heat Treatment (optional)
 
4.Delivery condition: Hot rolling +Rough machined (black surface after Q/T)+ Turned (optional)
 
5.Technical Data: According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
6 .Certification:ISO 9001:2000
7.Tech:EAF+LF+VD+ESR
We company DaJin metal specilasied in kinds of steel  products  more than  10 years , the Supply Ability  more than 100000 per month with competitive price and good quality!
.the performance advantage and the uses

Highlight advantage
*High  intensity.
*High  hardness.
*Excellent resistance to abrasion