| Customization: | Available |
|---|---|
| Type: | Alloy Steel Bar |
| Standard: | AISI, ASTM, DIN, JIS, GB |
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| Material: | round steel bar ASTM SAE4340 |
| Diameter: | 6mm-120mm (optional) |
| Length: | 1000mm-12000mm Straightness: 3mm/M max(optional) |
| Process: | EAF + LF + VD + Forged + Heat Treatment (optional) |
| Delivery condition: | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) |
| Delivery Time: | 30-45 days |
| MOQ: | 20 tons |
| Heat treatment: | Normalized / Annealed / Quenched / tempered |
| Technical Data: | According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing |
| Properties: | Yield=310 Mpa Minimum; Tensile=600 Mpa minimum; %EI=13min,Surface Hardness=BHN160-220(As your request) |
| Test: | Ultrasonic test according to SEP 1921-84 Class C/c and D/d (optional) |
| Marking: | Grade, heat NO. length will be stamped one each bar with required color |
| Payment: | 30% advance by T\T; Balance pay before the shipment against shipping documents or irrevocable LC at sight |
| similar steel grade | 4140/42crmo4/scm440/sae4140 |
Company Main Products:
|
Alloy Steel |
5140,5115,5120,5130,5145,4118,4130,4135,6150,5115,4142,4130,4118,6150,4140,4720,4320 ,E9310,8620,4340 |
|
Tool Steel |
H13,1.2344,SKD61,D2,SKD11,1.2379,1.2510,01,SKS3,95MnWCr5,D3,SKD1,1.2419, SKS31,H21,SKD5,1.2581,P20,35CrMo7,1.2738,1.2316,M2 |
|
Bearing Steel |
GCr15,52100,SUJ1,SUJ2,100Cr6,1.2067,55C,8620,4320,9310,440C,M50 |
|
Spring Steel |
9260,SUP6,SUP7,1.7108,54SiCr6,1.7102,5155,SUP9,1.7176,5160,1.7177,6150, SUP10,51CrV4,1.8159 |
|
Stainless Steel |
321,sus321,1.4541,304,SUS304,1.4301,410,SUS410,1.4006,420,1.4021,1.4028, 434,1.4113,316L,SUS316L,1.4435,630,1.4542,431,1.4057,201,202,301 |
aisi 4340 alloy steel round bar
Cold Drawn/Hot Rolled Round Bar
Diameter:4mm-90mm
Lengh:According to customers' requirements
Material:Q235,45#,40Cr,20#
Standard:GB , ASTM , JIS
Product Description
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