4130 4135 4140 Seamless Steel Round Hollow Bar

Min.Order: 1
Product origin: Changsha, Hunan, China
Infringement complaint: complaintComplaint
US$ 750 ~ 900

Description
Product Description
AdvantageThick Wall, Precision Dimension, +QT, Polished Surface, API certificated
StandardAPI 5CT,
Grades4130, 4140, 4145, 4145H, 4145H MOD, 4330V, 4317, 4340, ETC
CategorySeamless Round Steel Tube
Outside diameter inch0.405 to 34
Inside diameter inch0.049 to 1.25
NPS1/8 to 34
Outside diameter mm10 to 864
Inside diameter mm1 to 80
Length MeterMax 15
Length FootMax 49
ProcessForged or Hot rolled+cold drawn or Borehole
Heat treatmentNormalized ; Annealed ; Quenched and Tempered etc
Surface conditionBlack, Peeled, Polished etc
TestTensile strength, Yield strength, elongation, impact value, hardness, grain size, ultrasonic test, magnetic particle testing, etc.
PackingSea worth standard exporting packing
Shipping termIn bulk / FCL / LCL, partial shipment allowed
Trade termFOB, CIF, CFR, DDU etc
PaymentTT, LC etc
Delivery timeWithin 7 days for stocks and 30 days for production
Company Profile

Applications:

ASTM A519 AISI 4340 Steel Pipe can be made into gears, pinions, cams, cranks, clutch shafts, shafting, die cases, and a multitude of machinery parts and components etc

 Dimensions:

ProcessOuter Diameter Wall ThicknessLength
Cold Drawn 1/4 - 16 Inch1/50 - 1 5/8 Inch12000 mm max
Hot Rolled1 1/2 - 30 Inch1/8 -  8 Inch12000 mm max

 Steel Grade Comparison

ASTM AS DIN BS JISGB
434043401.6565 / 40CrNiMo6EN24 / 817M40SNCM439 / / SNCM840CrNiMo

 Chemical Composition (%):

CMnSiPSCrNiMo
0.37-0.440.55-0.900.10-0.350.040 max0.040 max0.65-0.951.55-2.000.20-0.35

 Delivery dondition:

HF: Hot Finished, CW; Cold Worked, SR: Stress Relieved or Finish Anneal, A: Annealed,:

N: Normalized, Q+T: Quenched and tempered

 Tube ends:

The tubes come with square cut and deburred ends.

 Certification:

The product is supplied with 3.1.B inspection certificate, according to the standards EN 10204 and ISO 10474.

 Identification and Marking:

The tubes are marked in indelible ink, the details being repeated along the entire length of each tube and on a label, as follows:
Manufacturer's trademark - manufacturing standard - dimensions -steel grade - supply condition - cast no. - item number.

 Packaging:

The tubes come in strapped bundles. The minimum weight of each bundle is 2000kg; the maximum bundle weight being 5000kg, with a minimum of 4 pieces
 
4340 ALloy Steel Pipe, mechanical Tubing, Hollow Bar, 4340, 1.6565,  40CrNiMo6, EN24,  817M40, SNCM439 , SNCM8, 40CrNiMo
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