Contact Supplier

Mr. Kevin

Leave a message

Contact Now

Chrome Molybdenum Alloy Steel Tube 4130 / 4140

Get Latest Price

Payment Type:

L/C,T/T,D/P,Paypal,Western Union

Incoterm:

FOB,CFR,CIF

Min. Order:

5 Ton

Transportation:

Ocean,Land

Port:

Ningbo,Shanghai

Contact Now

Product Description

Product Attributes
Supply Ability & Additional Information
Packaging & Delivery

< >

Overview

Product Attributes

Model No.: SAE 4130 / SAE 4140

Brand: HuiJie

Standard: Bs, Gb, Astm, Jis, Din, Api

Material: Mo, Cr-Mo Alloy

Section Shape: Round

Application: Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe

Production Process: Cold Drawn

Whether Alloy: Is Alloy

Tolerance: ±1%

Supply Ability & Additional Information

Packaging: Bundles Packing with plastic bags wrapped

Productivity: 5000tons per month

Transportation: Ocean,Land

Place of Origin: Made in China

Certificate: TS16949 ISO9001

HS Code: 7304.3110

Port: Ningbo,Shanghai

Payment Type: L/C,T/T,D/P,Paypal,Western Union

Incoterm: FOB,CFR,CIF

Packaging & Delivery

Selling Units:: Ton

Package Type:: Bundles Packing with plastic bags wrapped

Cr-Mo Alloy SAE4130 Seamless Steel Tube

30CrMo 4130 / 42CrMo 4140 cold drawn seamless alloy steel tubing

COLD DRAWN SEAMLESS Alloy Steel Tubes

STEEL GRADE: SAE/AISI4130

SPECIFICATIONS: Astm A519 WITH FOLLOWING REQUIREMENTS.

MECHANICAL PROPERTIES

Tensile Min	725MPa
Yield Min	620MPa
Elongation (50.8mmG.L)	Min 15%
Hardness	230-280 HB
Condition	Stress relieved.
Straightness better than:	1 in 2000 MAX (1MM DEVIATION IN 2000MM)
Eccentricity (Max)	5%
Grain size	≥ 9 according to ASTM E112
Residual Hoop stress	<80Mpa according to ASTM E1928-99

DIMENSION AND TOLERANCES (IN MM)

SR.NO.	OUTSIDE DIA	TOLERANCE	INSIDE DIA	TOLERANCE	WT	LENGTH (+5/-0)
1	55.56	+0.18/-0	46.20	+0/-0.18	4.68	3070
2	69.85	+0.20/-0	60.32	+0/-0.20	4.765	3070
3	88.90	+0.25/-0	78.00	+0/-0.25	5.45	3070

NON-DESTRUCTIVE TEST

Eddy Current Examination according to ASTM E309shall be applied on all tubes using External Longitudinal notch with depth of no more than 7.5% of wall thickness (maximum notch depth 0.80mm and minimum notch depth 0.30mm) , 0.30mm maximum width and 25mm maximum length, made from the same chemistry and size of tubing.

SURFACE CONDITION

The tubes must have smooth surface

MARKING

The request information shall be marked on each tube with paint, and

each bundle shall be identified with a securely attached metal tag.

COATING

The tubes inside and outside shall be coated with a rust inhibitor

PACKING

Standard Export worthy packing, preferably in hexagonal bundle with plastic wrapped and steel strapped.

Application:

Fuel injection Pipe, Oil flow pipeline , Automobile and motorcycle Shock Absorber Pipe
Seat lifter Pipe Hydrau-cylinder Pipe, Bicycle frame steel pipes Mechanical steel pipes for auto and motor parts
Auto and Motorcycle Parts Exhaust Pipe for Generator
High Heels Steel Pipes Campanula Seamless Steel Pipe
Bike and Bicycle Frame Hydraulic System(Oil Pipeline, Motor Engine Pipe)
Sewing machine and textile machine parts Air conditioning fitting
Gas oil burner pipe Oil pipe drilling
Auto and motor pipe fittings Gas Spring pipe,motor casing pipe