Product Details

Hebei province gold mysterious pipe co.,ltd is one of the key manufacturer of seamless steel pipe of China,products include common seamless steel pipe,cold-drawing pipe,cold-rolling pipe and special shape pipes.

ASTM A519 Seamless Steel Tube/Pipe For Automotive Tube Parts

Standard: ASTM A519-06

Scope: Covers several grades of carbon and alloy steel seamless mechanical tubing. The grades are listed in Table-1.

Size Range: Covers tubes in size up to and including 4 1/3(110mm) outside diameter for round tubes with wall thicknesses as required.

Shape: The tubes shall be furnished in the following shapes, as specified by the purchaser: round, square,rectangular and special sections.

Chemical Composition& Mechanical Properties(Type: Cold Drawn Seamless Mechanical/CDS)

Grade	C	Mn	P≤	S≤	Si	Cr	Mo
1008	≤0.10	0.30-0.50	0.040	0.050	-	-	-
1010	0.08-0.13	0.30-0.60	0.040	0.050	-	-	-
1018	0.15-0.20	0.60-0.90	0.040	0.050	-	-	-
1020	0.18-0.23	0.30-0.60	0.040	0.050	-	-	-
1025	0.22-0.28	0.30-0.60	0.040	0.050	-	-	-
1035	0.32-0.38	0.60-0.90	0.040	0.050
1045	0.43-0.50	0.60-0.90	0.040	0.050
1026	0.22-0.28	0.60-0.90	0.040	0.050	-	-	-
4130	0.28-0.33	0.40-0.60	0.040	0.040	0.15-0.35	0.80-1.10	0.15-0.25
4140	0.38-0.43	0.75-1.00	0.040	0.040	0.15-0.35	0.80-1.10	0.15-0.25

Grade	Condition	Ultimate Strength		Yield Strength		Elongation	Rockwell Hardness
Grade	Condition	Ksi	Mpa	Ksi	Mpa	%	B scale
1020	HR	50	345	32	221	25	55
	CW	70	483	60	414	5	75
	SR	65	448	50	345	10	72
	A	48	331	28	193	30	50
	N	55	379	34	234	22	60
1025	HR	55	379	35	241	25	60
	CW	75	517	65	448	5	80
	SR	70	483	55	379	8	75
	A	53	365	30	207	25	57
	N	55	379	36	248	22	60
1035	HR	65	448	40	276	20	72
	CW	85	586	75	517	5	88
	SR	75	517	65	448	8	80
	A	60	414	33	228	25	67
	N	65	448	40	276	20	72
1045	HR	75	517	45	310	15	80
	CW	90	621	80	552	5	90
	SR	80	552	70	483	8	85
	A	65	448	35	241	20	72
	N	75	517	48	331	15	80
4130	HR	90	621	70	483	20	89
	SR	105	724	85	586	10	95
	A	75	517	55	379	30	81
	N	90	621	60	414	20	89
4140	HR	120	855	90	310	15	100
	SR	120	855	100	689	10	100
	A	80	552	60	414	25	85
	N	120	855	90	621	20	100

Please note the meaning of below abbreviation in table 2:
HR----Hot Rolled

CW----Cold Worked
SR----Stress Relieved

A----Annealed
N----Normalized

Test equipment:

Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield

strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test,

Blow Test, Impact Test etc), Exterior Size Inspection, Nondestructive Test (Ultrasonic flaw detector, Eddy

current flaw detector), Hydrostatic Test.

Common pipe:

OD:15mm-80mm

WT:1mm-14mm

Standard: ASTM,DIN,JIS,BS,GOST,ETC

Advantage: High quality & competitive price

Thermal Treatment: Annealed or Normalized ,as per relevant standards.

Special shape pipe:

Round square,rectangular,hexagonal,lemon,triangle,oval and special shape pipes. Your drawing or sample are welcomed.

Standard:(read more)

ASTM A179 specification for seamless cold-drawn low-carbon steel heat-exchanger and condenser tubes

ASTM A192 specification for seamless carbon steel boiler tubes for high-pressure service

ASTM A 210 specification for seamless medium-carbon steel boiler and superheater pipes

ASTM A 213 specification for seamless ferrite alloy steel boiler, superheater and heat-exchanger pipes

ASTM A 519 seamless carbon and alloy steel for mechanical tubing

ASTN A 556 seamless cold-drawn carbon steel feedwater heater tubes

DIN specifications seamless steel pipes

DIN 17175 seamless steel tube for elevated temperature

Material: St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo44

DIN 2391 cold drawn seamless precision pipes

Material: St35, St45, St52

DIN 2393 seamless steel pipes for structural purpose

Material: Rst34-2, Rst37-2, RSt44-2, St52

Usage:

The pipes are widely used for the auto/motorcycle/agricultural machine/railway project/low-high pressure boiler tubes/bearing tubes/ships manufacturing industries/oil and other high standards & demand processing & manufacturing industries.

FAQ

** How long will it take to produce an order?
It is within 30days for the purchasing and production time with container order and 10days for the sample.

** What is your minimum order?
Usually 5 ton for each size, please contact us when you are trying to purchase less than container load

** What form of quotation do you offer?
FOB Tianjin, CIF and CNF Your destination

** What is your payment term?
Payment is 30% deposit, 70% before shipment

** Does the sample for free or not?
The samples are free if they are common sizes, You need to pay for the freight .

** How do you guarantee the quality of the products?
All of our procedures are strictly operated under the ISO 9001:2008, and there are as many as 6 times of test during the production of each product to ensure the quality.

** How do you to package the product?
Wrapped with polywoven bags, we use steel belt to pack the outside, polywooden cases or wooden boxes for thin wall thickness can be offered if required

**How about the Third Party Inspection ?
We have been working with DNV,TUV,SGS,BV,CO,Lloyd's etc;

Any of your questions will be ansered within 24 hours! Welcome to inquiry!