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 Standard seamless carbon steel tube/pipe

Standard: ASTM A519-06

Scope: Covers several grades of carbon and alloy steel seamless mechanical tubing. The grades are listed in Table-1. This specification covers both seamless hot-finished mechanical tubing and seamless cold-finished mechanical tubing.

Size Range: OD:15-80MM

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

Table-1 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---------------->not avialable

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.

Production process:

Step1 material Step 2 perforate Step 3 pickling

Step 4 cold-drawn Step 5 anneal Step 6 check

Common pipe:

OD:8mm-80mm

WT:1mm-14mm

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

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

Surface coating:varnish painted on pipe(black painting),anti-corrosion oil,galvanized,or painting as

customer's request

Special shape pipe:

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

Standard:

ASTM A 519 seamless carbon and alloy steel for mechanical parts

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.

Packaging & Shipping

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

FAQ

1. 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.

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

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

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

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

6. 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.

7.How about the Third Party Inspection ?

We have been working with DNV,TUV,SGS,BV,CO,Lloyd's etc;