Product Details

Hebei province gold mysterious pipe co.,ltd is one of the key manufacturer specializing in seamless steel pipe/square/rectangular etc.Products include common seamless steel pipe,cold-drawing pipe,cold-rolling pipe and special shape pipes.

Mechanical pipe to ASTM A519 MT1010 and up, 4000, 1300 and 8000 series

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 cold-finished mechanical tubing.

Size Range: Covers tubes in size up to and including 3.14(80mm) 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
5120	0.17-0.22	0.70-0.90	0.035	0.040	0.15-0.35	0.70-0.90

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	SR	120	855	100	689	10	100
	A	80	552	60	414	25	85
	N	120	855	90	621	20	100

ess Relieve

Test equipment:

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

Length:specific and random

Thermal Treatment: Annealed,Normalized

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

Advantages:High quality and competitive price

Special shape pipe:

Hexagonal,square,rectangular,lemon,triangle,oval and special shaped pipes.Your drawing or sample are welcomed.

Quality Standard:
ASTM A 53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing
ASTM A106 Seamless Carbon Steel Pipes for transportation
GB/T8162 Seamless Steel Tubes for Structural Purposes
JIS G3441 Alloy steel tubes for machine purposes
JIS G3444 Carbon steel pipes for general structural purposes
JIS G3445 Carbon steel tubes for machine structural purposes
DIN 2391 Seamless Precision Steel Tubes
EN10305 Steel tubes for precision applications. Technical delivery conditions. Seamless cold drawn tubes
EN 10210:Seamless structural steel pipes

Steel Grade:
ASTM A 53: Grade A, Grade B, Grade C, Type F, Type E
ASTM A519: 1010-1045, 4130-4142
GB/T8162: 10, 20, 35, 45, 16Mn, 12C rMo, 15CrMo, 12C rl MoV
JIS G3441: SCM 415 TK, SCM 418 TK, SCM 420 TK, SCM 430 TK, SCM 435 TK, SCM 440 TK
JIS G3444: STKM 11A, STKM 12, STKM 13, STKM 14, STKM 15, STKM 16, STKM 17, STKM 18
STKM 19, STKM 20
DIN 2391: St30Si, St30A1, St35, St45, St52
EN10305: E235, E355
EN 10210: S235JRH; S275J0H, S275J2H; S355J0H, S355J2H; S275NH, S355NH; S275NLH, S355NLH

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 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

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