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api and astm schedule 40 steel pipe seamless

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api and astm schedule 40 steel pipe seamless

Company Name	Liaocheng ZhongXing steel pipe Co..LTD
Item	Cold Drawn Seamless Steel Pipes
Material	45# (GB )	A1045(ASTM)	CK45(DIN)
Size available	OD (25-630mm)	WT (4-30mm)	Length (3-15m)
Packing	Export standard A in bundle by steel belt B beveled ends C paint varnish D plastic caps E marks on the pipes
Payment terms	T/T & L/C at sight
Delivery time	In general , within 20 -30 days if need to produce . If have stock .promptly when sign contract .
Application	Structure Convey gas & oil Making machine And so on
Contact person	Ms Celia

SAE 1045 Seamless Steel Pipe

chemical composition
steel	C	Si	Mn	S(≤)	P(≤)	Cr	Ni	Mo	others
20#	0.17—0.23	0.17—0.37	0.35—0.65	0.035	0.035	≤0.25	≤0.30		Cu≤0.25
45#	0.42—0.50	0.17—0.37	0.50—0.80	0.035	0.035	≤0.25	≤0.30		Cu≤0.25
Q345B	≤0.20	≤0.55	1.00—1.60	0.04	0.04	V:0.02-0.15	Nb:0.015-0.06	Ti:0.02-0.20	Alt≥0.015
16Mn	≤0.20	≤0.55	1.00—1.60	0.045	0.045	V:0.02-0.15	Nb:0.015-0.06	Ti:0.02-0.20	16Mn
25Mn	0.22—0.30	0.17—0.37	0.70—1.00	0.035	0.035	≤0.25	≤0.25
27SiMn	0.24—0.32	1.10—1.40	1.10—1.40	0.03	0.03
42SiMn	0.39—0.45	1.10—1.40	1.10—1.40	0.03	0.03
42CrMo	0.38—0.45	0.17—0.37	0.50—0.80	0.025	0.025	0.90—1.20		0.15—0.25

Precision Seamless Steel Pipe DIN2391 EN10305 Din17175

Grade

ST52 Specification DIN2391 Delivery Condition BK +S

Diameter

10mm to 200mm

Special Pipe

Thick Wall Pipes

Types

Seamless

Technique

Cold Drawn

Section Shape

Round

Dimension Accuracy

1. Tolerances on Inner Diameter: - ISO H8
2. Tolerances on Wall Thickness :-

Diameter >40 +/- 0.2mm,
Diameter 40<100 +/- 0.3mm,

Diameter >100 +/- 0.5mm,

3. Surface Roughness :- Ra = 0.2 ~ 0.4 Micron

Length of Tubes

Random ( 5 to 7 meters ) or Fixed length as per order of confirmation

Material Certificates

As per EN 10204 / 3.1B

Scope

Hydraulic Cylinder Tube for Swivel Crane, Injection Machine, Construction Machine, Material Handling Machinery and other Hydraulic Machinery Parts

Honed Tube
A. Material : CK20(SAE1020), CK45(SAE1045), 16Mn(St-52), 27SiMn
B. Polishing: To 0.4Ra Max,
C. Precision of size: H8-H9,
D. Cylinder ID: From 10mm diameter up to 200mm diameter,
E. Length: 13000mm maximum,
F. Thickness: 2.5mm diameter up to 55mm diameter,

Wall Thickness : 2-30mm
Supply Condition :BK(+C), BK+S (+SR)

Protection:
The tubes are supplied with caps at the ends and protected internally and externally with oil that provides temporary protection against oxidization. Special surface protection can be agreed upon.
Length:
Besides commercial length the bars and tubes can be supplied cut to length according to customer’s specifications.
Remark:
Cylinder tubes suitable for honing can be supplied on request. Commercial lengths or cut to customers specifications

Steel	Cold Finish(Hard)(BK)		Cold Drawn and stress-relieved(BK+S)			Hardness HB
Steel	Tensile Strength ( N/mm2 )	Elongation 5 %	Tensile Strength (N/mm2)	Yield N/mm2	Elongation 5 %
CK20	>= 550	>= 8	>=520	>=375	>=12	175
CK35	>=650	>=5	>=600	>=520	>=12	190
CK45	>= 640	>= 5	>=600	>=520	>=15	207
16Mn	>= 640	>= 5	>=600	>=510	>=15	190
27SiMn	>= 840	>= 5	>=800	>=720	>=10

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