Product Details

Product Description

Grade:20# 45# Q345B Q345D 25Mn 27SiMn E355 SAE1026

Standard:GB/T8713 GB/T3639 DIN2391 EN10305 ASTMA519

Application: widely used for hydraulic cylinder, shock absorber, hydraulic parts, exhaust system, fork spring, automobile parts, oil drilling, and other field.

Grade	chemical composition%
Grade	C	Si	Mn	P	S
20#	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035
45#	0.42-0.50	0.17-0.37	0.50-0.80	0.035	0.035
SKTM13C-T(25Mn)	0.22-0.29	0.17-0.37	0.70-1.00	0.035	0.035
27SiMn	0.24-0.32	1.10-1.40	1.10-1.40	0.035	0.035
E355	≤0.22	≤0.55	≤1.6	0.025	0.025
Q345B	≤0.2	≤0.5	1.00-1.60	0.030	0.030
Q345D	≤0.2	≤0.5	1.00-1.60	0.030	0.030
SAE1026	0.22-0.28	0.15-0.35	0.60-0.90	0.040	0.050

mechanical property

Delivery Condition	Cold drawn+ stress-relieved(BK+S)(SR)			Cold fished (hard)(BK)
Steel Grade	Tensile strength (Rm Mpa)	Yield strength	Elogation A5%	Tensile strength (Rm Mpa)	Elogation A5%
20#	≥520	≥375	≥15	≥550	≥8
45#	≥600	≥520	≥10	≥640	≥5
E355(Q345B,St52)	≥600	≥520	≥14	≥640	≥5
25Mn	≥600	≥510	≥15	≥640	≥5
27SiMn	≥760	≥610	≥10	≥800	≥5

Hydraulic penumatic liner actuator standard/size

Processing the form	Cylinder diameter	Length	Straightness	Dimensional accuracy	Wall thickness	Inner hole roughness
cold drawn	48~325	≤12m	0.3~0.8mm/m		±10%	0.8~1.6µm
honing	48~325	≤10m	0.3~0.8mm/m	H8~H9	±10%	0.3~0.8µm
roling	50~250	≤ 9m	0.3~0.8mm/m	H7~H9	±10%	0.01µm

our processing

raw material purchasing→material testing→picking→cold drawn/rolled→anneal→straightening

→straightness inspecting→dimension inspecting→sawing→UT test→lathe→surface polishing

→honed or SRB→product inspected→package

Company Information

Yantai Xinpeng Steel Pipe Co., Ltd,established in Dec 1992, with registered capital of 5 million Yuan, we have more than 20 years experience in manufacturing and exporting steel pipe.

Our company mainly produces various specifications of cold finished precision steel pipe, which are widely used in hydraulic Pneumatic cylinder for automobile, engineering machinery, textile machinery, printing machinery, oil drilling and other field.Our company are equipped with JLB250T hydraulic cold drawn set,LED120 cold rolling set, annealing surface, strong honed machine, polishing machine, lathe, saws CNC skived and roller burnished machine, kinds of testing machine. Strictly comply with ISO9001 System, assure the best quality of the products.

What we can provide are carbon tube, seamless pipe, cold drawn tube, cold rolled tube, honed tube, hydraulic cylinder tube, and so on.

Packaging & Shipping

packaging details: steel strips bundle

black painting

beveled ends

wooden box

as clients request

delivery details: 15days after 30% payment in advance

FAQ

Q :Which countries do you export to?

A: America, India, Korea, Pakistan, Turkey, Iran and so on.

Q: What is your main payment itme?

A: T/T and L/C

Q: Are you trading company or manufacturer ?

A: We are manufacturer .

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment 30% T/T in advance ,balance before shippment.

Q: What's your MOQ(minimum order quantity)?

A: One full 20ft container,mixed acceptable .

Q: What's your packing methods?

A: Packed in bundle or bulk (customed is accepted).

testing

1.portable hardness tester

2.wall thickness gauge

3.ultrasonic flaw detector

4.digital rockwall hardness tester

5.tensile testing machine

application

1) Fuel injection lines/nozzles for diesel or gasoline engine;

2) Compressed natured gas CNG tube

3) Drive transmission: steering column elements

4) Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel

drive shafts

5) Mechanical structure pipe parts in automobile,motorcycles and vehicle

6) Hydraulic circuits, pneumatic lines and hydraulic suspension

7) Hydraulic cylinders

Our Services

Advantage of Product

1)Professional & skilled, reliable.
2)One-stop total solution
3)ready stock goods with fast delivery
4)Customizable: Non-standard sizes are also available
5)Small quantity is acceptable
6)Cash back: Refund or replacement for any product faulty

Tel +86-535-6835398

Website: