Cold Rolled/Drawn Precision Carbon/Alloy Steel Tube/Pipe DIN/JIS/ASTM/En/BS

• Customization: Available
• After-sales Service: Free
• Warranty: Free
• Model NO.: Customization
• Technique: Cold Rolled
• Material: Alloy Steel
• Surface Treatment: Polished
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry
• Section Shape: Round
• Transport Package: Woven Packing
• Specification: Customization
• Trademark: bluesky pipe
• Origin: Fuding
• HS Code: 7304511000
• Production Capacity: 50000 Ton/Year

Product Description

Material

10#-45#, 16Mn, A53-A369, Cr-Mo alloy, Q195-Q345, ST35-ST52, 10#, 20#, 45#,  16Mn, A213, A315, 30CrMo, Q195, Q215, Q235, Q345, ST35, St37, St45, St52

Surface

Black/ Bright

Standard

DIN, GB, JIS, DIN 17175, DIN 2391, GB 5310-1995, GB/T 13793-1992, GB/T 3094- 2000, GB/T3639, JIS G3101

Size

OD 15mm-75mm

Thickness 1-14mm

Processing

Cold rolled/ Cold drawn

1. BK (+C)  No heat treatment after last cold forming process.

2. BKW (+LC) After last heat treatment there is a light finishing pass ( cold drawing)

3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed.

4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled  atmosphere.

5. NBK (+N) After the final cold forming process the tubes are annealed above the  upper transformation point in a controlled atmosphere.

Packing

Woven bag/ Wooden or crate carton/ Bundle Packing/ Plain end or vanished as per  customer's request.

Delivery time

Normally 20-30 working days

steel grade	+C(BK)		+LC(BKW)		+SR(BKS)			+A(GBK)		+N(NBK)
	Rm(Mpa)	A(%)	Rm(Mpa)	A(%)	Rm(Mpa)	Reh(Mpa)	A(%)	Rm(Mpa)	A(%)	Rm(Mpa)	Reh(Mpa)	A(%)
10	430	8	380	10	400	300	16	335	24	320~450	215	27
20	550	5	520	8	520	375	12	390	21	440~570	255	21
35	590	5	550	7	-	-	-	510	17	≥460	280	21
45	645	4	630	6	-	-	-	590	14	540	340	18
25Mn	650	6	580	8	580	450	10	490	18	-	-	-
Q355B	640	4	580	7	580	450	10	450	22	490~630	355	22
Q420B	750	4	620	8	690	590	12	520	22	550~700	425	22
25CrMo	720	4	670	6	-	-	-	-	-	-	-	-
42CrMo	720	4	670	6	-	-	-	-	-	-	-	-

Different kinds of delivery condition, surface of pipe can be bright, galvanized, phosphating, etc.