High-Quality Cold Rolled Steel Tubing for Global Markets

• Customization: Available
• After-sales Service: Free
• Warranty: 1 Year
• Model NO.: OD15-75 mm
• Type: Seamless
• Technique: Cold Rolled
• Material: Alloy Steel
• Surface Treatment: Oiled
• Usage: Boiler Pipe, Hydraulic/Automobile Pipe, Machinery Industry
• Section Shape: Round
• Certificate: ISO9001
• Od: 15-75mm
• Thickness: 0.8-14
• Customized: Yes
• Transport Package: Bund
• Specification: 15-75
• Trademark: bluesky pipe
• Origin: Ningde
• HS Code: 7326901900
• Production Capacity: 50000 Tonyear

Product Description

 

 

 

 

                 GRADE              C%             Si%         Mn%              P%             S%           Cr %                                         Mo%               Gu%     Ni%

GB/T 699	10	0.07~0.13	0.17~0.37	0.35~0.65	0.035	0.035	≤0.15		0.25	0.3
	20	0.17~0.23	0.17~0.37	0.35~0.65	0.035	0.035	≤0.35		0.25	0.3
	35	0.32~0.39	0.17~0.37	0.50~0.80	0.035	0.035	≤0.25		0.25	0.3
	45	0.42~0.50	0.17~0.37	0.50~0.80	0.035	0.035	≤0.25		0.25	0.3
GB/T3077	20Cr	0.18~0.24	0.17~0.37	0.50~0.80	0.035	0.035	0.70~1.00
	40Cr	0.37~0.44	0.17~0.37	0.50~0.80	0.035	0.035	0.80~1.10
	20CrMo	0.17~0.24	0.17~0.37	0.40~0.70	0.035	0.035	0.80~1.10	0.15~0.25
	42CrMo	0.38~0.45	0.17~0.37	0.50~0.80			0.90~1.20	0.15~0.25
	20CrMnTi	0.17~0.23	0.17~0.37	0.80~1.10			1.00~1.30
GB/T1591	Q345B	≤0.20	≤0.55	1.00~1.60	0.04	0.04

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	-	-	-	-	-	-	-	-

 

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	-	-	-	-	-	-	-	-