Delivery Time:3-5 days
Certification:CE,FCC,MSDS

1/8\" 1/4\" Cold Rolled Seamless Tube , ASTM A106 / A53 GRB Seamless Carbon Steel Tube

Specifications:

Production process of cold rolled steel tube:

Cold rolled precision seamless steel tube, round tube blank - Inspection - cut - heating - penetration tube rolling - cooling - Inspection - acid cleaning, lubricating - mill rolling - oxygen free heat treatment - precision straightening straight cutting head, chamfering, non destructive testing - testing - antirust processing, packaging weigher, storage

Table of mechanical properties:

Grade	delivery condition
cold finish/hard(Y)	Cold finish/soft(R)	Annealing (T)
	Tensile strength(MPa)	Elongation(%)	tensile strength(MPa)	Elongation(%)	Tensile strength(MPa)	Elongation(%)
≥
10	412	6	373	10	333	12
20	510	5	451	8	432	10
35	588	4	549	6	520	8
45	647	4	628	5	608	7

 Description:

AMERICAN STANDARD DIMENSION	ANSI B36.19
PIPE SIZE (NPS)	DIAMETER (INCH)	OUT DIA. (mm)	Nomal Diameter In Inches
A	B	ASME	SCH 5	SCH 10	SCH 40	SCH 80
	1/8\"	10.29	/	1.24	1.73	2.41
	1/4\"	13.72	/	1.65	2.24	3.02
	3/8\"	17.15	/	1.65	2.31	3.2
15	1/2\"	21.3	1.65	2.11	2.77	3.73
20	3/4\"	26.7	1.65	2.11	2.87	3.91
25	1\"	33.4	1.65	2.77	3.38	4.55
32	1.1/4\"	42.2	1.65	2.77	3.56	4.85
40	1.1/2\"	48.3	1.65	2.77	3.68	5.08
50	2\"	60.3	1.65	2.77	3.91	5.54
65	2 1/2\"	73	2.11	3.05	5.16	7.01
80	3\"	88.9	2.11	3.05	5.49	7.62
90	3.1/2\"	101.6	2.11	3.05	5.74	8.08
100	4\"	114.3	2.11	3.05	6.02	8.56
125	5\"	141.3	2.77	3.4	6.55	9.52
150	6\"	168.3	2.77	3.4	7.11	10.97
200	8\"	219.8	2.77	3.76	8.18	12.7
250	10\"	273.05	3.4	4.19	9.27	12.7
300	12\"	323.85	3.96	4.57	9.52	12.7
350	14\"	355.6	3.98