API 5L Grade B Mild Steel Seamless Pipe

• Customization: Available
• Type: Round
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Composition: Carbon Steel
• Technique: Hot Rolled
• Shape: Bar
• Surface Treatment: Black
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Application: Fluid Pipe
• Grade: A53(a,B), A106(B,C), 10#, 20#
• Thickness: D): 8 - 1020 mm
• Certificate: API
• Transport Package: Bevelling, Painting, End Cap, Bundle
• Specification: 8 - 1020 mm
• Trademark: BEWIN
• Origin: China
• HS Code: 73061900
• Production Capacity: 100000

Product Description

A) Size: 1/8"-32", DN10~DN800
B) Wall Thickness: SCH20, STD, SCH40, SCH80, SCH160,XXS,OEM etc
C) Material: a) Carbon Steel b) Stainless Steel c)alloy steel
D) Standard: API 5L/ASTM A53/ASTM A106/ASTM A213/A269/A312/A790/A270/DIN 17175/DIN 2448 etc
E) Surface: rust-proof black painting, hot-dipped galvanized, acid-washing or polished,PE,3PE, FBE, corrosion resistant coating

 

 

The wall thickness of seamless pipe

 

MM	INCH	ASME	DIN	DIN	ASME	JIS	ASME	ASME	ASME	ASME
A	B	O.D.	O.D.	Thickness	SCH20	SGP	STD	SCH40	XS	SCH80
6	1/8"	10.3				2	1.73	1.73	2.41	2.41
8	1/4"	13.5				2.3	2.24	2.24	3.02	3.02
10	3/8"	17.1	17.2	1.8		2.3	2.31	2.31	3.2	3.2
15	1/2"	21.3	21.3	2	2.5	2.8	2.77	2.77	3.37	3.73
20	3/4"	26.7	26.9	2.3	2.5	2.8	2.87	2.87	3.91	3.91
25	1"	33.4	33.7	2.6	3	3.2	3.38	3.38	4.55	4.55
32	1.1/4"	42.2	42.4	2.6	3	3.5	3.56	3.56	4.85	4.85
40	1.1/2"	48.3	48.3	2.6	3	3.5	3.68	3.68	5.08	5.08
50	2"	60.3	60.3	2.9	3.2	3.8	3.91	3.91	5.54	5.54
65	2.1/2"	73	76.1	2.9	4.5	4.2	5.16	5.16	7.01	7.01
80	3"	88.9	88.9	3.2	4.5	4.2	5.49	5.49	7.62	7.62
90	3.1/2"	101.6	101.6	-	4.5	4.2	5.74	5.74	8.08	8.08
100	4"	114.3	114.3	3.6	4.9	4.5	6.02	6.02	8.56	8.56
125	5"	141.3	139.7	4	5.1	4.5	6.55	6.55	9.53	9.53
150	6"	168.3	168.3	4.5	5.5	5	7.11	7.11	10.97	10.97
200	8"	219.1	219.1	6.3	6.35	5.8	8.18	8.18	12.7	12.7
250	10"	273	273	6.3	6.35	6.6	9.27	9.27	12.7	15.09
300	12"	323.8	323.8	7.1	6.35	6.9	9.53	10.31	12.7	17.48
350	14"	355.6	355.6	8	7.92	7.9	9.53	11.13	12.7	19.05

 

 

Tolerance of Outer Diameter and Wall thickness 

 

Standard	Tolerance of outer diameter (mm)		wall thickness (mm)
	OD(mm)	Tolerance of OD	OD ≤130mm	OD >130mm
ARM A53	<48.3	+0.4mm - 0.79mm	all	+12.5%
	>60.3	+1%
ASTM A106	<48.3	+0.4mm - 0.79mm	all	+12.5%
	48.3-114.3	+0.79mm
	>114.3	+1.59 - 0.79mm