ASTM A106 A53 API 5L Round Black Seamless Carbon Steel Pipe and Tube

Short Description:

Inside Dia (mm)	ID Tolerance (mm)				WT Tolerance (mm)
Inside Dia (mm)	H7	H8	H9	H10	WT Tolerance (mm)
≤30	+0.021/0	+0.033/0	+0.052/0	+0.084/0	±7.5% >210mm ±10%
30 – ≤50	+0.025/0	+0.039/0	+0.062/0	+0.100/0
50 – ≤80	+0.030/0	+0.046/0	+0.074/0	+0.120/0
80 – ≤120	+0.035/0	+0.054/0	+0.087/0	+0.140/0
120 – ≤180	+0.040/0	+0.063/0	+0.100/0	+0.160/0
180 – ≤250	+0.046/0	+0.072/0	+0.115/0	+0.185/0
250 – ≤315	+0.052/0	+0.081/0	+0.130/0	+0.210/0
315 – ≤700	+0.057/0	+0.089/0	+0.140/0	+0.230/0

Send email to us

Product Detail

Product Tags

Product detail drawing

Product Detail:

Steel Grade	Chemical composition %
	C	Si	Mn	P	S	Al
	C	Si	Mn	≤		≥
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	/
Q345B	≤0.2	≤0.5	1.00-1.60	0.03	0.03	/
Q345D	≤0.2	≤0.5	1.00-1.60	0.03	0.03	0.015
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	/
ST52	≤0.22	≤0.55	≤1.6	0.025	0.025	/
SAE1026	0.22-0.28	0.15-0.35	0.60-0.90	0.04	0.05	/

Delivery Condition	cold finished (hard) (BK)	cold drawn and stress-relieved (BK+S)
Steel Grade	Tensile Strength (Mpa)	Elongation (%)	Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation (%)
20#	≥550	≥8	≥520	≥375	≥15
45#	≥640	≥5	≥600	≥520	≥10
16Mn	≥640	≥5	≥600	≥520	≥14
25Mn	≥640	≥5	≥600	≥510	≥15
27SiMn	≥800	≥5	≥760	≥610	≥10
ST52	≥640	≥5	≥600	≥520	≥14
SAE1026	≥640	≥5	≥600	≥510	≥15

Honed Tube Specifications:

1.Steel grade: ST52.3, 1020, CK45, 4140 , E355，4130, Stainless Steel 304/316, Duplex 2205, Alloy Steel etc.
2.ID: 15mm-1500mm
3.OD:18mm-1800mm
4.Length: max 16m
5.Straightness: 0.5/1000
6.Roughness(Ra): 0.2-0.4um
7.Tolerance EXT:DIN2391,DIN17175,DIN1629,ASTM519,ASTMA106,JISG3441,GB/T8163,GB/T3639,GB9948,GB/T5312 etc.
8.Tolerance INT: ISO H8
9.Surface treatment：galvanized
10.Tolerance：±7%
11.Oiled or unoiled：Slightly Oiled
12.Delivery date：22-30
13.Type: cold drawing, cold rolling, honed
14.Conservation: anti rust oiled inside and outside surface, plastic caps in both ends
15.Package: bundle with steel strip and knitting strip, or wooden case.

Our Services

East-Ai has a powerful team which has inddependent design development of pneumatic components from product design to production operations

In case the product does not meet your expectations, we offering a sampling service ,giving you the opportunity to properly evaluate products before you buy.