GB/T 24187 Cold Drawn Precision Steel Tube Welded Steel Pipes Length 1.5m - 4m

Product Description

TORICH GB/T 24187 Cold-Drawn Precision Single Welded Steel Tubes
 
Spec:
Material:C Si Mn P S
Size Range:OD:3.18-18mm
                     WT:0.3-1.3mm
                     General Length:1.5-4m
Tolerance:
According to the following tables or customers’ request.

Table 1 Outer diameter, wall thickness and theoretical weight

OD/mm	WT/mm
	0.30	0.40	0.50	0.60	0.65	0.70	0.80	0.90	1.00	1.30
	theoretical weight /(kg/m)
3.18	0.0213	0.0274	0.0330
4.00	0.0274	0.0355	0.0432	0.0503
4.76	0.0330	0.0430	0.0525	0.0616	0.0659	0.0701
5.00	0.0348	0.0454	0.0555	0.0651	0.0697	0.0742
6.00	0.0422	0.0552	0.0678	0.0799	0.0858	0.0915	0.1026	0.1132	0.1233
6.35	0.0448	0.0587	0.0721	0.0851	0.0914	0.0975	0.1095	0.1210	0.1319
7.94	0.0565	0.0744	0.0917	0.1086	0.1169	0.1250	0.1409	0.1563	0.1712	0.2129
8.00	0.0570	0.0750	0.0925	0.1095	0.1178	0.1260	0.1421	0.1576	0.1726	0.2148
9.53	0.0683	0.0901	0.1113	0.1321	0.1423	0.1524	0.1722	0.1915	0.2104	0.2639
10.00	0.0718	0.0947	0.1171	0.1391	0.1499	0.1605	0.1815	0.2020	0.2220	0.2789
12.00	0.0866	0.1144	0.1418	0.1687	0.1819	0.1951	0.2210	0.2464	0.2713	0.3430
12.70	0.0917	0.1213	0.1504	0.1790	0.1932	0.2072	0.2348	0.2619	0.2885	0.3655
14.00	0.1014	0.1342	0.1665	0.1983	0.2140	0.2296	0.2604	0.2908	0.3206	0.4072
15.88	0.1153	0.1527	0.1896	0.2261	0.2441	0.2621	0.2975	0.3325	0.3670	0.4674
16.00	0.1162	0.1539	0.1911	0.2279	0.2461	0.2641	0.3000	0.3352	0.3699	0.4713
18.00	0.1310	0.1736	0.2158	0.2575	0.2781	0.2987	0.3393	0.3795	0.4192	0.5354
Theoretical weight of no additional coating, density of steel is 7.85 kg/

Table2 Allowable deviation of outer diameter of steel pipe

Table 3 Permissible deviation of steel tube wall thickness

Table 4 Allowable deviation of specified length of steel pipe

TABLE 5 Chemical Composition Of Steel Strip (Mass Fraction)%

TABLE 6 Mechanical Properties Of Cold Rolled Low Carbon Steel Strip

TABLE 7 Mechanical Properties Of Cold Rolled Ultra-low Carbon Steel Strip

TABLE 8 Mechanical properties of steel pipe

Characteristic:

TORICH QUALITY ASSURANCE

Good surface quality

Good OD and ID tolerance controlled to Technical Standard
Stable quality
100% Eddy Current Test

Processing:W-H W-C

Widely used in the field of:Condenser, evaporator, cooler tube fuel pipe of refrigeration,automobile and electric appliance industrial

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