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NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD

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Cold drawn Precision Mechanical Seamless Steel Pipes

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Brand Name :	New Era
Model Number :	GB/T3639
Certification :	ISO 9001 ISO14001 TS16949
Price :	Negotiation
Payment Terms :	T/T
Supply Ability :	5000 tons/month
Delivery Time :	45 days

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Cold drawn Precision Mechanical Seamless Steel Pipes

Cold Drawn Precision Steel Tube Seamless 2 - 12m Length With GB/T3639

Cold drawn Precision Mechanical Seamless Steel Pipes

Steel Grade/Steel Material:10#, 20#, 45#, Cr-Mo alloy, 16Mn, SAE1010, SAE1020, SAE1045, SKTM11,37Mn5,40Cr, ST35, ST52 etc
Steel pipe standard:GB8713, GB3639, DIN2391, EN10305-1, EN10305-4, JIS-G3445, ASTM A519, ASTM A192, ASTM A179

size:
OD:10.00—110.00mm
WT:1.00—8.00mm
Length: 5.8m, 6m,9m,or as required.
Production Processs:
RAW MATERIAL
↓
INCOMING INSPECTION
↓
STORAGE → CUTTING→HAMMERING → PICKING LUBRICATION → CLEANING → PHOSPHORI CLEAN
↓
ENDS CUTTING←STRAIGHTENING←HEAT TREATMENT↔MIDDLLE CHECK↔ COLD DRAWING ← LUBRICATING
↓
FINAL INSPECTION→BUNDING→STORAGE

Technique:
1) Hot Rolled
2) Cold Drawn
3) Cold Rolled
Characteristic:
Good concentricity
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
QUALITY ASSURANCE
Application:
1) shock absorber for motorcycle and automobile
2) hydraulic gas cylinder
3) precision machine precision pipe part
4) other auto pipe parts

Steel grade		Minimum values for the delivery conditionab
Steel grade		+CC		+LCC		+SR			+Ad		+N
steel name	steel number	RmMPa	A %	RmMPa	A %	RmMpa	ReHMPa	A %	RmMPa	A %	Rm MPa	ReHCMPa	A %
E155	1.0033	400	6	350	10	350	245	18	260	28	270 to 410	155	28
E195	1.0034	420	6	370	10	370	260	18	290	28	300 to 440	195	28
E235	1.0908	490	6	440	10	440	325	14	315	25	340 to 480	235	25
E275	1.0225	560	5	510	8	510	375	12	390	21	410 to 550	275	21
E355	1.0580	640	4	590	6	590	435	10	450	22	490 to 630	355	22
a. Rm: tensile strength ; ReH: upper yield strength (but see 11.1); A: elongation. For symbols for the delivery condition see Table 1.
b. 1 Mpa = 1 N/mm2
c. Depending on the degree of cold work in the finishing pass the yield strength may nearly be as high as the tensile strengths. For calculation purposes the following relations are recommended:
—— For delivery condition +C: ReH ≥0.8 Rm
—— For delivery condition +LC: ReH ≥0.7 Rm
d. For calculation purposes the following relations is recommended: ReH ≥0.5 Rm
e. For tubes with outside diameter ≤ 30 mm and wall thickness≤ 3mm, the ReH minimum values are 10 Mpa lower than the values given in this Table.

Cold drawn Precision Mechanical Seamless Steel Pipes

Tags:cold drawn,seamless,precision steel tube,E215,EN10305-1,hydraulic tubing,Precision tubing,cold drawn seamless steel tubes.

E215 precision tubes,E215 Steel tubes,E215 Round tubing

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