TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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High Precision Automotive Precision Steel Pipe DIN2393 St35 Suspension Gas Spring
Torich is a manufacturer of erw precision steel tubes with over 20years' experience.Good at the precision product as per EN10305-1
DIN2391 DIN 2393 ASTM A513 etc standard. with good tolerance high quality reasonable price.
Quick detail of Alloy Steel Mechanical Tubing:
Standard :DIN 2393 ASTM-A513-t6 EN10305 ASTM A519 GOST 5005 -82 DIN2394 JIS-G3445 DIN2391 BS6323 GOST8734-75
IS3074 ASTM A513
Material:CEW 1020 St37.2
Delivery condition:BK,No heat treatment
OD range:15-200mm WT range: 0.8-16mm
OD tolerance:+/-0.06mm WT:(+/-0.03)
ID surface:0.4μm
Straightness ≤0.5mm/1m
Roundness ≤0.5
Decription of precision hot rolled steel tube:
| ASTM A513 Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing 1010; 1020; 1026 | |
| ASTM A519 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing 1010; 1020; 1035; 1045; 1541; 4130 | |
| DIN 2391 Seamless precision steel tubes St35Al (1.0212); St35Si (1.0211); St35 (1.0308); St45 (1.0408); St52 (1.0580) | |
| DIN 2393 Welded precision steel tubes St37-2; St52-3 | |
| EN 10305-1 Steel tubes for precision applications Part 1: Seamless cold drawn precision tubes E215 (1.0212); E235 (1.0308); E255 (1.0408); E355 (1.0580) | |
| EN 10305-2 Steel tubes for precision applications Part 2: Welded cold drawn precision tubes E195 (1.0034); E235 (1.0308); E275 (1.0225); E355 (1.0580); S500MC (1.0984) | |
| EN 10305-3 Steel tubes for precision applications Part 3: Welded cold sized tubes E195 (1.0034); E220 (1.0215); E235 (1.0308); E260 (1.0220); E275 (1.0225); E320 (1.0237); E355 (1.0580); E370 (1.0261); S500MC (1.0984) | |
| EN 10305-4 Steel tubes for precision applications Part 4: Seamless cold drawn precision tubes for hydraulic and pneumatic power systems E215 (1.0212); E235 (1.0308); E255 (1.0408); E355 (1.0580) | |
| GB/T 3093 High-pressure seamless steel tubes for diesel engine 10A; 20A; Q345A | |
| GB/T 3639 Seamless cold-drawn or cold-rolled steel tubes for precision applications 10; 20; 35; 45; Q355B | |
| GOST 9567-75 Precision steel pipes 10; 20; 35; 45; 10G2; 20Ch; 15ChM |
Feature: High precision,NIce inner hole surface
Application of 17mm high precision steel tube:
Motorcycle front fork ,Motor outer shell,Automobile shock absorber cylinder,Dust cover,Automobile shock absorber
reservior,refrigaretion gas reservior
Production process : Material incoming inspection Surface treatment,Cold rolling Inspection,Rust preventive work,
Warehouse storage .
