Customization: | Available |
---|---|
Type: | Round |
Standard: | AISI, ASTM, DIN, JIS, GB |
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Size 50*30---800*300mm
W.T 2.5-30 mm
Length 2-12 m
JIS G3466 JIS is specified the carbon steel square pipes , hereinafter referred to as the square tubes, used for civil engineering architecture and other structures
Chemical compostion
Desination of grade |
Chemical Composition |
||||
C |
Si |
Mn |
P |
S |
|
STKR 400 |
0.25 max |
0.04 max |
0.04 max |
||
STKR 490 |
0.18 max |
0.55 max |
1.5 max |
0.04 max |
0.04 max |
Mechanical properties
Designation of grade |
Tensile strength |
Yield strength |
Elongation |
N/mm2 |
N/mm2 |
% |
|
STKR 400 |
400min |
245 min |
23min |
STKR 490 |
490 min |
325 min |
23 min |
Tests we apply to the tubes:
1. Chemical composition analysis
2. Mechanical properties (tensile strength, yield strength, elongation, hardness)
3. Technological test (flattening test, flaring test, bending test, hydraulic pressure test)
4. Surface quality detection
5. Eddy-current examination
6. Visual test
Applications:
1. Low and middle pressure fluid transportation pipeline
2. Casing pipe
3. Low and medium pressure boiler seamless steel pipe
4. High pressure boiler seamless steel pipe
5. Carbon seamless steel pipe for ship
6. Seamless steel pipe used in high pressure chemical fertilizer equipment
7. Petroleum and natural gas industry
8. Steel pipe for heat exchanger
9. Used for diesel engine
10. Chemical industry, building industry, environment industry and more
Delivery condition: hot rolled, annealed, normalized, quenched and tempered
Packaging:
1. Bundle packing
2. Beveled end or plain end or varnished as per buyer's required
3. Marking: as per customer's requests
4. Painting varnish coating on the pipe
5. Plastic caps at ends
Delivery lead time: with 15-30 days after full payment received
Our services: third party inspection accepted such as SGS, BV
Lead time 10-15 days | 80% of output for export
Shipping Information
FOB Port | Tianjin | ||||
---|---|---|---|---|---|
Weight per Unit | 1500.0 Kilograms | ||||
HTS Code | 7304.41.90 00 | ||||
Export Carton Dimensions L/W/H | 11.8 x 1.0 x 0.8 Meters |
Lead Time | 15-30 days | ||||
---|---|---|---|---|---|
Dimensions per Unit | 11.8 x 1.0 x 0.8 Meters | ||||
Units per Export Carton | 25.0 | ||||
Export Carton Weight | 1500.0 Kilograms |