A519 Mt4130/4135/4140 Mechanical and Atutomobile Precision Tube

Product Description

Standard: JIS G3445, ASTM A519, DIN 2391, EN 10305-1, EN 10297 etc.

Steel Grade:
STKM11A/12A/12B/12C/13A/13B/13C/14A/14B/14C/15A/15C/16A/16C/17A/17C/18A/18B/18C
S10C/S15C/S20C/S25C/S30C/S35C/S40C/S45C/S50C
ASTM A500 GR.A/GR.B/GR.C/GR.D
ASTM A519 MT1010/MT1015/MT1020/MT1030/MT1035/MT1040/MT1045/MT1050/MT4130/MT4140
SAE 1010/1015/1020/1025/1030/1035/1040/1045/1050/1541
DIN 2391-1 ST30SI/ST30A1/ST35/ST45/ST52,etc

Process: Cold Drawn, Cold Rolled, Hot rolled+Cold Drawn.

Surface: Black painted,oil coated, Smooth, Bright,etc.

Application:
The pipes are widely used for the auto/motorcycle/agricultural machine/railway project/low-high pressure boiler tubes/bearing tubes/ships manufacturing industries/oil and other high standards & demand processing & manufacturing industries.

Advantages:
1.20 + years of production experience at your service.
2. The fastest delivery
3. The lowest price
4. Most comprehensive standards and materials for your choice.
5.100% export.
6. Our products EXPORT to Africa, Oceania, mid east, eastern Asia, Western Europe etc.

DESIGNATION	SYMBOL	DESCRIPTION
Cold drawn(rolled)-Hard	+C/BK	No heat treatment after the final colddrawing.
Cold drawn(rolled)-Soft	+LC/BKW	After the final heat treatment,there is a suitable drawing pass.
Stress relieved after cold draw(rolled)	+SR/BKS	After the final cold drawing,there is a stress relief heat treatment in a controlled atmosphere.
Annealed	+A/GBK	After the final cold drawing,the tubes are annealed in a controlled atmosphere.
Normalized	+N/NBK	After the final cold drawing,in a controlled atmosphere.