China manufactures sae steel solid round bar 4140 bright finished

Steel Grade:

sae 4140 AS 4140

Standard:

AiSi, ASTM, bs, DIN, GB, JIS

Place of Origin:

Shandong, China

Brand Name:

Laiwu Le Ren

Model Number:

sae 4140

Technique:

Cold Drawn

Application:

Structural Steel Bar

Alloy Or Not:

Is Alloy

Special Use:

Cold Heading Steel

Type:

Alloy Steel Bar

Tolerance:

±1%

Grade:

4140

Dimensions:

12mm to 100mm

Heat treatment:

Hardened /Q&T / normalized /annealed

Certificate:

ISO9001

Delivery condition:

Cold drawn / turned and polished / peeled and polished

Sizes tolerance:

0.02mm

Shape:

Round

OEM:

Yes

Straightness:

0.2mm/m, 0.5mm/m

Roughness:

0.4um,0.6um